How to use die function in php

The die function in php is used to output a message and exit the current script. Its usage is as follows: [die(“unable to connect to xxx”)].

The operating environment of this article: windows10 system, php 7.3, thinkpad t480 computer.

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

Function syntax:

die(message)

The message parameter is required and specifies the message or status number to be written before exiting the script. Status numbers are not written to the output.

A simple example:

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

Related video sharing: Programming video

The above is the detailed content of How to use die function in php. For more information, please follow other related articles on the PHP Chinese website!