PHP basics six error handling

The content of this article is about error handling of PHP Basics Six, which has a certain reference value. Now I share it with everyone. Friends in need can refer to it

<!-- 错误处理 -->
<?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");
    }
?>

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