{"id":121,"date":"2013-04-04T17:52:40","date_gmt":"2013-04-04T17:52:40","guid":{"rendered":"http:\/\/ecodebook.wordpress.com\/?p=121"},"modified":"2026-05-27T19:30:45","modified_gmt":"2026-05-27T19:30:45","slug":"php-recursive-directory-navigation","status":"publish","type":"post","link":"https:\/\/blog.mycarts.shop\/?p=121","title":{"rendered":"PHP: Recursive Directory Navigation"},"content":{"rendered":"\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-Roboto-Mono.ttf\" style=\"font-size:13px;font-family:Code-Pro-Roboto-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.625rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#263238\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#EEFFFF;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>function readpath($dir,$level,$last,&amp;$dirs,&amp;$files){\n\/\/print $dir.\" (DIR)\\n\";\n$dp=opendir($dir);\nwhile (false!=($file=readdir($dp)) &amp;&amp; $level == $last){\nif ($file!=\".\" &amp;&amp; $file!=\"..\")\n{\nif (is_dir($dir.\"\/\".$file))\n{\nreadpath($dir.\"\/\".$file,$level+1,$last,$dirs,$files); \/\/ uses recursion\n$dirs[] = \"$dir\/$file\"; \/\/ reads the dir into an array\n}\nelse{\n$files[] = \"$dir\/$file\"; \/\/ reads the file into an array\n}\n}\n}\n}\n\/* From PHP.NET *\/\nfunction get_size($path)\n{\nif(!is_dir($path))return filesize($path);\n$dir = opendir($path);\nwhile($file = readdir($dir))\n{\nif(is_file($path.\"\/\".$file))$size+=filesize($path.\"\/\".$file);\nif(is_dir($path.\"\/\".$file) &amp;&amp; $file!=\".\" &amp;&amp; $file !=\"..\")$size +=get_size($path.\"\/\".$file);\n\n}\nreturn $size;\n}\n\nif(isset($_GET&#91;\u2018i\u2019&#93;)){\n$start_dir = $_GET&#91;\u2018i\u2019&#93;; \/\/ this fetches the i or directory name through a link specified via the url.\n}\nelse{ \/\/ else if no name is specified by link, then use the default\n$start_dir = \".\/parent\"; \/\/ . means the current directory or whatever name you specify\n}\n\n$level=1; \/\/ level is the first level started at\n$last=1; \/\/this is set the same as level so the script does not read all directories, and only one at a time\n$dirs = array(); \/\/ SET dirs as an ARRAY so it can be read\n$files = array(); \/\/SET files as an ARRAY so it can be read\n\nreadpath($start_dir,$level, $last, $dirs,$files);\n?>\n&lt;strong>Sub Directories in: &lt;?php echo substr($start_dir, 2); ?>&lt;\/strong>&lt;br>\nsort($dirs);\nif(empty($dirs)) \/\/ checks if the dirs array is empty. if so, then display \"empty\"\n{\necho\"\";\n}\n\/* SHOWS THE DIRECTORIES FROM ARRAY *\/\nforeach($dirs as $dir)\n{\necho \"&lt;a href=\\\"$PHP_SELF?i=$dir\\\">$d&lt;\/a&lt;br> \";\n}\n}\n?>\n\n&lt;?php\n\/* SHOWS FILES FROM ARRAY*\/\n$tf = count($files);\nif($tf != 0){\necho \"&lt;br>Total Files: $tf&lt;br>&lt;br>\"; \/* Display total in directory*\/\n}\nsort($files); \/\/ Sort the files alphabetically\n$i = 1;\nforeach($files as $file)\n{ \/\/Below PHP functions are used to display file stats such as creation time, permissions etc.\n$f = preg_replace(\u2018\/^.*\\\/\\s*\/\u2019, \u201d, $file);\necho $i;\necho \". &lt;a href=\\\"$file\\\">$f&lt;\/a>\";\necho \" size:\".get_size($file).\"&lt;br>\";\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki material-theme\" style=\"background-color: #263238\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #C3E88D\">function readpath($dir,$level,$last,&amp;$dirs,&amp;$files){<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">\/\/print $dir.&quot; (DIR)\\n&quot;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$dp=opendir($dir);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">while (false!=($file=readdir($dp)) &amp;&amp; $level == $last){<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if ($file!=&quot;.&quot; &amp;&amp; $file!=&quot;..&quot;)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if (is_dir($dir.&quot;\/&quot;.$file))<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">readpath($dir.&quot;\/&quot;.$file<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #C3E88D\">$level+1<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #C3E88D\">$last<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #C3E88D\">$dirs<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #C3E88D\">$files); \/\/ uses recursion<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$dirs<\/span><span style=\"color: #89DDFF\">[]<\/span><span style=\"color: #EEFFFF\"> <\/span><span style=\"color: #C3E88D\">= &quot;$dir\/$file&quot;; \/\/ reads the dir into an array<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">else<\/span><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$files<\/span><span style=\"color: #89DDFF\">[]<\/span><span style=\"color: #EEFFFF\"> <\/span><span style=\"color: #C3E88D\">= &quot;$dir\/$file&quot;; \/\/ reads the file into an array<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">\/* From PHP.NET *\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">function get_size($path)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if(!is_dir($path))return filesize($path);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$dir = opendir($path);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">while($file = readdir($dir))<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if(is_file($path.&quot;\/&quot;.$file))$size+=filesize($path.&quot;\/&quot;.$file);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if(is_dir($path.&quot;\/&quot;.$file) &amp;&amp; $file!=&quot;.&quot; &amp;&amp; $file !=&quot;..&quot;)$size +=get_size($path.&quot;\/&quot;.$file);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">return $size;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if(isset($_GET&#91;\u2018i\u2019&#93;)){<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$start_dir = $_GET&#91;\u2018i\u2019&#93;; \/\/ this fetches the i or directory name through a link specified via the url.<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">else{ \/\/ else if no name is specified by link, then use the default<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$start_dir = &quot;.\/parent&quot;; \/\/ . means the current directory or whatever name you specify<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$level=1; \/\/ level is the first level started at<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$last=1; \/\/this is set the same as level so the script does not read all directories, and only one at a time<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$dirs = array(); \/\/ SET dirs as an ARRAY so it can be read<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$files = array(); \/\/SET files as an ARRAY so it can be read<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">readpath($start_dir,$level, $last, $dirs,$files);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">?<\/span><span style=\"color: #89DDFF; font-style: italic\">&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">&lt;strong&gt;Sub Directories in<\/span><span style=\"color: #EEFFFF\">: <\/span><span style=\"color: #C3E88D\">&lt;?php echo substr($start_dir, 2); ?&gt;&lt;\/strong&gt;&lt;br&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">sort($dirs);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if(empty($dirs)) \/\/ checks if the dirs array is empty. if so, then display &quot;empty&quot;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">echo&quot;&quot;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">\/* SHOWS THE DIRECTORIES FROM ARRAY *\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">foreach($dirs as $dir)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">echo &quot;&lt;a href=\\&quot;$PHP_SELF?i=$dir\\&quot;&gt;$d&lt;\/a&lt;br&gt; &quot;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">?<\/span><span style=\"color: #89DDFF; font-style: italic\">&gt;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">&lt;?php<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">\/* SHOWS FILES FROM ARRAY*\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$tf = count($files);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">if($tf != 0){<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F07178\">echo &quot;&lt;br&gt;Total Files<\/span><span style=\"color: #EEFFFF\">: <\/span><span style=\"color: #C3E88D\">$tf&lt;br&gt;&lt;br&gt;&quot;; \/* Display total in directory*\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #EEFFFF\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">sort($files); \/\/ Sort the files alphabetically<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$i = 1;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">foreach($files as $file)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">{<\/span><span style=\"color: #EEFFFF\"> <\/span><span style=\"color: #C3E88D\">\/\/Below PHP functions are used to display file stats such as creation time<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #EEFFFF\"> <\/span><span style=\"color: #C3E88D\">permissions etc.<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">$f = preg_replace(\u2018\/^.*\\\/\\s*\/\u2019<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #EEFFFF\"> <\/span><span style=\"color: #C3E88D\">\u201d<\/span><span style=\"color: #89DDFF\">,<\/span><span style=\"color: #EEFFFF\"> <\/span><span style=\"color: #C3E88D\">$file);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">echo $i;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">echo &quot;. &lt;a href=\\&quot;$file\\&quot;&gt;$f&lt;\/a&gt;&quot;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C3E88D\">echo &quot; size:&quot;.get_size($file).&quot;&lt;br&gt;&quot;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #89DDFF\">}<\/span><\/span><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-121","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=\/wp\/v2\/posts\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=121"}],"version-history":[{"count":1,"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=\/wp\/v2\/posts\/121\/revisions"}],"predecessor-version":[{"id":674,"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=\/wp\/v2\/posts\/121\/revisions\/674"}],"wp:attachment":[{"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mycarts.shop\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}