php 开启报错

2024-08-30 05:48:07

// 开启报错提醒
ini_set("display_errors", "On");
error_reporting(E_ALL | E_STRICT);

// 某一段代码查找异常

<?php

//创建可抛出一个异常的函数

function checkNum($number)

 {

 if($number>1)

  {

  throw new Exception("Value must be 1 or below");

  }

 return true;

 }

//在 "try" 代码块中触发异常

try

 {

 checkNum(2);

 //If the exception is thrown, this text will not be shown

 echo 'If you see this, the number is 1 or below';

 }

//捕获异常

catch(Exception $e)

 {

 echo 'Message: ' .$e->getMessage();

 }

?>

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