PHP error handling functions - error_log()

Last update on August 19 2022 21:51:14 (UTC/GMT +8 hours)

Description

The error_log() function is used to send an error message to the web server's error log, a TCP port or to a file.

Version:

PHP 5

Syntax:

error_log(message, message_type, destination , extra_headers)

Parameters:

Parameters	Description	Required / Optional	Type
message	The error message that should be logged.	required	string
message_type	Specifies where the error should go : 1 - Message is sent to the php's system logger 2- Message is sent to the email address specified in the destination. 3 - If remote debugging is enabled, then only it works and sends the message through the PHP debugging connection. 4 - Message is appended to the file specified in the destination.	optional	integer
destination	Specifies the location (email address or file ) where the message shall go	optional	resource
extra_headers	The extra headers used only when value of message_type is 1.	optional	string

Return Values:

Returns true on success and false on failure.

Example:

<?php
$filename = '/php/error-log-example.php';if (!file_exists($filename))
{    error_log("Server does not contain the intended file",1,"[email protected]","From: [email protected]");error_log("file not found!", 3, "/logs/w3r-errors.log");}
?>

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