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(PHP 3, PHP 4, PHP 5 )

exit -- Output a message and terminate the current script

Description

void exit ( [string status] ) void exit ( int status )

The exit() function terminates execution of the script. It prints status just before exiting.

If status is an integer , that value will also be used as the exit status. Exit statuses should be in the range 0 to 254, the exit status 255 is reserved by PHP and shall not be used. The status 0 is used to terminate the program successfully.

Example 1. exit() example

<?php

$filename = '/path/to/data-file';
$file = fopen($filename, 'r')
    or exit("unable to open file ($filename)");

?>

Example 2. exit() status example

<?php

//exit program normally
exit;
exit();
exit(0);

//exit with an error code
exit(1);
exit(0376); //octal

?>

Related Function(s)

die()

register_shutdown_function()