getTrace() as $frame) { $args = ""; if (isset($frame['args'])) { $args = array(); foreach ($frame['args'] as $arg) { if (is_string($arg)) { $args[] = "'" . $arg . "'"; } elseif (is_array($arg)) { $args[] = "Array"; } elseif (is_null($arg)) { $args[] = 'NULL'; } elseif (is_bool($arg)) { $args[] = ($arg) ? "true" : "false"; } elseif (is_object($arg)) { $args[] = get_class($arg); } elseif (is_resource($arg)) { $args[] = get_resource_type($arg); } else { $args[] = $arg; } } $args = join(", ", $args); } $rtn .= sprintf( "#%s %s(%s): %s(%s)\n", $count, $frame['file'], $frame['line'], $frame['function'], $args ); $count++; } return $rtn; }