get_col( $wpdb->prepare( "SELECT $wpdb->users.ID FROM $wpdb->users ORDER BY %s ASC" , $szSort )); return $aUsersID; } /* Delete folder and contents */ function adt_delete_folder($directory, $empty = false) { if(substr($directory,-1) == "/") { $directory = substr($directory,0,-1); } if(!file_exists($directory) || !is_dir($directory)) { return false; } elseif(!is_readable($directory)) { return false; } else { $directoryHandle = opendir($directory); while ($contents = readdir($directoryHandle)) { if($contents != '.' && $contents != '..') { $path = $directory . "/" . $contents; if(is_dir($path)) { deleteAll($path); } else { unlink($path); } } } closedir($directoryHandle); if($empty == false) { if(!rmdir($directory)) { return false; } } return true; } } function adt_get_user_photo_url($userid) { return get_usermeta( $userid, 'adt_user_photo_url' ); } ?>