W3Schools.com

PHP error_log() Function

PHP Error Reference Complete PHP Error Reference

Definition and Usage

The error_log() function sends an error to the server error log, a file or a remote destination.

This funtion returns TRUE on success, or FALSE on failure.

Syntax

error_log(error,type,destination,headers)

Parameter Description
error Required. The error message to log
type Optional. Specifies the error log type.
Possible log types:
  • 0 - Default. The error is sent to the servers logging system or a file, depending on how the error_log configuration is set in the php.ini file
  • 1 - The error is sent by email to the address in the destination parameter. This message type is the only one that uses the headers parameter
  • 2 - The error is sent through the PHP debugging connection. This option is only available in PHP 3
  • 3 - The error is added to the file destination string
destination Optional. Specifies where to send the error message. The value of this parameter depends on the value of the "type" parameter
headers Optional. Only used if the "type" parameter is "1". Specifies additional headers, like From, Cc, and Bcc. The additional headers should be separated with a CRLF (\r\n).

Note: When sending an email, it must contain a From header. This can be set with this parameter or in the php.ini file.

Example

The following example sends an e-mail with a custom error:

<?php
$test=2;

if ($test>1)
{
error_log("A custom error has been triggered",
1,"someone@example.com","From: webmaster@example.com");
}
?>

The mail received from the code above looks like this:

A custom error has been triggered

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