PHP basic learning: error handling

You will encounter many error handling methods in PHP learning. This article explains the related handling methods.

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<?php 
    //php错误处理之禁止显示错误(display_errors) 
    ini_set(&#39;display_error&#39;, 0); 
       
    echo &#39;服务器中display_errors的状态为&#39;.ini_get(&#39;display_errors&#39;); 
?> 
   
<!-- php错误处理值错误报告级别 --> 
<?php 
//     E_ERROR  
//     E_WARNING  
//     E_NOTICE 
//     E_PARSE 
//     E_ALL 
//     E_STRICT 
//     E_DEPRECATED 
error_reporting(); 
    @$fp = fopen(&#39;adsaf.txt&#39;, &#39;r&#39;); 
    echo 1; 
?> 
   
<!-- php错误处理之错误记录日志 --> 
<?php 
// php.ini中的配置 
// log_errors 
// log_errors_max_len 
// error_log(重点) 
    echo ini_get(&#39;log_errors&#39;); 
       
    error_log("无法连接到数据库服务器服务器"); 
    error_log(&#39;可以用邮件报告错误，让运维人员半夜 
        起床干活&#39;,1,&#39;pig@php.cn&#39;); 
    error_log("我是一个错误哟",3,"d:/test/my-errors.log"); 
?> 
<!-- php错误处理之自定义错误处理函数 --> 
<?php 
    function customError($errno, $errstr, 
        $errfile,$errline){ 
        echo "<b> Custom error:</b> [$errno] $errstr <br />"; 
        echo "Error on line $errline in $errfile<br/>"; 
        echo "Ending Script"; 
        exit; 
    } 
    set_error_handler("customError"); 
       
    $test=2; 
    if ($test > 1) { 
        trigger_error("A custom error has been triggered"); 
    } 
?>

This article introduces the error handling mechanism. For more related content, please pay attention to the PHP Chinese website.

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