PHP die() Function

Definition and Usage

The die() function outputs a message and exits the current script.

This function is exit() Alias of the function.

Syntax

die(status)
Parameters Description
status Required. Specifies the message or status number to be written before exiting the script. The status number will not be written to the output.

Description

If status If it is a string, the function will output the string before exiting.

If status If it is an integer, this value will be used as the exit status. The exit status values are between 0 and 254. Exit status 255 is reserved by PHP and will not be used. Status 0 is used to successfully terminate the program.

Tips and Comments

Note:If the PHP version number is greater than or equal to 4.2.0, then in status If the parameter is an integer, it will not output the parameter.

Example

<?php
$site = "http://www.codew3c.com/";
fopen($site,"r")
or die("Unable to connect to $site");
?>