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)
| Parameter | Description |
|---|---|
| status | Required. Specifies the message or status code to be written before exiting the script. The status code is not written to the output. |
Description
If status is a string, then the function will output the string before exiting.
If status The value is an integer, this value will be used as the exit status. The exit status value is 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 The parameter will not be output if it is an integer.
Example
<?php
$site = "http://www.codew3c.com/";
fopen($site,"r")
or die("Unable to connect to $site");
?>
