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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

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