/**
* Delete Files
*
* Deletes all files and optionally folders from the path specfied
*
* @param string path to file
* @param bool delete contained directories
* @param bool delete root directory (this is the same as a recursive delete_all - use with caution!)
* @return void
*/
public static function delete_files($path, $mask = NULL, $del_dir = FALSE, $del_root = FALSE, $level = 0)
{
// Trim the trailing slash
$path = preg_replace('|/+$|', '', $path);
// fail if a leading slash is encountered
if ($level == 0 && preg_match('%^[\\\\/]+%', $path)) {
trigger_error('filesystem::deletefiles - <span style="color:red">Absolute paths not allowed</span>', E_USER_WARNING);
return;
}
// fail on directory error
if (!($current_dir = @opendir($path))) {
return;
}
// file mask
if ($level == 0 && $mask != NULL) {
// regular expression for detecing a regular expression
$rxIsRegExp = '/^([%|\\/]|{).+(\\1|})[imsxeADSUXJu]*$/';
// an array of file extenstions
if (is_array($mask)) {
$mask = '%\\.(' . implode('|', $mask) . ')$%';
} else {
if (!preg_match($rxIsRegExp, $mask)) {
$mask = "/\\.{$mask}\$/";
}
}
}
// loop through files
while (FALSE !== ($filename = @readdir($current_dir))) {
if ($filename != "." and $filename != "..") {
if (is_dir($path . '/' . $filename)) {
filesystem::delete_files($path . '/' . $filename, $mask, $del_dir, $del_root, $level + 1);
} else {
if ($mask == NULL || preg_match($mask, $filename)) {
unlink($path . '/' . $filename);
}
}
}
}
@closedir($current_dir);
// remove folders
if ($del_dir && $level > 0) {
@rmdir($path);
}
if ($del_root && $level == 0) {
@rmdir($path);
}
}
