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");
}
?>

<?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');
}
}
?>

<?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');

}

If you like FreeWebMentor and you would like to contribute, you can write an article and mail your article to [email protected] Your article will appear on the FreeWebMentor main page and help other developers.

PHP trigger_error() Function

PHP trigger_error() function example

Recommended Posts:

webmentor