PHP trigger_error() Function

The set_exception_handler() is an inbuilt function of PHP and is used to generates a user-level error/warning/notice message. It will returns FALSE if wrong error_type is specified, TRUE otherwise.

PHP trigger_error() function example

Example #1 trigger_error() function example

<?php

if ($usernum>10) {

trigger_error("Number cannot be larger than 10");

}

Example #2 trigger_error() function example

<?php

include('functions.php');

$x = 'test';

doFunction($x);

functions.php:

<?php

function doFunction($var) {

if(is_numeric($var)) {

/* do some stuff*/

} else {

trigger_error('var must be numeric');

}

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Prem Tiwari

An engineer by profession and a passionate blogger by heart. Founder of FreeWebMentor.com (A Programming blog for beginners), Tech Speaker at various forums. A part from this he is an open source enthusiast, WordPress Lover, Blogger, SEO, and Growth Strategic.

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PHP trigger_error() Function