PHP Functions Essential Reference

exit

void exit([mixed return_value]) 

Exits the current script.

Returns:

Null

Description:

exit() is used to stop the execution of the current script. If an argument is passed to exit(), this value is returned by the script when it exits. See the following

examples.

Availability:

UNIX/Linux, Windows

Version:

3+, 4+

See also:

To exit the current script and display a message:

die() 

Examples:

Use exit() to exit a script

<?php $file = 'some-nonxistent-file.txt'; $fp = fopen ($file, 'r') or exit (); ?>

Use exit() to return the exit value of a PHP script

// Save this script and then run it from the command line // i.e. php -f exit.php // Alternatively, call the script from within another PHP script // using the program execution functions // ...