vr-shopxo-source/thinkphp/library/think/log/driver/File.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think\log\driver;

use think\App;

/**
 * 本地化调试输出到文件
 */
class File
{
    protected $config = [
        'time_format' => ' c ',
        'single'      => false,
        'file_size'   => 2097152,
        'path'        => '',
        'apart_level' => [],
        'max_files'   => 0,
        'json'        => false,
    ];

    protected $app;

    // 实例化并传入参数
    public function __construct(App $app, $config = [])
    {
        $this->app = $app;

        if (is_array($config)) {
            $this->config = array_merge($this->config, $config);
        }

        if (empty($this->config['path'])) {
            $this->config['path'] = $this->app->getRuntimePath() . 'log' . DIRECTORY_SEPARATOR;
        } elseif (substr($this->config['path'], -1) != DIRECTORY_SEPARATOR) {
            $this->config['path'] .= DIRECTORY_SEPARATOR;
        }
    }

    /**
     * 日志写入接口
     * @access public
     * @param  array    $log    日志信息
     * @param  bool     $append 是否追加请求信息
     * @return bool
     */
    public function save(array $log = [], $append = false)
    {
        $destination = $this->getMasterLogFile();

        $path = dirname($destination);
        !is_dir($path) && mkdir($path, 0755, true);

        $info = [];

        foreach ($log as $type => $val) {

            foreach ($val as $msg) {
                if (!is_string($msg)) {
                    $msg = var_export($msg, true);
                }

                $info[$type][] = $this->config['json'] ? $msg : '[ ' . $type . ' ] ' . $msg;
            }

            if (!$this->config['json'] && (true === $this->config['apart_level'] || in_array($type, $this->config['apart_level']))) {
                // 独立记录的日志级别
                $filename = $this->getApartLevelFile($path, $type);

                $this->write($info[$type], $filename, true, $append);

                unset($info[$type]);
            }
        }

        if ($info) {
            return $this->write($info, $destination, false, $append);
        }

        return true;
    }

    /**
     * 日志写入
     * @access protected
     * @param  array     $message 日志信息
     * @param  string    $destination 日志文件
     * @param  bool      $apart 是否独立文件写入
     * @param  bool      $append 是否追加请求信息
     * @return bool
     */
    protected function write($message, $destination, $apart = false, $append = false)
    {
        // 检测日志文件大小，超过配置大小则备份日志文件重新生成
        $this->checkLogSize($destination);

        // 日志信息封装
        $info['timestamp'] = date($this->config['time_format']);

        foreach ($message as $type => $msg) {
            $info[$type] = is_array($msg) ? implode("\r\n", $msg) : $msg;
        }

        if (PHP_SAPI == 'cli') {
            $message = $this->parseCliLog($info);
        } else {
            // 添加调试日志
            $this->getDebugLog($info, $append, $apart);

            $message = $this->parseLog