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rename multiple files/directories to lowercase, removing spaces & funny characters

/ Published in: PHP
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  1. function massrename($dir) {
  2.  
  3.     $files = glob($dir . '/*');
  4.     foreach ($files as $file) {
  5.  
  6.         $pathinfo = pathinfo($file);
  7.         $newname = strtolower($pathinfo['basename']);
  8.         // replace spaces with hyphens and remove funny characters
  9.         $newname = str_replace(' ', '-', $newname);
  10.         $newname = preg_replace('/[^\d\w\._-]/', '', $newname);
  11.         // make sure there's something left
  12.         $newname = $newname ? $newname : 'file';
  13.         // prevent renaming over an existing file
  14.         while ($newname !== $pathinfo['basename'] && file_exists($dir . '/' . $newname)) {
  15.             $newname = '_' . $newname;
  16.         }
  17.         rename($file, $dir . '/' . $newname) || die('o no there was an error');
  18.         is_dir($dir . '/' . $newname) && massrename($dir . '/' . $newname);
  19.     } 
  20. }

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