<?php
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/**
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* PhalApi_Logger_File 文件日记纪录类
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*
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* - 将日记写入文件，文件目录可以自定义
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*
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* <br>使用示例：<br>
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```
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* //目录为./Runtime，且保存全部类型的日记
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* $logger = new PhalApi_Logger_File('./Runtime',
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* PhalApi_Logger::LOG_LEVEL_DEBUG | PhalApi_Logger::LOG_LEVEL_INFO | PhalApi_Logger::LOG_LEVEL_ERROR);
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*
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* //日记会保存在在./Runtime/debug_log/目录下
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* $logger->debug('this is bebug test');
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```
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*
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* @package PhalApi\Logger
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* @license http://www.phalapi.net/license GPL 协议
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* @link http://www.phalapi.net/
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* @author dogstar <chanzonghuang@gmail.com> 2014-10-02
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*/
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class PhalApi_Logger_File extends PhalApi_Logger {
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/** 外部传参 **/
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protected $logFolder;
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protected $dateFormat;
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/** 内部状态 **/
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protected $fileDate;
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protected $logFile;
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public function __construct($logFolder, $level, $dateFormat = 'Y-m-d H:i:s') {
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$this->logFolder = $logFolder;
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$this->dateFormat = $dateFormat;
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parent::__construct($level);
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$this->init();
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}
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protected function init() {
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// 跨天时新建日记文件
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$curFileDate = date('Ymd', time());
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if ($this->fileDate == $curFileDate) {
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return;
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}
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$this->fileDate = $curFileDate;
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// 每月一个目录
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$folder = $this->logFolder
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. DIRECTORY_SEPARATOR . 'log'
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. DIRECTORY_SEPARATOR . substr($this->fileDate, 0, -2);
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if (!file_exists($folder)) {
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mkdir($folder . '/', 0777, TRUE);
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}
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// 每天一个文件
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$this->logFile = $folder
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. DIRECTORY_SEPARATOR . $this->fileDate . '.log';
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if (!file_exists($this->logFile)) {
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// 当没有权限时，touch会抛出(Permission denied)异常
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@touch($this->logFile);
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// touch失败时，chmod会抛出(No such file or directory)异常
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if (file_exists($this->logFile)) {
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chmod($this->logFile, 0777);
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}
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}
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}
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public function log($type, $msg, $data) {
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$this->init();
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$msgArr = array();
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$msgArr[] = date($this->dateFormat, time());
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$msgArr[] = strtoupper($type);
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$msgArr[] = str_replace(PHP_EOL, '\n', $msg);
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if ($data !== NULL) {
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$msgArr[] = is_array($data) ? json_encode($data) : $data;
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}
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$content = implode('|', $msgArr) . PHP_EOL;
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file_put_contents($this->logFile, $content, FILE_APPEND);
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}
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}
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