How to customize error function in php

How to customize the error function in php: 1. Write an error handling function with fixed parameters, which is [$errno, $errstr]; 2. Set the error handling method [set_error_handler()].

How to customize error function in php:

1) Write an error handling function and name the function yourself , but the parameters are fixed, $errno, $errstr, where the former defaults to the error level, and the latter is the specific information of the error.

2) Set the error handling method. set_error_handler("The error handling function you named yourself."); In this way, all errors will be handled in the way you set. In addition, if you only control a certain type of error handling:

3) Set the error handling method. set_error_handler("The error handling function you named yourself.", some fixed constants); In this, the fixed constants are set by PHP and represent different error registrations, including: E_WARNING, E_NOTICE Wait

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