How to enable error prompts in php

How to enable error prompts in php: You can directly use the ini_set() function to enable it. [ini_set("display_errors", "On")] means turning on error prompts; [ini_set("error_reporting",E_ALL)] means displaying all errors.

Generally we do not modify the php.ini file directly. You can add the following two lines of code to the php file:

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ini_set("display_errors", "On");//打开错误提示
ini_set("error_reporting",E_ALL);//显示所有错误

The most common settings of error_reporting:

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E_ALL （显示所有错误，警告和通知，包括编码标准。）
E_ALL & ~E_NOTICE  （显示所有错误，通知除外）
E_ALL & ~E_NOTICE & ~E_STRICT  显示所有错误，通知和编码标准警告除外。）
E_COMPILE_ERROR|E_RECOVERABLE_ERROR|E_ERROR|E_CORE_ERROR  （仅显示错误）

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