How to catch errors in php

How to catch errors in php: 1. Use the "try catch" statement to catch errors; 2. Use the "set_exception_handler" method to catch errors, which is used to set user-defined exception handling functions.

PHP error capture processing

The general method used to capture errors is:

try{
　　...
}catch(Exception $e){
　　echo $e->getMessage();
}

or

set_exception_handler(function ($exception) {
　　echo $exception->getMessage();
});

Example:

';
        echo $exception->getMessage();//参数错误
    });
    test();
}catch(Exception $e){
    echo $e->getMessage();//参数错误
}

set_exception_handler - Set a user-defined exception handling function for exceptions that are not caught with try/catch blocks.

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