PHP recursively changes all files under a folder-php手册-php.cn

PHP recursively changes all files under a folder

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Release： 2016-12-05 13:27:49

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Two methods, random and conditional modes
<?php /* * time: December 2, 2016 17:58:36 * author: Zhang Chenyang *email:lequne@126.com */ //Generate different file names based on judgment conditions function fRename($dirname) { If (!is_dir($dirname)) { echo "{$dirname} is not a valid directory!"; exit(); } $handle = opendir($dirname); While (($fn = readdir($handle)) !== false) { If ($fn != '.' && $fn != '..') { echo "fn = " . $fn . "nr"; $curDir = $dirname . '/' . $fn; echo "curDir = " . $curDir . "rn"; if (is_dir($curDir)) { fRename($curDir); } else { $path = pathinfo($curDir); //var_dump($path);//die; //$newname = $path['dirname'].'/'.rand(0,100).'.'.$path['extension']; $img_info = getimagesize($curDir); $h = $img_info[1]; // var_dump($w); If ($w == 210 && $h == 210) { } elseif ($w == 720 && $h == 268) { } Elseif ($ w == 298 && $ h == 198) { } elseif ($w == 338 && $h == 365) { } Elseif ($ w == 425 && $ h == 425) { ‐— } ’ ’ out out. out //$n=$new.'.jpg'; //$newname1='.jpg'; var_dump($curDir); $newname = str_replace($fn, $newname, $curDir); var_dump($newname); echo "newname after replacement:" . $newname . "rn"; . // echo $ curdir .'-- '. $ Newme. "& Lt; br & gt;"; } } } } //Call this method //fRename('./001'); //Use PHP directory and file functions to traverse all files and folders in the directory given by the user, and modify the file names randomly function rand_fRename($dirname) { Header('content-type:text/html;charset=utf8'); If (!is_dir($dirname)) { echo "{$dirname} is not a valid directory!"; exit(); } $handle = opendir($dirname); While (($fn = readdir($handle)) !== false) { If ($fn != '.' && $fn != '..') { echo "fn = " . $fn . "nr"; $curDir = $dirname . '/' . $fn; echo "curDir = " . $curDir . "rn"; if (is_dir($curDir)) { // var_dump($new);die; $newname = str_replace($fn, $new, $curDir); var_dump($newname); . rand_fRename($newname); } else{ $path = pathinfo($curDir); //var_dump($path);//die; //$newname = $path['dirname'].'/'.rand(0,100).'.'.$path['extension']; //123[1] $img_info=getimagesize($curDir); // var_dump($img_info); $w=$img_info[0]; $h=$img_info[1]; // Prevent duplicate random generating file names $new=rand(10,100000000000); $n=$new.'.jpg'; //$newname1='.jpg'; var_dump($curDir); $newname = str_replace($fn,$n,$curDir); var_dump($newname); echo "newname after replacement:".$newname."rn"; } } } } rand_fRename(); //The folder folder that needs to be changed //Randomly generate string function generate_password($length = 8) { Header('content-type:text/html;charset=utf8'); // Password character set, you can add any characters you need $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $password = ""; for ($i = 0; $i < $length; $i++) { // There are two ways to obtain characters here // The first is to use substr to intercept any character in $chars; // The second is to take any element of the character array $chars // $password .= substr($chars, mt_rand(0, strlen($chars) – 1), 1); $password .= $chars[mt_rand(0, strlen($chars) - 1)]; } Return $password; }