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This article mainly introduces the relevant information about the detailed introduction of the error_reporting function in PHP. Friends who need it can refer to it
Detailed introduction to the usage of error_reporting function in PHP
The error_reporting function is used to handle errors in PHP. The most common one is error_reporting(E_ALL ^ E_NOTICE). What does this mean? Below we analyze the error_reporting function in detail.
Definition Usage
error_reporting(report_level)If the parameter report_level is not specified, the current error level will be returned. The following items are possible values for report_level:
Change
display
errors = Off to display_errors = OnIn addition, the error level must be configured, because PHP displays all errors by default, and we do not need some harmless prompts, so the settings are as follows:
error_reporting = E_ALL changed to error_reporting = E_ALL & ~E_NOTICE
Example of use in PHP code:
Tip: Any number of the above options can be used "or" Concatenate (with OR or |) so that all required error levels are reported. For example, the following code turns off user-defined errors and warnings, performs certain operations, and then returns to the original error level:
<?php //禁用错误报告 error_reporting(0); //报告运行时错误 error_reporting(E_ERROR | E_WARNING | E_PARSE); //报告所有错误 error_reporting(E_ALL); ?>To understand how the error_reporting function is used, see error_reporting(E_ALL ^ E_NOTICE) This code means to display all
error messages
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