PHP exit() Function
Definition and Usage
The exit() function outputs a message and exits the current script.
This function is die() Alias of the function.
Syntax
exit(status)
| Parameter | 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, then 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 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 Will not output the parameter if it is an integer.
Example
<?php
$site = "http://www.codew3c.com/";
fopen($site,"r")
or exit("Unable to connect to $site");
?>
