php 写入日志函数

public static function log($var, $file = ''){ $file = LOG_PATH . 'static' . '/' . 'log' . '/' . ($file ? $file . '_' : $file) . date('Ymd') . '.log'; $str = self::encodeObject($var); error_log(DTF . ' ' . $str . "\n", 3, $file); } private static function encodeObject($Object){ $str = ''; if (is_resource($Object) || is_object($Object)) { $str = '** '.(string)$Object.' **'; } elseif (is_array($Object)) { foreach ($Object as $key => $val) { $str .= $key . '::::' . self::encodeObject($val) . '\n'; } } else { $str = (string)$Object; } return $str; }