Detailed explanation of php die usage

php die is a function used to output a message and exit the current script. Its syntax is "die(message)". The parameter "message" specifies the message or status number written before exiting the script, and Status numbers are not written to the output.

Definition and usage

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

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

Syntax

die(message)

Parameters

message Required. Specifies the message or status number to be written before exiting the script. Status numbers are not written to the output.

Technical details

Return value: No return value.

PHP Version: 4

Example

Output a message and exit the current script:

<?php
$site = "http://www.w3cschool.cc/";
fopen($site,"r")
or die("Unable to connect to $site");
?>

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