W3Schools.com

PHP set_exception_handler() Function

PHP Error Reference Complete PHP Error Reference

Definition and Usage

The set_exception_handler() function sets a user-defined function to handle exceptions.

This function is used to create a way of handling exceptions during runtime.

This function returns the old exception handler, or NULL on failure or if no previous handler is defined.

Syntax

set_exception_handler(exception_function)

Parameter Description
exception_function Required. Specifies the function to be called when an uncaught exception occurs.

This function must be defined before calling the set_exception_handler() function. The exception handler function requires one parameter, which is the exception object that was thrown

Tips and Notes

Tip: The script will stop executing after the exception handler is called.

Example

<?php
function myException($exception)
{
echo "<b>Exception:</b> " , $exception->getMessage();
}

set_exception_handler('myException');

throw new Exception('Uncaught Exception occurred');
?>

The output of the code above should be something like this:

Exception: Uncaught Exception occurred

PHP Error Reference Complete PHP Error Reference
W3Schools Certification

W3Schools' Online Certification

The perfect solution for professionals who need to balance work, family, and career building.

More than 10 000 certificates already issued!

Get Your Certificate »

The HTML Certificate documents your knowledge of HTML.

The CSS Certificate documents your knowledge of advanced CSS.

The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.

The jQuery Certificate documents your knowledge of jQuery.

The XML Certificate documents your knowledge of XML, XML DOM and XSLT.

The ASP Certificate documents your knowledge of ASP, SQL, and ADO.

The PHP Certificate documents your knowledge of PHP and SQL (MySQL).

WEB HOSTING
Best Web Hosting
PHP MySQL Hosting
Best Hosting Coupons
UK Reseller Hosting
Cloud Hosting
Top Web Hosting
$7.95/mo SEO Hosting
Premium Website Design
WEB BUILDING
Download XML Editor
FREE Website BUILDER
Free Website Templates Free CSS Templates
Make Your Own Website
W3SCHOOLS EXAMS
Get Certified in:
HTML, CSS, JavaScript, XML, PHP, and ASP
W3SCHOOLS BOOKS
New Books:
HTML, CSS
JavaScript, and Ajax
STATISTICS
Browser Statistics
Browser OS
Browser Display
SHARE THIS PAGE