/**
* Delete those files from the given directory, which results true value on checkDelete function
*
* @static
*
* @param string directory path
* @param string the first error occured deleting the directory content
*/
function deleteDirContent($path, &$first_error)
{
$path = trailing_slash($path);
if ($dir = @opendir($path)) {
while (($file = readdir($dir)) !== false) {
if ($file == '.' || $file == '..') {
continue;
}
$file_path = $path . $file;
if (is_dir($file_path)) {
PageCache::deleteDirContent($file_path, $first_error);
} else {
if (PageCache::checkDelete($file_path)) {
if (!@unlink($file_path) && $first_error == '') {
// deleting the file failed: return error
//$error = error_get_last(); // XXX: requires PHP 5.2
//$error['message'];
$first_error = sprintf(T_('Some files could not be deleted (including: %s).'), $file);
}
}
}
}
} else {
if ($first_error == '') {
$first_error = sprintf(T_('Can not access directory: %s.'), $path);
}
}
}
