w3schools
  
HOME HTML CSS XML JAVASCRIPT ASP PHP SQL MORE...   References Examples Forum About

PHP Basic

PHP HOME
PHP Intro
PHP Install
PHP Syntax
PHP Variables
PHP String
PHP Operators
PHP If...Else
PHP Switch
PHP Arrays
PHP While Loops
PHP For Loops
PHP Functions
PHP Forms
PHP $_GET
PHP $_POST

PHP Advanced

PHP Date
PHP Include
PHP File
PHP File Upload
PHP Cookies
PHP Sessions
PHP E-mail
PHP Secure E-mail
PHP Error
PHP Exception
PHP Filter

PHP Database

MySQL Introduction
MySQL Connect
MySQL Create
MySQL Insert
MySQL Select
MySQL Where
MySQL Order By
MySQL Update
MySQL Delete
PHP ODBC

PHP XML

XML Expat Parser
XML DOM
XML SimpleXML

PHP and AJAX

AJAX Introduction
XMLHttpRequest
AJAX Suggest
AJAX XML
AJAX Database
AJAX responseXML
AJAX Live Search
AJAX RSS Reader
AJAX Poll

PHP Reference

PHP Array
PHP Calendar
PHP Date
PHP Directory
PHP Error
PHP Filesystem
PHP Filter
PHP FTP
PHP HTTP
PHP Libxml
PHP Mail
PHP Math
PHP Misc
PHP MySQL
PHP SimpleXML
PHP String
PHP XML
PHP Zip

PHP Quiz

PHP Quiz
PHP Exam

PHP user_error() Function


PHP Error Reference Complete PHP Error Reference

Definition and Usage

The user_error() function creates a user-defined error message.

The user_error() function is used to trigger an error message at a user-specified condition. It can be used with the built-in error handler, or with a user defined function set by the set_error_handler() function.

This function is useful when you need a user-defined message to a specified condition when running a script runtime.

This function returns FALSE if a non valid error type is specified, and TRUE otherwise.

This function is an alias of the trigger_error() function.

Syntax

user_error(error_message,error_types)

Parameter Description
error_message Required. Specifies the error message. Limited to 1024 characters in length
error_types Optional. Specifies the error type for this error message.

Possible error types:

  • E_USER_ERROR - Fatal user-generated run-time error. Errors that can not be recovered from. Execution of the script is halted
  • E_USER_WARNING - Non-fatal user-generated run-time warning. Execution of the script is not halted
  • E_USER_NOTICE - Default. User-generated run-time notice. The script found something that might be an error, but could also happen when running a script normally


Example

<?php
$test=2;
if ($test>1)
{
user_error("A custom error has been triggered");
}
?>

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

Notice: A custom error has been triggered
in C:\webfolder\test.php on line 6


PHP Error Reference Complete PHP Error Reference

Make your web applications look like a million bucks

FusionCharts   

Most web applications today use boring methods to present data to their viewers using grids or simple HTML tables. FusionCharts induces "life" into the web applications by converting monotonous data into lively charts, gauges & maps.

FusionCharts works with all technologies like ASP, ASP.NET, PHP, ColdFusion, Ruby on Rails, JSP, HTML pages etc. and connects to any database to render animated & interactive charts. It takes less than 15 minutes and no expertise whatsoever to build your first chart and just a glance of it to captivate your audience. This fact is endorsed by our 12,000 customers and 150,000 users which include a majority of the Fortune 500 companies. And yeah, your applications could look like a million bucks by spending just $69.

So go ahead, download your copy of FusionCharts and start "wow-ing" your customers now!



W3Schools Certification

W3Schools' Online Certification Program

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

More than 4000 certificates already issued!

The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.

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

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
Top 10 Web Hosting
UK Reseller Hosting
Web Hosting
FREE Web Hosting
Top Web Hosting
Windows Hosting
WEB BUILDING
XML Editor – Free Trial!
FREE Flash Website
FREE Web Templates
FLIGHT TICKETS
Find the cheapest flight
to any destination now!
EDUCATION
US Web Design Schools
HTML Certification
JavaScript Certification
XML Certification
PHP Certification
ASP Certification
STATISTICS
Browser Statistics
Browser OS
Browser Display