Viên ngọc phương Đông

<?php

if (!defined('ABSPATH')) die('No direct access allowed');

if (class_exists('Updraft_PHP_Logger')) return;
if (!class_exists('Updraft_Abstract_Logger')) require_once('class-updraft-abstract-logger.php');

/**
 * Class Updraft_PHP_Logger
 */
class Updraft_PHP_Logger extends Updraft_Abstract_Logger {

/**
	 * Updraft_PHP_Logger constructor
	 */
	public function __construct() {
	}

/**
	 * Returns logger description
	 *
	 * @return string|void
	 */
	public function get_description() {
		return __('Log events into the PHP error log', 'wp-optimize');
	}

/**
	 * Emergency message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function emergency($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::EMERGENCY, $message, $context);
	}

/**
	 * Alert message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function alert($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::ALERT, $message, $context);
	}

/**
	 * Critical message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function critical($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::CRITICAL, $message, $context);
	}

/**
	 * Error message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function error($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::ERROR, $message, $context);
	}

/**
	 * Warning message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function warning($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::WARNING, $message, $context);
	}

/**
	 * Notice message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function notice($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::NOTICE, $message, $context);
	}

/**
	 * Info message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function info($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::INFO, $message, $context);
	}

/**
	 * Debug message
	 *
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function debug($message, array $context = array()) {
		$this->log(Updraft_Log_Levels::DEBUG, $message, $context);
	}

/**
	 * Log message with any level
	 *
	 * @param  mixed  $level
	 * @param  string $message
	 * @param  array  $context
	 * @return null|void
	 */
	public function log($level, $message, array $context = array()) {

if (!$this->is_enabled()) return false;

$message = '['.Updraft_Log_Levels::to_text($level).'] : '.$this->interpolate($message, $context);
		error_log($message);
	}
}