/** * Add a debugging message * * @param string $str The message to add to the debug protocol */ public static function Debug($str) { if (!self::$Debugging) { return; } $temp = date('Y-m-d H:i:s') . "\t" . $str; if (self::$DebugBackTrace) { $trace = debug_backtrace(); $temp .= " ('" . $trace[1]['function'] . "' in '" . basename($trace[1]['file']) . "' at line #" . $trace[1]['line'] . ")"; } self::$DebugInfo[] = $temp; if (!is_null(self::$DebugFile)) { if (file_put_contents(self::$DebugFile, $temp . "\n", FILE_APPEND) === false) { self::Debug('Could not write to debug file ' . self::$DebugFile); self::$DebugFile = null; } } }