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