{"id":65295,"date":"2024-06-05T20:33:01","date_gmt":"2024-06-05T17:03:01","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/"},"modified":"2024-06-05T20:33:01","modified_gmt":"2024-06-05T17:03:01","slug":"php-doing-recursion-with-recursive-iteratoriterators-fj1","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/","title":{"rendered":"php: \u0627\u0646\u062c\u0627\u0645 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0627 iterator(iterator)\u0647\u0627\u06cc \u0628\u0627\u0632\u06af\u0634\u062a\u06cc"},"content":{"rendered":"<div data-article-id=\"1877292\" id=\"article-body\">\n<p>\u0628\u0627\u0632\u06af\u0634\u062a \u062f\u0631 \u0628\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u0634\u0647\u0631\u062a \u0628\u062f\u06cc \u062f\u0627\u0631\u062f.  \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0648 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u0633\u062a \u0648 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0622\u0646 \u062f\u0634\u0648\u0627\u0631 \u0627\u0633\u062a\u060c \u06cc\u06a9 \u062a\u0641\u0646\u06af \u067e\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc.  \u0627\u06cc\u0646 \u06a9\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0645\u062f\u0631\u0633\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u062f (\u0627\u06af\u0631 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0647 \u0645\u062f\u0631\u0633\u0647 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f) \u0648 \u0627\u06af\u0631 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f\u060c \u062f\u06cc\u06af\u0631 \u0647\u0631\u06af\u0632 \u0622\u0646 \u0631\u0627 \u0644\u0645\u0633 \u0646\u06a9\u0646\u06cc\u062f.  \u06a9\u0647 \u06cc\u06a9 \u06a9\u0634\u06cc\u062f\u0646 \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0632\u06cc\u0627\u062f\u06cc \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06af\u0634\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.  \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0628\u0627 \u0639\u0645\u0642 \u062f\u0644\u062e\u0648\u0627\u0647 \u0647\u0645\u0647 \u062c\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f: \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0641\u0627\u06cc\u0644\u060c \u062f\u0631\u062e\u062a\u0627\u0646 dom\u060c \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc json 32 \u06a9\u06cc\u0644\u0648\u0628\u0627\u06cc\u062a\u06cc \u06a9\u0647 \u0634\u0631\u06cc\u06a9 \u0627\u062f\u063a\u0627\u0645 \u0634\u0645\u0627 \u0628\u0647 \u062a\u0627\u0632\u06af\u06cc \u062f\u0631 api \u0634\u0645\u0627 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u067e\u0633\u062a \u0628\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062f\u0648 \u0648\u06cc\u0698\u06af\u06cc php \u0645\u06cc \u067e\u0631\u062f\u0627\u0632\u06cc\u0645 \u06a9\u0647 \u0628\u0647 \u0622\u0633\u0627\u0646 \u062a\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0627\u0632\u06af\u0634\u062a \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f: <code>RecursiveIterator<\/code> \u0631\u0627\u0628\u0637\u060c \u06a9\u0647 \u0631\u0648\u0634\u200c\u0647\u0627 \u0648 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u0645\u0627 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0646\u0648\u0634\u062a\u0646 \u062a\u0648\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0646\u0627\u0645\u200c\u0647\u0627\u06cc \u0648\u062d\u0634\u062a\u0646\u0627\u06a9\u06cc \u062f\u0627\u0631\u062f. <code>RecursiveIteratorIterator<\/code> \u06a9\u0644\u0627\u0633\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0635\u0627\u0641 \u06a9\u0631\u062f\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0639\u0645\u06cc\u0642 \u062f\u0644\u062e\u0648\u0627\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p><figure><figcaption>php \u0628\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646: \u067e\u0646\u062c \u0628\u0627\u0631 \u0633\u0631\u06cc\u0639 \u0628\u06af\u0648\u06cc\u06cc\u062f &#8216;iterator&#8217;<\/figcaption><\/figure>\n<\/p>\n<p>\u0645\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0633\u0627\u062e\u062a <code>RecursiveArrayIterator<\/code>\u060c \u0628\u0627 \u06cc\u06a9 \u062d\u0644\u0642\u0647 \u0633\u0627\u062f\u0647 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062a\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0645\u0644 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f.  \u0633\u067e\u0633 \u0645\u0627 \u0628\u0647 \u0686\u06af\u0648\u0646\u06af\u06cc \u0627\u0647\u0631\u0645 \u0646\u06af\u0627\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>RecursiveIteratorIterator<\/code> \u0628\u0631\u0627\u06cc \u0634\u06a9\u0633\u062a\u0646 \u0622\u0646 \u0622\u0631\u0627\u06cc\u0647 \u062a\u0648 \u062f\u0631 \u062a\u0648 \u062f\u0631 \u06cc\u06a9 \u0633\u0637\u062d \u0648\u0627\u062d\u062f \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0627 \u06cc\u06a9 \u062d\u0644\u0642\u0647 \u0633\u0627\u062f\u0647 \u06cc\u0627 \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062a\u0631\u060c \u0627\u0645\u0627 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u060c \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u0645. <code>iterator_apply<\/code>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" 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>\u0622\u0631\u0627\u06cc\u0647 \u0646\u0645\u0648\u0646\u0647 \u0645\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%B1%D8%A7_RecursiveIterator_%D8%B1%D8%A7%D8%A8%D8%B7\" >\u0631\u0627 RecursiveIterator \u0631\u0627\u0628\u0637<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%DB%8C%DA%A9_%D8%AD%D9%84%D9%82%D9%87_%D8%B3%D8%A7%D8%AF%D9%87_%D9%88_%D9%86%D9%87_%D8%AE%DB%8C%D9%84%DB%8C_%D9%85%D9%81%DB%8C%D8%AF_%D8%A8%D8%A7_RecursiveArrayIterator\" >\u06cc\u06a9 \u062d\u0644\u0642\u0647 \u0633\u0627\u062f\u0647 (\u0648 \u0646\u0647 \u062e\u06cc\u0644\u06cc \u0645\u0641\u06cc\u062f) \u0628\u0627 RecursiveArrayIterator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%83%D8%B1%D8%AF%D9%86_hasChildren\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0643\u0631\u062f\u0646 hasChildren<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D9%88%D9%82%D8%AA%DB%8C_%D8%A8%DA%86%D9%87_%D8%AF%D8%A7%D8%B1_%D8%B4%D8%AF%DB%8C%D9%85%D8%8C_%D9%85%DB%8C_%D8%AA%D9%88%D8%A7%D9%86%DB%8C%D9%85_getChildren\" >\u0648\u0642\u062a\u06cc \u0628\u0686\u0647 \u062f\u0627\u0631 \u0634\u062f\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 getChildren<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%AF%D8%B1_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%D8%B3%D8%A7%D8%AE%D8%AA_%DB%8C%DA%A9_%D8%AA%D8%A7%D8%A8%D8%B9_%D8%A8%D8%A7%D8%B2%DA%AF%D8%B4%D8%AA%DB%8C_%DA%A9%D9%87_%DA%A9%D9%84_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%85%D8%A7_%D8%B1%D8%A7_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF\" >\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a: \u0633\u0627\u062e\u062a \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u06a9\u0647 \u06a9\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%DB%8C%DA%A9_%D8%A7%D9%86%D8%A8%D8%A7%D8%B4%D8%AA%D9%87_%D8%A8%D9%87_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D9%85%D8%A7\" >\u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0627\u0646\u0628\u0627\u0634\u062a\u0647 \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%B3%D8%A7%D8%AE%D8%AA_%DB%8C%DA%A9_%D8%B1%D8%A7%D9%87_%D8%AD%D9%84_%D8%B9%D9%85%D9%88%D9%85%DB%8C_%D8%AA%D8%B1\" >\u0633\u0627\u062e\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u0639\u0645\u0648\u0645\u06cc \u062a\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%83%D8%B1%D8%AF%D9%86_RecursiveIteratorIterator_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%B5%D8%A7%D9%81_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0643\u0631\u062f\u0646 RecursiveIteratorIterator \u0628\u0631\u0627\u06cc \u0635\u0627\u0641 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/php-doing-recursion-with-recursive-iteratoriterators-fj1\/#%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%83%D8%B1%D8%AF%D9%86_iterator_apply_%D8%B1%D9%88%DB%8C_%D9%87%D9%85%D9%87_%D8%A7%DB%8C%D9%86_%DA%86%DB%8C%D8%B2%D9%87%D8%A7\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0643\u0631\u062f\u0646 iterator_apply \u0631\u0648\u06cc \u0647\u0645\u0647 \u0627\u06cc\u0646 \u0686\u06cc\u0632\u0647\u0627<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%86%D9%85%D9%88%D9%86%D9%87_%D9%85%D8%A7\"><\/span>\n<p>  \u0622\u0631\u0627\u06cc\u0647 \u0646\u0645\u0648\u0646\u0647 \u0645\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0647 \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627\u06cc \u0627\u06cc\u0646\u062c\u0627 \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647 \u0646\u0645\u0648\u0646\u0647 \u0632\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0622\u0644\u0628\u0648\u0645\u200c\u0647\u0627\u06cc \u0631\u06a9\u0648\u0631\u062f \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$albums<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span> \n    <span class=\"s1\">'first_name'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'grant'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'last_name'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'horwood'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'albums'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span>\n        <span class=\"p\">[<\/span>\n            <span class=\"s1\">'title'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'pottymouth'<\/span><span class=\"p\">,<\/span>\n            <span class=\"s1\">'artist'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'bratmobile'<\/span><span class=\"p\">,<\/span>\n            <span class=\"s1\">'year'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mi\">1993<\/span><span class=\"p\">,<\/span>\n        <span class=\"p\">],<\/span>  \n        <span class=\"p\">[<\/span>   \n            <span class=\"s1\">'title'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'monks music'<\/span><span class=\"p\">,<\/span>\n            <span class=\"s1\">'artist'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'monk, thelonious'<\/span><span class=\"p\">,<\/span>\n            <span class=\"s1\">'year'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mi\">1957<\/span><span class=\"p\">,<\/span>\n        <span class=\"p\">],<\/span>  \n    <span class=\"p\">],<\/span>  \n<span class=\"p\">];<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0634\u0627\u0645\u0644 \u0633\u0647 \u0639\u0646\u0635\u0631 \u0633\u0637\u062d \u0628\u0627\u0644\u0627 \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9\u06cc \u0627\u0632 \u0622\u0646\u0647\u0627 (<code>albums<\/code>) \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u0686\u06cc\u0632 \u062e\u0648\u0628\u06cc \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06af\u0634\u062a \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%B1%D8%A7_RecursiveIterator_%D8%B1%D8%A7%D8%A8%D8%B7\"><\/span>\n<p>  \u0631\u0627 <code>RecursiveIterator<\/code> \u0631\u0627\u0628\u0637<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062f\u0648 \u0686\u06cc\u0632 \u0627\u0635\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0646 \u0628\u062f\u0627\u0646\u06cc\u0645 <code>RecursiveIterator<\/code> \u0631\u0627\u0628\u0637:<\/p>\n<ol>\n<li>\n<strong>\u0627\u06cc\u0646 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0627\u0633\u062a:<\/strong> <code>RecursiveIterator<\/code>  \u062f\u0631 \u0648\u0627\u0642\u0639 \u0628\u0647 \u062e\u0648\u062f\u06cc \u062e\u0648\u062f \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0646\u0645\u06cc \u062f\u0647\u062f\u060c \u0641\u0642\u0637 \u06cc\u06a9 \u0631\u0627\u0628\u0637 \u0627\u0633\u062a \u06a9\u0647 \u0631\u0641\u062a\u0627\u0631 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06af\u0631 \u0686\u06cc\u0632\u06cc \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645\u060c \u200b\u200b\u0628\u0627\u06cc\u062f \u0628\u0647 \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u0646\u062f \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645 <code>RecursiveIterator<\/code>;  \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f <code>RecursiveArrayIterator<\/code> (\u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627) \u0648 <code>RecursiveDirectoryIterator<\/code> (\u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0641\u0627\u06cc\u0644 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627).<\/li>\n<li>\n<strong>\u062f\u0631 \u0648\u0627\u0642\u0639 \u0647\u06cc\u0686 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0627\u0646\u062c\u0627\u0645 \u0646\u0645\u06cc \u062f\u0647\u062f:<\/strong> \u06a9\u0644\u0627\u0633 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f <code>RecursiveIterator<\/code> \u0628\u0631\u0627\u06cc \u0645\u0627 \u0628\u0627\u0632\u06af\u0634\u062a \u0627\u0646\u062c\u0627\u0645 \u0646\u062f\u0647  \u06a9\u0627\u0631\u06cc \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0645\u06a9 \u0628\u0647 \u0645\u0627 \u062f\u0631 \u0627\u06cc\u062c\u0627\u062f \u0622\u0633\u0627\u0646 \u062a\u0648\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062e\u0648\u062f \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/li>\n<\/ol>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0646\u0627\u0627\u0645\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0628\u0631\u0633\u062f\u060c \u0627\u0645\u0627 \u0646\u0628\u0627\u06cc\u062f \u0627\u06cc\u0646\u0637\u0648\u0631 \u0628\u0627\u0634\u062f: \u0622\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u06a9\u0647 <code>RecursiveIterator<\/code> \u0627\u0631\u0627\u0626\u0647 \u0645\u0641\u06cc\u062f \u0647\u0633\u062a\u0646\u062f.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0633\u0647 \u0645\u0648\u0631\u062f \u0627\u0632 \u0622\u0646\u0647\u0627 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<ul>\n<li>\n<p><strong><code>hasChildren()<\/code>:<\/strong> \u06cc\u06a9 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0639\u0645\u0642 \u062f\u0644\u062e\u0648\u0627\u0647\u060c \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u062e\u0648\u062f \u0622\u0631\u0627\u06cc\u0647 \u0647\u0633\u062a\u0646\u062f.  \u0631\u0627 <code>hasChildren<\/code> \u0631\u0648\u0634 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u0642\u062f\u0627\u0631 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0645\u0627 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a \u06cc\u0627 \u062e\u06cc\u0631.  \u0645\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0628\u0647 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062e\u0648\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u062a\u0627 \u0639\u0645\u0644\u0627\u064b \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u062f.  \u06cc\u06a9 \u0628\u0648\u0644\u06cc \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong><code>getChildren()<\/code>:<\/strong> \u0627\u06af\u0631 <code>hasChildren<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>true<\/code> \u062f\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0627 \u0627\u0631\u0632\u0634 \u0641\u0639\u0644\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0686\u06cc\u0632\u06cc \u0628\u0631\u0627\u06cc \u062a\u06a9\u0631\u0627\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.  \u0627\u06cc\u0646 \u0686\u06cc\u0632\u06cc \u0627\u0633\u062a \u06a9\u0647 <code>getChildren<\/code> \u0645\u06cc\u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0645\u06a9\u0627\u0646 \u0646\u0645\u0627:<\/strong> \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u0627 \u0631\u0648\u06cc \u062e\u0648\u062f \u062d\u0644\u0642\u0647 \u0645\u06cc \u0632\u0646\u06cc\u0645 <code>RecursiveIterator<\/code>\u060c \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u062f\u0627\u062e\u0644\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06a9\u0627\u0646 \u0645\u0627 \u0631\u0627 \u062f\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0631\u062f\u06cc\u0627\u0628\u06cc \u0645\u06cc \u06a9\u0646\u062f.  \u0627\u06cc\u0646 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0645\u062a\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f <code>hasChildren<\/code> \u0628\u0631\u0627\u06cc \u0639\u0646\u0635\u0631 \u0641\u0639\u0644\u06cc  \u0627\u06cc\u0646 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a<\/p>\n<\/li>\n<\/ul>\n<p>\u0627\u06af\u0631 \u0641\u0648\u0631\u0627\u064b \u0645\u0646\u0637\u0642\u06cc \u0646\u0628\u0648\u062f\u060c \u0646\u06af\u0631\u0627\u0646 \u0646\u0628\u0627\u0634\u06cc\u062f.  \u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u0628\u0647 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0628\u0627 \u0622\u0646 \u0628\u067e\u0631\u062f\u0627\u0632\u06cc\u0645 <code>RecursiveIterator<\/code> \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645\u060c \u0628\u0627 \u06cc\u06a9 \u062d\u0644\u0642\u0647 \u0646\u0647 \u0686\u0646\u062f\u0627\u0646 \u0645\u0641\u06cc\u062f \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%DB%8C%DA%A9_%D8%AD%D9%84%D9%82%D9%87_%D8%B3%D8%A7%D8%AF%D9%87_%D9%88_%D9%86%D9%87_%D8%AE%DB%8C%D9%84%DB%8C_%D9%85%D9%81%DB%8C%D8%AF_%D8%A8%D8%A7_RecursiveArrayIterator\"><\/span>\n<p>  \u06cc\u06a9 \u062d\u0644\u0642\u0647 \u0633\u0627\u062f\u0647 (\u0648 \u0646\u0647 \u062e\u06cc\u0644\u06cc \u0645\u0641\u06cc\u062f) \u0628\u0627 <code>RecursiveArrayIterator<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0632\u06cc\u0631\u0627 <code>RecursiveArrayIterator<\/code> \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u062f\u0631 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>foreach<\/code> \u062d\u0644\u0642\u0647  \u0628\u06cc\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627 \u062f\u0647\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"o\">@<\/span><span class=\"k\">print<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$k<\/span><span class=\"s2\"> =&gt; <\/span><span class=\"nv\">$v<\/span><span class=\"s2\">\"<\/span><span class=\"mf\">.<\/span><span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a: \u0645\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u062c\u062f\u06cc\u062f \u0627\u0632 <code>RecursiveArrayIterator<\/code> \u0628\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0627 \u0648 \u0633\u067e\u0633 \u06cc\u06a9 <code>foreach<\/code>\u060c \u0686\u0627\u067e \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631.  \u0646\u062a\u0627\u06cc\u062c \u0636\u0639\u06cc\u0641 \u0647\u0633\u062a\u0646\u062f<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>first_name =&gt; grant\nlast_name =&gt; horwood\nalbums =&gt; Array\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u06cc\u06a9 \u0631\u0641\u062a\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u0645\u0633\u062a\u0642\u06cc\u0645 \u0627\u0633\u062a.  \u062d\u0644\u0642\u0647 \u0645\u0627 \u0628\u0647 \u0633\u0637\u062d \u0628\u0627\u0644\u0627\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0631\u0641\u062a \u0648 \u062a\u0645\u0627\u0645.  \u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639 \u0633\u0627\u062e\u062a\u0646 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u06a9\u0647 \u0622\u0646\u0686\u0647 \u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f\u060c \u0628\u0627\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>RecursiveIterator<\/code>&#8216;s <code>hasChildren<\/code> \u0648 <code>getChildren<\/code> \u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634 \u0647\u0627.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%83%D8%B1%D8%AF%D9%86_hasChildren\"><\/span>\n<p>  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0643\u0631\u062f\u0646 <code>hasChildren<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0622\u0646 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u0647\u062f\u0641 \u0627\u0632 <code>hasChildren<\/code> \u062a\u0639\u06cc\u06cc\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u0645\u0642\u062f\u0627\u0631 \u0641\u0639\u0644\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0628\u0633\u0627\u0632\u062f \u06cc\u0627 \u062e\u06cc\u0631.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code>hasChildren<\/code> \u0628\u0647 \u062d\u0644\u0642\u0647 \u0646\u0627\u0627\u0645\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u0645\u0627<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">print<\/span> <span class=\"nv\">$k<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">hasChildren<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">print<\/span> <span class=\"s2\">\" has children\"<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">print<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u0642\u062f\u0627\u0631 \u0639\u0646\u0635\u0631 \u0641\u0639\u0644\u06cc \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644.  \u062f\u0627\u0631\u0627\u06cc \u062a\u0639\u062f\u0627\u062f\u06cc \u0639\u0646\u0635\u0631 \u00ab\u06a9\u0648\u062f\u06a9\u00bb \u0627\u0633\u062a \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u0648\u062c\u0648\u062f\u060c \u00ab\u0641\u0631\u0632\u0646\u062f \u062f\u0627\u0631\u062f\u00bb \u0631\u0627 \u0686\u0627\u067e \u06a9\u0646\u06cc\u062f.  \u062e\u0631\u0648\u062c\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>first_name\nlast_name\nalbums has children\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<p>\u2139\ufe0f <strong>\u0646\u06a9\u062a\u0647 \u0645\u0647\u0645 \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627:<\/strong> \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0631\u0648\u0634 \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>hasChildren<\/code> \u0628\u0631 <code>$rai<\/code>\u060c <code>RecursiveArrayIterator<\/code> \u062e\u0648\u062f \u0634\u06cc  \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645 \u0632\u06cc\u0631\u0627 <code>RecursiveArrayIterator<\/code> \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u062f\u0627\u062e\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0635\u0631 \u0641\u0639\u0644\u06cc \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062d\u0644\u0642\u0647 \u0632\u062f\u0646 \u0622\u0646 \u0647\u0633\u062a\u06cc\u0645 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f.  \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0645\u0627 \u062d\u0644\u0642\u0647 \u0645\u06cc \u0632\u0646\u06cc\u0645\u060c \u0627\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0628\u0647 \u0639\u0646\u0635\u0631 \u0628\u0639\u062f\u06cc \u067e\u06cc\u0634 \u0645\u06cc \u0631\u0648\u062f \u0628\u0647 \u0637\u0648\u0631\u06cc \u06a9\u0647 \u0648\u0642\u062a\u06cc \u0645\u062a\u062f\u0647\u0627 \u0631\u0627 \u0631\u0648\u06cc \u0634\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0647\u0645\u06cc\u0634\u0647 \u0628\u0631\u0627\u06cc \u0639\u0646\u0635\u0631\u06cc \u0628\u0627\u0634\u062f \u06a9\u0647 \u0631\u0648\u06cc \u0622\u0646 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<hr\/>\n<h2><span class=\"ez-toc-section\" id=\"%D9%88%D9%82%D8%AA%DB%8C_%D8%A8%DA%86%D9%87_%D8%AF%D8%A7%D8%B1_%D8%B4%D8%AF%DB%8C%D9%85%D8%8C_%D9%85%DB%8C_%D8%AA%D9%88%D8%A7%D9%86%DB%8C%D9%85_getChildren\"><\/span>\n<p>  \u0648\u0642\u062a\u06cc \u0628\u0686\u0647 \u062f\u0627\u0631 \u0634\u062f\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 <code>getChildren<\/code><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062d\u0627\u0644\u0627 \u06a9\u0647 \u0645\u06cc \u062f\u0627\u0646\u06cc\u0645 <code>albums<\/code> \u0628\u0686\u0647 \u062f\u0627\u0631\u062f\u060c \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u062c\u062f\u06cc\u062f \u0628\u06af\u06cc\u0631\u06cc\u0645 <code>RecursiveArrayIterator<\/code> \u0634\u06cc \u0628\u0631\u0627\u06cc \u0622\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0627 <code>getChildren<\/code> \u0648 \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f.  \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">print<\/span> <span class=\"nv\">$k<\/span><span class=\"mf\">.<\/span><span class=\"s2\">\" =&gt; \"<\/span><span class=\"p\">;<\/span>\n    <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">hasChildren<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nv\">$rai2<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getChildren<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai2<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k2<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v2<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"o\">@<\/span><span class=\"k\">print<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"mf\">.<\/span><span class=\"s2\">\"  <\/span><span class=\"nv\">$k2<\/span><span class=\"s2\"> =&gt; <\/span><span class=\"nv\">$v2<\/span><span class=\"s2\">\"<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">print<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n    <span class=\"k\">print<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u062a\u063a\u06cc\u06cc\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc <code>hasChildren<\/code> \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f <code>true<\/code>\u060c \u0645\u0627 \u06cc\u06a9 \u062c\u062f\u06cc\u062f \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>RecursiveArrayIterator<\/code> \u0634\u06cc\u0621 \u0628\u0631\u0627\u06cc \u0622\u0646 \u06a9\u0648\u062f\u06a9\u0627\u0646 \u0628\u0627 <code>getChildren<\/code> \u0648 \u0633\u067e\u0633 \u0631\u0648\u06cc \u0622\u0646 \u062d\u0644\u0642\u0647 \u0628\u0632\u0646\u06cc\u062f.  \u062e\u0631\u0648\u062c\u06cc \u0627\u06cc\u0646 \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>first_name =&gt; grant\nlast_name =&gt; horwood\nalbums =&gt; \n  0 =&gt; Array\n  1 =&gt; Array\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0645\u0627 \u0647\u0645\u0647 \u0627\u0628\u0632\u0627\u0631\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u06a9\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AF%D8%B1_%D9%86%D9%87%D8%A7%DB%8C%D8%AA_%D8%B3%D8%A7%D8%AE%D8%AA_%DB%8C%DA%A9_%D8%AA%D8%A7%D8%A8%D8%B9_%D8%A8%D8%A7%D8%B2%DA%AF%D8%B4%D8%AA%DB%8C_%DA%A9%D9%87_%DA%A9%D9%84_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%85%D8%A7_%D8%B1%D8%A7_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF\"><\/span>\n<p>  \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a: \u0633\u0627\u062e\u062a \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u06a9\u0647 \u06a9\u0644 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0631\u062a\u0642\u0627\u0621 \u062d\u0644\u0642\u0647 \u0645\u0627 \u0628\u0647 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0627\u06a9\u0646\u0648\u0646 \u0641\u0642\u0637 \u0628\u0647 \u0627\u0646\u062c\u0627\u0645 \u062f\u0648 \u06a9\u0627\u0631 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f:<\/p>\n<ol>\n<li>\u062d\u0644\u0642\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f<\/li>\n<li>\u062a\u0627\u0628\u0639 \u0645\u0627 \u062e\u0648\u062f\u0634 \u0631\u0627 \u0648\u0642\u062a\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0646\u062f <code>hasChildren<\/code> \u0628\u0631\u06af\u0634\u062a <code>true<\/code>\n<\/li>\n<\/ol>\n<p>\u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u06a9\u0644\u0645\u0647 \u0647\u0645\u06cc\u0646 \u0627\u0633\u062a.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"k\">function<\/span> <span class=\"n\">recurse<\/span><span class=\"p\">(<\/span><span class=\"kt\">RecursiveArrayIterator<\/span> <span class=\"nv\">$rai<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">hasChildren<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nf\">recurse<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getChildren<\/span><span class=\"p\">());<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">print<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$k<\/span><span class=\"s2\"> =&gt; <\/span><span class=\"nv\">$v<\/span><span class=\"s2\">\"<\/span><span class=\"mf\">.<\/span><span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"c1\">\/\/ call our recursive function<\/span>\n<span class=\"nf\">recurse<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062a\u0627\u0628\u0639 \u0645\u0627 \u06cc\u06a9 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0631\u0627 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f\u060c a <code>RecursiveArrayIterator<\/code> \u0647\u062f\u0641 &#8211; \u0634\u06cc.  \u0648\u0642\u062a\u06cc \u0622\u0646 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0631\u0648\u06cc \u0633\u0637\u062d \u0628\u0627\u0644\u0627\u06cc \u0622\u0646 \u0622\u0631\u0627\u06cc\u0647 \u062d\u0644\u0642\u0647 \u0645\u06cc \u0632\u0646\u062f \u0648 \u062c\u0641\u062a \u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\/\u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0686\u0627\u067e \u0645\u06cc \u06a9\u0646\u062f.  \u0648\u0642\u062a\u06cc \u0628\u0627 \u0645\u0642\u062f\u0627\u0631\u06cc \u0645\u0648\u0627\u062c\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 <code>hasChildren<\/code>\u060c \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u0628\u0627 <code>getChildren<\/code> \u0648 \u0633\u067e\u0633 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u0622\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062c\u062f\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0631 \u0633\u0637\u062d \u0628\u0639\u062f\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 \u067e\u0627\u06cc\u06cc\u0646 \u062d\u0644\u0642\u0647 \u0645\u06cc \u0632\u0646\u062f.  \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u0627\u062f\u0627\u0645\u0647 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f \u06a9\u0647 \u062d\u0644\u0642\u0647 \u0627\u0648\u0644 \u0641\u0627\u0642\u062f \u0639\u0646\u0627\u0635\u0631 \u0628\u0627\u0634\u062f.<\/p>\n<p>\u062e\u0631\u0648\u062c\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u0634\u06a9\u0644 \u0627\u0633\u062a<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>first_name =&gt; grant\nlast_name =&gt; horwood\ntitle =&gt; pottymouth\nartist =&gt; bratmobile\nyear =&gt; 1993\ntitle =&gt; monks music\nartist =&gt; monk, thelonious\nyear =&gt; 1957\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u0686\u06cc\u0632 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a  \u0628\u0647 \u062c\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u0627 \u0633\u0627\u062e\u062a\u0627\u0631 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0648\u062f \u0631\u0627 \u0627\u0632 \u062f\u0633\u062a \u062f\u0627\u062f\u0647 \u0627\u06cc\u0645.  \u0628\u0647 \u06cc\u06a9 \u0633\u0637\u062d &#8220;\u0645\u0633\u0637\u062d&#8221; \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u0644\u0628\u062a\u0647\u060c \u0627\u06cc\u0646 \u0647\u0646\u0648\u0632 \u0647\u0645 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f.  \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0632\u0628\u0627\u0646\u200c\u0647\u0627 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u00abFlattening\u00bb \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u062f\u0627\u0631\u0646\u062f (\u0645\u0646 \u0645\u0642\u06cc\u0627\u0633\u200c\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0645\u06cc\u200c\u0646\u0648\u06cc\u0633\u0645 \u0648 \u200b\u200b\u0627\u0632 <code>flatten<\/code> \u0631\u0648\u0634 \u0647\u0645\u06cc\u0634\u0647).<\/p>\n<p>\u0627\u0645\u0627 \u0634\u0627\u06cc\u062f \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 \u0631\u0627 \u062d\u0641\u0638 \u06a9\u0646\u06cc\u0645.  \u0628\u0631\u0627\u06cc \u0622\u0646 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u0627\u0646\u0628\u0627\u0634\u062a\u0647 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<p><figure><img decoding=\"async\" src=\"https:\/\/res.cloudinary.com\/practicaldev\/image\/fetch\/s--E_6yioHU--\/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_800\/https:\/\/gbh.fruitbat.io\/wp-content\/uploads\/2024\/05\/meme_recursion.png%2C\" title=\"the moe throwing barney out of the bar meme\" alt=\"\" loading=\"lazy\" width=\"800\" height=\"237\"><figcaption>\u06cc\u06a9 \u0628\u0627\u0632\u06af\u0634\u062a \u0645\u0648\u0641\u0642<\/figcaption><\/figure>\n<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B6%D8%A7%D9%81%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_%DB%8C%DA%A9_%D8%A7%D9%86%D8%A8%D8%A7%D8%B4%D8%AA%D9%87_%D8%A8%D9%87_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D9%85%D8%A7\"><\/span>\n<p>  \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0627\u0646\u0628\u0627\u0634\u062a\u0647 \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0645\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0632 \u0646\u0627\u0645 \u0622\u0646 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u0627\u0646\u0628\u0627\u0634\u062a\u06af\u0631 \u0645\u062a\u063a\u06cc\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0646\u062a\u0627\u06cc\u062c \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u062d\u06cc\u0646 \u0627\u062c\u0631\u0627 \u062c\u0645\u0639 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0648\u0642\u062a\u06cc \u0628\u0627\u0632\u06af\u0634\u062a \u0645\u0627 \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u060c \u0622\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u06cc\u0645.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9\u06cc \u0631\u0627 \u0628\u0647 \u062a\u0627\u0628\u0639 \u0645\u0648\u062c\u0648\u062f \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"k\">function<\/span> <span class=\"n\">recurse<\/span><span class=\"p\">(<\/span><span class=\"kt\">RecursiveArrayIterator<\/span> <span class=\"nv\">$rai<\/span><span class=\"p\">,<\/span> <span class=\"kt\">Array<\/span> <span class=\"nv\">$accumlator<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">hasChildren<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/ add the return of our next call to recurse to our accumulator<\/span>\n            <span class=\"nv\">$accumlator<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">recurse<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getChildren<\/span><span class=\"p\">(),<\/span> <span class=\"p\">[]);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/ add the key\/value pair to the accumulator<\/span>\n            <span class=\"nv\">$accumlator<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"nv\">$accumlator<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"c1\">\/\/ call our recursive function with an empty accumulator<\/span>\n<span class=\"nv\">$accumlator<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">recurse<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"p\">,<\/span> <span class=\"p\">[]);<\/span>\n\n<span class=\"c1\">\/\/ see the results<\/span>\n<span class=\"nb\">print_r<\/span><span class=\"p\">(<\/span><span class=\"nv\">$accumlator<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0627\u0646\u0628\u0627\u0634\u062a\u06af\u0631 \u0645\u0627 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0627\u0633\u062a.  \u0648\u0642\u062a\u06cc \u062a\u0645\u0627\u0633 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u0645 \u0627\u0632 \u06cc\u06a9 \u062e\u0627\u0644\u06cc \u0639\u0628\u0648\u0631 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>recurse<\/code>\u0648 \u062f\u0631 \u0628\u062f\u0646\u0647 \u062a\u0627\u0628\u0639 \u062e\u0648\u062f \u0628\u0647 \u062c\u0627\u06cc \u0686\u0627\u067e \u062c\u0641\u062a \u06a9\u0644\u06cc\u062f\/\u0645\u0642\u062f\u0627\u0631 \u062e\u0648\u062f\u060c \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0627\u0646\u0628\u0627\u0634\u062a\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645.  \u0648\u0642\u062a\u06cc \u062a\u0627\u0628\u0639 \u0645\u0627 \u062e\u0627\u062a\u0645\u0647 \u0645\u06cc \u06cc\u0627\u0628\u062f\u060c \u0627\u0646\u0628\u0627\u0634\u062a \u06a9\u0646\u0646\u062f\u0647 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0628\u0627 \u0646\u06af\u0627\u0647 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc\u060c \u0645\u062a\u0648\u062c\u0647 \u0645\u06cc \u0634\u0648\u06cc\u0645 \u06a9\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u062d\u0641\u0638 \u0634\u062f\u0647 \u0627\u0633\u062a.  \u062f\u0631 \u0648\u0627\u0642\u0639\u060c \u0627\u06cc\u0646 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0642\u06cc\u0642\u0627\u064b \u0647\u0645\u0627\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0627\u0628\u0639 \u062e\u0648\u062f \u0627\u0631\u0633\u0627\u0644 \u06a9\u0631\u062f\u06cc\u0645.  \u0645\u0648\u0641\u0642\u06cc\u062a  \u0646\u0648\u0639.<\/p>\n<p>\u0633\u0627\u062e\u062a\u0646 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0647\u0645\u0627\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0631\u0627 \u06a9\u0647 \u0627\u0631\u0633\u0627\u0644 \u0634\u062f\u0647 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f\u060c \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u06a9\u0627\u0645\u0644\u0627\u064b \u067e\u06cc\u0634\u06af\u0627\u0645\u0627\u0646\u0647 \u0646\u06cc\u0633\u062a.  \u06a9\u0627\u0631\u06cc \u06a9\u0647 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0627 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u062e\u0648\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0622\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u062a\u0628\u062f\u06cc\u0644 \u06cc\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645.<\/p>\n<p>\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u0645\u060c \u0627\u0644\u0628\u062a\u0647\u060c \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u062f \u0628\u0647 \u062e\u0637\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0645\u0642\u062f\u0627\u0631\u06cc \u0631\u0627 \u0628\u0647 \u0627\u0646\u0628\u0627\u0634\u062a\u0647 \u0627\u062e\u062a\u0635\u0627\u0635 \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u062a\u0645\u0627\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0632\u0631\u06af \u06a9\u0646\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code>strtoupper<\/code> \u0645\u0627\u0646\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$accumlator<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">strtoupper<\/span><span class=\"p\">(<\/span><span class=\"nv\">$v<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u06cc\u0627 \u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0633\u062a\u06cc\u0645 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u0645 <code>year<\/code> \u0639\u0646\u0635\u0631\u06cc \u0627\u0632 \u0647\u0631 \u0622\u0644\u0628\u0648\u0645\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$k<\/span> <span class=\"o\">!=<\/span> <span class=\"s1\">'year'<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nv\">$accumlator<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u06cc\u06a9 \u06a9\u0627\u0631 \u0645\u0641\u06cc\u062f \u0647\u0633\u062a\u06cc\u0645!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%B3%D8%A7%D8%AE%D8%AA_%DB%8C%DA%A9_%D8%B1%D8%A7%D9%87_%D8%AD%D9%84_%D8%B9%D9%85%D9%88%D9%85%DB%8C_%D8%AA%D8%B1\"><\/span>\n<p>  \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u0639\u0645\u0648\u0645\u06cc \u062a\u0631<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06a9\u0644 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0648\u062f \u0631\u0627 \u0637\u06cc \u06a9\u0646\u06cc\u0645 \u0648 \u0641\u06cc\u0644\u062a\u0631\u0647\u0627 \u06cc\u0627 \u062a\u0628\u062f\u06cc\u0644\u200c\u0647\u0627\u06cc \u062f\u0644\u062e\u0648\u0627\u0647 \u062e\u0648\u062f \u0631\u0627 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645.  \u0627\u06cc\u0646 \u062e\u0648\u0628 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u06af\u0631 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0639\u0645\u0648\u0645\u06cc \u0628\u0646\u0648\u06cc\u0633\u06cc\u0645 \u06a9\u0647 \u0641\u06cc\u0644\u062a\u0631\u0647\u0627 \u0648 \u062a\u0628\u062f\u06cc\u0644\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f\u060c \u0628\u0633\u06cc\u0627\u0631 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a.  \u0628\u06cc\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627 \u062f\u0647\u06cc\u0645.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"cd\">\/**\n * Traverse the array applying $filter to each key and $transformer to each value\n *\n * @param  RecursiveArrayIterator $rai\n * @param  Array $accumlator\n * @param  callable $filter\n * @param  callable $transformer\n * @return array\n *\/<\/span>\n<span class=\"k\">function<\/span> <span class=\"n\">recurse<\/span><span class=\"p\">(<\/span><span class=\"kt\">RecursiveArrayIterator<\/span> <span class=\"nv\">$rai<\/span><span class=\"p\">,<\/span> <span class=\"kt\">Array<\/span> <span class=\"nv\">$accumlator<\/span><span class=\"p\">,<\/span> <span class=\"kt\">callable<\/span> <span class=\"nv\">$filter<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">,<\/span> <span class=\"kt\">callable<\/span> <span class=\"nv\">$transformer<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">):<\/span> <span class=\"kt\">Array<\/span> <span class=\"p\">{<\/span>\n\n    <span class=\"c1\">\/\/ a default filter that removes nothing<\/span>\n    <span class=\"nv\">$filter<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$filter<\/span> <span class=\"o\">??<\/span> <span class=\"k\">fn<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"c1\">\/\/ a default transformer that changes nothing<\/span>\n    <span class=\"nv\">$transformer<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$transformer<\/span> <span class=\"o\">??<\/span> <span class=\"k\">fn<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$n<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">hasChildren<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nv\">$accumlator<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">recurse<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getChildren<\/span><span class=\"p\">(),<\/span> <span class=\"p\">[],<\/span> <span class=\"nv\">$filter<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$transformer<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/ test the filter and apply the transformer<\/span>\n            <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filter<\/span><span class=\"p\">(<\/span><span class=\"nv\">$k<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n                <span class=\"nv\">$accumlator<\/span><span class=\"p\">[<\/span><span class=\"nv\">$k<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$transformer<\/span><span class=\"p\">(<\/span><span class=\"nv\">$v<\/span><span class=\"p\">);<\/span>\n            <span class=\"p\">}<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"nv\">$accumlator<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"c1\">\/\/ filter to apply to each key. remove elements with key 'year'<\/span>\n<span class=\"nv\">$filter<\/span> <span class=\"o\">=<\/span> <span class=\"k\">fn<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$n<\/span> <span class=\"o\">!=<\/span> <span class=\"s1\">'year'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"c1\">\/\/ transformer to apply to each value. apply uppercase to all values<\/span>\n<span class=\"nv\">$transformer<\/span> <span class=\"o\">=<\/span> <span class=\"k\">fn<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nb\">strtoupper<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">);<\/span>\n\n<span class=\"c1\">\/\/ call our recursive function with an empty accumulator<\/span>\n<span class=\"nv\">$accumlator<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">recurse<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"p\">,<\/span> <span class=\"p\">[],<\/span> <span class=\"nv\">$filter<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$transformer<\/span><span class=\"p\">);<\/span>\n\n<span class=\"c1\">\/\/ see the results<\/span>\n<span class=\"nb\">print_r<\/span><span class=\"p\">(<\/span><span class=\"nv\">$accumlator<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062c\u062f\u06cc\u062f \u0628\u0647 \u062a\u0627\u0628\u0639 \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645:<\/p>\n<ul>\n<li>\n<strong><code>$filter<\/code>:<\/strong> \u0627\u06cc\u0646 \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0644\u06cc\u062f \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f.  \u06cc\u06a9 \u062a\u0633\u062a \u0631\u0648\u06cc \u06a9\u0644\u06cc\u062f \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0648 \u06cc\u06a9 Boolean \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.  \u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627\u060c \u0645\u0627 \u062a\u0633\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a <code>year<\/code> \u0648 \u0628\u0631\u06af\u0634\u062a <code>false<\/code> \u0627\u06af\u0631 \u0628\u0627\u0634\u062f.  \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0648 \u0641\u0642\u0637 \u0639\u0646\u0627\u0635\u0631\u06cc \u06a9\u0647 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0646\u062f \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f <code>true<\/code> \u0628\u0647 \u0622\u06a9\u0648\u0645\u0648\u0644\u0627\u062a\u0648\u0631 \u0645\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f.<\/li>\n<li>\n<strong><code>$transformer<\/code>:<\/strong> \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0639\u0646\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc \u067e\u0630\u06cc\u0631\u062f \u0648 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0622\u0646 \u0645\u0642\u062f\u0627\u0631 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f.  \u062f\u0631 \u0645\u062b\u0627\u0644\u060c \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0627 \u062d\u0631\u0648\u0641 \u0628\u0632\u0631\u06af \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>strtoupper<\/code>.  \u0648\u0642\u062a\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0645\u062b\u0627\u0644 \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u0645\u060c \u0645\u0642\u062f\u0627\u0631 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u0627\u0646\u0628\u0627\u0634\u062a\u06af\u0631 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u0634\u0648\u062f\u060c \u0627\u06cc\u0646 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645:\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"k\">Array<\/span>\n<span class=\"p\">(<\/span>\n    <span class=\"p\">[<\/span><span class=\"n\">first_name<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">GRANT<\/span>\n    <span class=\"p\">[<\/span><span class=\"n\">last_name<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">HORWOOD<\/span>\n    <span class=\"p\">[<\/span><span class=\"n\">albums<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">Array<\/span>\n        <span class=\"p\">(<\/span>\n            <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">Array<\/span>\n                <span class=\"p\">(<\/span>\n                    <span class=\"p\">[<\/span><span class=\"n\">title<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">POTTYMOUTH<\/span>\n                    <span class=\"p\">[<\/span><span class=\"n\">artist<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">BRATMOBILE<\/span>\n                <span class=\"p\">)<\/span>\n            <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">Array<\/span>\n                <span class=\"p\">(<\/span>\n                    <span class=\"p\">[<\/span><span class=\"n\">title<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">MONKS<\/span> <span class=\"no\">MUSIC<\/span>\n                    <span class=\"p\">[<\/span><span class=\"n\">artist<\/span><span class=\"p\">]<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"no\">MONK<\/span><span class=\"p\">,<\/span> <span class=\"no\">THELONIOUS<\/span>\n                <span class=\"p\">)<\/span>\n        <span class=\"p\">)<\/span>\n<span class=\"p\">)<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062a\u0645\u0627\u0645 \u0639\u0646\u0627\u0635\u0631 \u06a9\u0644\u06cc\u062f \u0634\u062f\u0647 \u0628\u0627 <code>year<\/code> \u062d\u0630\u0641 \u0634\u062f\u0647 \u0627\u0646\u062f \u0648 <code>strtoupper<\/code> \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0639\u0645\u0627\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a.  \u062f\u0642\u06cc\u0642\u0627 \u0647\u0645\u0627\u0646 \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0645\u0627 \u062e\u0648\u0627\u0633\u062a\u0647 \u0627\u06cc\u0645<\/p>\n<p>\u0627\u06af\u0631 \u0628\u06af\u0630\u0631\u06cc\u0645 <code>null<\/code>\u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0648 \u0627\u0633\u062a <code>$filter<\/code> \u06cc\u0627 <code>$transformer<\/code>\u060c \u0627\u0632 \u0641\u0631\u0627\u062e\u0648\u0627\u0646 \u0647\u0627\u06cc \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f: \u0628\u062f\u0648\u0646 \u0641\u06cc\u0644\u062a\u0631\u060c \u0628\u062f\u0648\u0646 \u062a\u0628\u062f\u06cc\u0644.<\/p>\n<p>\u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f.  \u0645\u062f\u062a\u200c\u0647\u0627 \u067e\u06cc\u0634\u060c \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0631\u0648\u0632\u0627\u0646\u0647\u060c \u0628\u0633\u062a\u0647\u200c\u0627\u06cc \u0646\u0648\u0634\u062a\u0645 \u062a\u0627 \u0631\u0645\u0632\u0647\u0627\u06cc \u0639\u0628\u0648\u0631 \u0648 \u0645\u0648\u0627\u0631\u062f\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0642\u0628\u06cc\u0644 \u0631\u0627 \u0627\u0632 json \u062e\u0648\u062f\u0633\u0631\u0627\u0646\u0647 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u06a9\u0646\u0645 \u062a\u0627 \u0622\u0646 \u0686\u06cc\u0632\u0647\u0627\u06cc \u0647\u06a9\u0631 \u0631\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc \u0644\u0627\u06af \u062e\u0648\u062f \u0630\u062e\u06cc\u0631\u0647 \u0646\u06a9\u0646\u06cc\u0645.  \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0627 \u0641\u06cc\u0644\u062a\u0631\u0647\u0627 \u0648 \u062a\u0631\u0627\u0646\u0633\u0641\u0648\u0631\u0645\u0627\u062a\u0648\u0631\u0647\u0627 \u0631\u0627\u0647 \u062d\u0644 \u0628\u0648\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%83%D8%B1%D8%AF%D9%86_RecursiveIteratorIterator_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%B5%D8%A7%D9%81_%DA%A9%D8%B1%D8%AF%D9%86_%D8%A2%D8%B1%D8%A7%DB%8C%D9%87_%D9%87%D8%A7\"><\/span>\n<p>  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0643\u0631\u062f\u0646 <code>RecursiveIteratorIterator<\/code> \u0628\u0631\u0627\u06cc \u0635\u0627\u0641 \u06a9\u0631\u062f\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0632\u0645\u0627\u0646\u06cc \u0631\u0627 \u0628\u0647 \u06cc\u0627\u062f \u0645\u06cc \u0622\u0648\u0631\u06cc\u062f \u06a9\u0647 \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0632\u06af\u0634\u062a \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u06cc\u0645 \u0648 \u0622\u0631\u0627\u06cc\u0647 \u0686\u0646\u062f \u0628\u0639\u062f\u06cc \u0645\u0627 \u0628\u0647 \u06cc\u06a9 \u0633\u0637\u062d \u0635\u0627\u0641 \u0628\u0631\u06af\u0634\u062a\u061f<\/p>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>RecursiveIteratorIterator<\/code> \u06a9\u0644\u0627\u0633  \u0645\u062b\u0644\u0627:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"c1\">\/\/ create a RecursiveIteratorIterator object<\/span>\n<span class=\"nv\">$rii<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveIteratorIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"p\">);<\/span>\n\n<span class=\"c1\">\/\/ loop over the RecursiveIteratorIterator<\/span>\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rii<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">print<\/span> <span class=\"s2\">\"<\/span><span class=\"nv\">$k<\/span><span class=\"s2\"> =&gt; <\/span><span class=\"nv\">$v<\/span><span class=\"s2\">\"<\/span><span class=\"mf\">.<\/span><span class=\"kc\">PHP_EOL<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u06cc\u0646 \u062d\u0644\u0642\u0647 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0644 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0645\u0627 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0647\u0645\u0627\u0646 \u0646\u062a\u0627\u06cc\u062c\u060c \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0633\u0637\u062d \u0631\u0627 \u0628\u06cc\u0631\u0648\u0646 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>first_name =&gt; grant\nlast_name =&gt; horwood\ntitle =&gt; pottymouth\nartist =&gt; bratmobile\nyear =&gt; 1993\ntitle =&gt; monks music\nartist =&gt; monk, thelonious\nyear =&gt; 1957\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0627\u0633\u0627\u0633\u0627\u060c <code>RecursiveIteratorIterator<\/code> \u0641\u0642\u0637 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0631\u0648\u06cc \u0645\u0627 \u062d\u0644\u0642\u0647 \u0645\u06cc \u0632\u0646\u062f <code>RecursiveArrayIterator<\/code>\u0648 \u0647\u0645\u0647 <code>RecursiveArrayIterator<\/code>\u0622\u0646 \u0631\u0627 \u0634\u0627\u0645\u0644 \u0645\u06cc \u0634\u0648\u062f.  \u0627\u06cc\u0646 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0647\u0645\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0634\u0627\u0645\u0644\u060c \u0628\u0647 \u0635\u0648\u0631\u062a \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u062c\u0645\u0644\u0647 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627\u06cc \u0627\u06cc\u0646 \u067e\u0633\u062a \u0645\u0636\u062d\u06a9 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u06cc\u062f\u060c \u0627\u0645\u0627 \u0627\u06a9\u0646\u0648\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u0646\u0637\u0642\u06cc \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%83%D8%B1%D8%AF%D9%86_iterator_apply_%D8%B1%D9%88%DB%8C_%D9%87%D9%85%D9%87_%D8%A7%DB%8C%D9%86_%DA%86%DB%8C%D8%B2%D9%87%D8%A7\"><\/span>\n<p>  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0643\u0631\u062f\u0646 <code>iterator_apply<\/code> \u0631\u0648\u06cc \u0647\u0645\u0647 \u0627\u06cc\u0646 \u0686\u06cc\u0632\u0647\u0627<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0635\u0627\u0641 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0632\u0627\u06cc\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0641\u0642\u0637 \u062a\u0645\u0627\u0645 \u0647\u0646\u0631\u0645\u0646\u062f\u0627\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u0622\u0644\u0628\u0648\u0645 \u062e\u0648\u062f \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0628\u0627\u0632\u06af\u0634\u062a\u06cc \u0628\u0627 <code>RecursiveArrayIterator<\/code> \u0648 \u0622\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u06a9\u0646\u06cc\u0645\u060c \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06a9\u0644 \u0645\u0648\u0636\u0648\u0639 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u0635\u0627\u0641 \u06a9\u0646\u06cc\u0645 <code>RecursiveIteratorIterator<\/code> \u0648 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u06a9\u0644\u06cc\u062f \u0634\u062f\u0647 \u0631\u0627 \u0628\u06af\u06cc\u0631\u06cc\u062f <code>artist<\/code>.  \u0631\u0648\u0634 \u0635\u0627\u0641 \u06a9\u0631\u062f\u0646 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0648 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0627\u0633\u062a.<\/p>\n<p>\u0686\u0646\u062f \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0632 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0633\u0637\u062d \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0627\u0645\u0627 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f\u06cc \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc \u06a9\u0646\u0645 \u0631\u0627\u0647\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0627\u0631 \u0646\u0645\u06cc \u06a9\u0646\u062f: <code>array_filter<\/code>.<\/p>\n<p>\u062f\u0631 \u0646\u06af\u0627\u0647 \u0627\u0648\u0644\u060c <code>array_filter<\/code> \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0639\u0627\u0644\u06cc \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f  \u0645\u0627 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0648\u062f \u0631\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0641\u0642\u0637 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645 <code>artist<\/code>\u060c \u06af\u0630\u0634\u062a\u0647 \u0627\u0632 \u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c <code>array_filter<\/code> \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f  \u0627\u06cc\u0646 \u06cc\u06a9 \u0645\u0634\u06a9\u0644 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627\u060c \u0627\u06af\u0631 \u0628\u0647 \u062e\u0631\u0648\u062c\u06cc \u0628\u0627\u0644\u0627 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645\u060c \u062f\u0648 \u0639\u0646\u0635\u0631 \u0628\u0627 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062f\u0627\u0631\u06cc\u0645: <code>artist<\/code>.  \u0628\u0627 <code>array_filter<\/code>\u060c \u0647\u0645\u0647 \u0622\u0646 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0647 \u0647\u0645 \u0645\u06cc \u0631\u06cc\u0632\u0646\u062f \u0648 \u0645\u0627 \u0641\u0642\u0637 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u0627\u0646 \u0645\u06cc \u0631\u0633\u0627\u0646\u06cc\u0645: \u0622\u062e\u0631\u06cc\u0646.  \u062e\u0648\u0628 \u0646\u06cc\u0633\u062a.<\/p>\n<p>\u0645\u0633\u062a\u0642\u06cc\u0645 \u062a\u0631\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u062f\u0631 \u0645\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u0645 <code>foreach<\/code> \u062d\u0644\u0642\u0647<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"nv\">$rii<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveIteratorIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"p\">);<\/span>\n\n<span class=\"nv\">$artists<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rii<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$k<\/span> <span class=\"o\">==<\/span> <span class=\"s2\">\"artist\"<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n        <span class=\"nv\">$artists<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"nb\">print_r<\/span><span class=\"p\">(<\/span><span class=\"nv\">$artists<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u0628\u0631 \u0631\u0648\u06cc \u062e\u0648\u062f \u062d\u0644\u0642\u0647 \u0645\u06cc \u0632\u0646\u06cc\u0645 <code>RecursiveIteratorIterator<\/code> \u0648 \u0627\u06af\u0631 \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a <code>artist<\/code> \u0645\u0627 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>$artists<\/code> \u0622\u0631\u0627\u06cc\u0647.  \u0646\u062a\u06cc\u062c\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0646\u0627\u0645 \u0647\u0646\u0631\u0645\u0646\u062f\u0627\u0646 \u0627\u0633\u062a.  \u06a9\u0627\u0645\u0644.<\/p>\n<p>\u06cc\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0633\u062a\u06cc\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>iterator_apply<\/code>.<\/p>\n<p><code>iterator_apply<\/code>  \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0639\u0646\u0627 \u0628\u0647 \u0646\u0648\u0639\u06cc \u0634\u0628\u06cc\u0647 \u0627\u0633\u062a <code>array_map<\/code>.  \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0628\u06cc\u0646\u06cc\u0645 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0647\u0646\u0631\u0645\u0646\u062f\u0627\u0646\u0645\u0627\u0646 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0646\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight php\"><code><span class=\"nv\">$rai<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveArrayIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$albums<\/span><span class=\"p\">);<\/span>\n\n<span class=\"nv\">$rii<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RecursiveIteratorIterator<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rai<\/span><span class=\"p\">);<\/span>\n\n<span class=\"c1\">\/\/ our filtering function to extract only 'artists'<\/span>\n<span class=\"nv\">$filter<\/span> <span class=\"o\">=<\/span> <span class=\"k\">fn<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$n<\/span> <span class=\"o\">==<\/span> <span class=\"s1\">'artist'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"nv\">$artists<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n<span class=\"nb\">iterator_apply<\/span><span class=\"p\">(<\/span><span class=\"nv\">$rii<\/span><span class=\"p\">,<\/span>\n    <span class=\"k\">function<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$filter<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">amp<\/span><span class=\"p\">;<\/span><span class=\"nv\">$artists<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n\n        <span class=\"c1\">\/\/ test the key with the filter<\/span>\n        <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filter<\/span><span class=\"p\">(<\/span><span class=\"nv\">$n<\/span><span class=\"o\">-&gt;<\/span><span class=\"nb\">key<\/span><span class=\"p\">()))<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nv\">$artists<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$n<\/span><span class=\"o\">-&gt;<\/span><span class=\"nb\">current<\/span><span class=\"p\">();<\/span>\n        <span class=\"p\">}<\/span>\n\n        <span class=\"k\">return<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">},<\/span>\n    <span class=\"p\">[<\/span><span class=\"nv\">$rii<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$filter<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">amp<\/span><span class=\"p\">;<\/span><span class=\"nv\">$artists<\/span><span class=\"p\">]);<\/span>\n\n<span class=\"nb\">print_r<\/span><span class=\"p\">(<\/span><span class=\"nv\">$artists<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0646\u06af\u0627\u0647 \u0643\u0631\u062f\u0646 <code>iterator_apply<\/code>\u060c \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u0633\u0647 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0645\u06cc \u06af\u06cc\u0631\u062f.  \u0627\u0648\u0644\u06cc\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0645\u0627 \u0627\u0633\u062a.  \u0628\u0633\u06cc\u0627\u0631 \u0633\u0631\u0631\u0627\u0633\u062a<\/p>\n<p>\u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627\u06cc \u062f\u0648\u0645 \u0648 \u0633\u0648\u0645 \u062a\u0627\u0628\u0639\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0639\u0646\u0635\u0631 \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u062f.  \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0648 \u062e\u0648\u062f \u062a\u0627\u0628\u0639 \u0627\u0633\u062a\u060c \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc.  \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0633\u0648\u0645 \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062a\u0645\u0627\u0645 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u062a\u0627\u0628\u0639 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f.  \u0627\u06af\u0631 \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0648 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0631\u062f\u06cc\u0645\u060c \u067e\u0646\u062c \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0628\u06af\u06cc\u0631\u062f\u060c \u0622\u0631\u0627\u06cc\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0627\u06cc\u062f \u067e\u0646\u062c \u0639\u0646\u0635\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.  \u0627\u0648\u0644\u06cc\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062a\u0627\u0628\u0639 \u0645\u0627 \u0648 \u0628\u0647 \u062a\u0628\u0639 \u0622\u0646 \u0627\u0648\u0644\u06cc\u0646 \u0639\u0646\u0635\u0631 \u0622\u0631\u0627\u06cc\u0647 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0647\u0645\u06cc\u0634\u0647 \u062e\u0648\u062f \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627\u060c \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0628\u0647 iterator_apply \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645 \u0633\u0647 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0627\u0631\u062f: \u062a\u06a9\u0631\u0627\u0631\u06a9\u0646\u0646\u062f\u0647\u060c \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0639\u0646\u0627\u0635\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 iterator \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0648 \u06cc\u06a9 \u0627\u0646\u0628\u0627\u0634\u062a\u0647 \u0628\u0647 \u0646\u0627\u0645 <code>$artists<\/code>.  \u0645\u0627 \u062f\u0631 \u062d\u0627\u0644 \u0639\u0628\u0648\u0631 \u0647\u0633\u062a\u06cc\u0645 <code>$artists<\/code> \u062a\u0648\u0633\u0637 \u0645\u0631\u062c\u0639 \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0628\u062f\u0646\u0647 \u062a\u0627\u0628\u0639 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645 \u0648 \u067e\u0633 \u0627\u0632 \u0627\u062c\u0631\u0627 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u062e\u0648\u062f \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u0645.<\/p>\n<p>\u062f\u0631 \u0628\u062f\u0646\u0647 \u062a\u0627\u0628\u0639\u060c \u06a9\u0644\u06cc\u062f \u0639\u0646\u0635\u0631 \u062c\u0627\u0631\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>key()<\/code> \u0631\u0648\u0634 \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0645\u0627 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u06cc\u062f <code>$filter<\/code>\u060c \u0642\u0627\u0628\u0644 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u0627 \u0627\u0633\u062a \u06a9\u0647 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f \u0622\u06cc\u0627 \u0622\u0646 \u06a9\u0644\u06cc\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631 <code>artists<\/code>.  \u0627\u06af\u0631 <code>$filter<\/code> \u0645\u0642\u062f\u0627\u0631 true \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f\u060c \u0628\u0627 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u0642\u062f\u0627\u0631 \u0639\u0646\u0635\u0631 \u0641\u0639\u0644\u06cc \u062a\u06a9\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0628\u062f\u0633\u062a \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645 <code>current()<\/code> \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u0622\u06a9\u0648\u0645\u0648\u0644\u0627\u062a\u0648\u0631 \u062e\u0648\u062f \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u0645 <code>$artists<\/code>.<\/p>\n<p>\u0635\u0627\u062f\u0642\u0627\u0646\u0647 \u0628\u06af\u0648\u06cc\u0645\u060c \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0646\u0647 \u0622\u0633\u0627\u0646 \u0627\u0633\u062a \u0648 \u0646\u0647 \u0648\u0627\u0636\u062d \u0648 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647\u060c \u0627\u06a9\u062b\u0631 \u0645\u0631\u062f\u0645 \u0641\u0642\u0637 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f <code>foreach<\/code> \u062d\u0644\u0642\u0647 \u0647\u0627  \u0648\u0644\u06cc <code>iterator_apply<\/code> \u0628\u0633\u06cc\u0627\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0627\u06af\u0631 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0627\u0632 \u0642\u0628\u0644 \u0645\u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0622\u0646 \u0631\u0627 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u0645.  \u062f\u0627\u0646\u0633\u062a\u0646 \u0648\u062c\u0648\u062f \u0622\u0646 \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u0627\u0633\u062a\u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u0645\u062c\u0628\u0648\u0631 \u0628\u0627\u0634\u06cc\u0645 \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u062a\u0627\u0628\u0686\u0647 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0622\u0646 \u0631\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0628\u062e\u0648\u0627\u0646\u06cc\u0645.<\/p>\n<blockquote>\n<p>\ud83d\udd0e \u0627\u06cc\u0646 \u067e\u0633\u062a \u062f\u0631 \u0627\u0635\u0644 \u062f\u0631 \u0648\u0628\u0644\u0627\u06af \u0641\u0646\u06cc \u06af\u0631\u0646\u062a \u0647\u0648\u0631\u0648\u0648\u062f \u0646\u0648\u0634\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a<\/p>\n<\/blockquote><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0628\u0627\u0632\u06af\u0634\u062a \u062f\u0631 \u0628\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646 \u0634\u0647\u0631\u062a \u0628\u062f\u06cc \u062f\u0627\u0631\u062f. \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0648 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u0633\u062a \u0648 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0622\u0646 \u062f\u0634\u0648\u0627\u0631 \u0627\u0633\u062a\u060c \u06cc\u06a9 \u062a\u0641\u0646\u06af \u067e\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc. \u0627\u06cc\u0646 \u06a9\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0645\u062f\u0631\u0633\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u06cc\u062f (\u0627\u06af\u0631 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0647 \u0645\u062f\u0631\u0633\u0647 \u0631\u0641\u062a\u0647 \u0627\u06cc\u062f) \u0648 \u0627\u06af\u0631 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f\u060c \u062f\u06cc\u06af\u0631 \u0647\u0631\u06af\u0632 \u0622\u0646 \u0631\u0627 \u0644\u0645\u0633 \u0646\u06a9\u0646\u06cc\u062f. \u06a9\u0647 \u06cc\u06a9 \u06a9\u0634\u06cc\u062f\u0646 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