Posted By

Tenzer on 03/10/08

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Last Edited at 03/10/08 09:55am

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Recursive chmod in PHP

/ Published in: PHP

A small function I made to chmod directories and files recursively, with different permissions.

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<?
    /**
      Chmods files and folders with different permissions.
 
      This is an all-PHP alternative to using: \n
      <tt>exec("find ".$path." -type f -exec chmod 644 {} \;");</tt> \n
      <tt>exec("find ".$path." -type d -exec chmod 755 {} \;");</tt>
 
      @author Jeppe Toustrup (tenzer at tenzer dot dk)
      @param $path An either relative or absolute path to a file or directory
      which should be processed.
      @param $filePerm The permissions any found files should get.
      @param $dirPerm The permissions any found folder should get.
      @return Returns TRUE if the path if found and FALSE if not.
      @warning The permission levels has to be entered in octal format, which
      normally means adding a zero ("0") in front of the permission level. \n
      More info at: http://php.net/chmod.
    */
 
    function recursiveChmod ($path, $filePerm=0644, $dirPerm=0755) {
        // Check if the path exists
        if (!file_exists($path)) {
            return(false);
        }
 
        // See whether this is a file
        if (is_file($path)) {
            // Chmod the file with our given filepermissions
            chmod($path, $filePerm);
 
        // If this is a directory...
        } elseif (is_dir($path)) {
            // Then get an array of the contents
            $foldersAndFiles = scandir($path);
 
            // Remove "." and ".." from the list
            $entries = array_slice($foldersAndFiles, 2);
 
            // Parse every result...
            foreach ($entries as $entry) {
                // And call this function again recursively, with the same permissions
                recursiveChmod($path."/".$entry, $filePerm, $dirPerm);
            }
 
            // When we are done with the contents of the directory, we chmod the directory itself
            chmod($path, $dirPerm);
        }
 
        // Everything seemed to work out well, return true
        return(true);
    }
?>