Руководство по PHP
Пред.След.

exit

(PHP 3, PHP 4, PHP 5)

exit -- Output a message and terminate the current script

Description

void exit ( [string status] )

void exit ( int status )

Замечание: This is not a real function, but a language construct.

Замечание: PHP >= 4.2.0 does NOT print the status if it is an integer.

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.

Пример 1. exit() example

<?php

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

?>

Пример 2. exit() status example

<?php

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

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

?>

Замечание: The die() function is an alias for exit().

See also: register_shutdown_function().

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