What is the method of catching php errors?

The method of catching php errors is: you can use the [try{ }catch(Exception $e){echo $e->getMessage();}] statement to catch errors.

The general method used to capture errors is:

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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
}

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

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