119 lines
2.7 KiB
PHP
119 lines
2.7 KiB
PHP
<?php
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/**
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* $Id: Logger.php 58820 2015-01-16 16:29:33Z caoyangmin $
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* @author caoyangmin(caoyangmin@baidu.com)
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* @brief
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*/
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namespace phprs\util;
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/**
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* 简单的日志输出, 方便应用替换自己的日志实现
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* @author caoym
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*
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*/
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class Logger
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{
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static $flags = 12; // ERROR|WARNING
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/**
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* echo输出
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*/
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static $to_echo;
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/**
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* 忽略输出
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*/
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static $to_void;
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/**
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* trigger_error 输出
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* @var callable
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*/
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static $to_php_log;
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/**
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* 输出到哪, 默认为Logger::$to_php_log
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* @var callable
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*/
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static $writer;
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const DEBUG=1;
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const INFO=2;
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const WARNING=4;
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const ERROR=8;
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/**
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* debug log
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* @param string $msg
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* @return void
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*/
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public static function debug($msg){
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if(self::$flags&self::DEBUG){
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call_user_func(Logger::$writer, self::DEBUG, $msg);
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}
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}
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/**
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* info log
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* @param string $msg
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* @return void
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*/
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public static function info($msg){
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if(self::$flags&self::INFO){
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call_user_func(Logger::$writer, self::INFO, $msg);
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}
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}
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/**
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* warning log
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* @param string $msg
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* @return void
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*/
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public static function warning($msg){
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if(self::$flags&self::WARNING){
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call_user_func(Logger::$writer, self::WARNING, $msg);
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}
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}
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/**
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* error log
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* @param string $msg
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* @return void
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*/
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public static function error($msg){
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if(self::$flags&self::ERROR){
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call_user_func(Logger::$writer, self::ERROR, $msg);
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}
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}
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/**
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* init
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* @return void
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*/
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public static function init(){
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Logger::$to_echo = function ($level, $message){
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$titles = array(
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Logger::DEBUG => '==DEBUG==',
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Logger::INFO => '==INFO==',
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Logger::WARNING => '==WARNING==',
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Logger::ERROR => '==ERROR==',
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);
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echo $titles[$level].' '.$message."<br>\n";
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};
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Logger::$to_php_log = function ($level, $message)
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{
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$titles = array(
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Logger::DEBUG => E_USER_NOTICE,
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Logger::INFO => E_USER_NOTICE,
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Logger::WARNING => E_USER_WARNING,
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Logger::ERROR => E_USER_ERROR,
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);
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$caller = debug_backtrace()[2];
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trigger_error($message.' in '.$caller['file'].' on line '.$caller['line'].''."\n<br />", $titles[$level]);
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};
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Logger::$to_void = function ($level, $message){
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};
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if(Logger::$writer === null){
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Logger::$writer = Logger::$to_php_log;
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}
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}
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}
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Logger::init();
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