php异常处理使用示例_php实例
//禁止错误输出
error_reporting(0);
//设置错误处理器
set_error_handler('errorHandler');
register_shutdown_function('fatalErrorHandler');
class Test{
public function index(){
//这里发生一个警告错误,出发errorHandler
echo $undefinedVarible;
}
}
function errorHandler($errno,$errstr,$errfile,$errline){
$arr = array(
'['.date('Y-m-d h-i-s').']',
'http://www.baidu.com',
'|',
$errstr,
$errfile,
'line:'.$errline,
);
//写入错误日志
//格式 : 时间 uri | 错误消息 文件位置 第几行
error_log(implode(' ',$arr)."\r\n",3,'./test.txt','extra');
echo implode(' ',$arr)."\r\n";
}
//捕获fatalError
function fatalErrorHandler(){
$e = error_get_last();
switch($e['type']){
case E_ERROR:
case E_PARSE:
case E_CORE_ERROR:
case E_COMPILE_ERROR:
case E_USER_ERROR:
errorHandler($e['type'],$e['message'],$e['file'],$e['line']);
break;
}
}
$test = new Test();
////这里发生一个警告错误,被errorHandler 捕获
$test->index();
//发生致命错误,脚本停止运行触发 fatalErrorHandler
$test = new Tesdt();
$test->index();
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