exit
(PHP 4, PHP 5)
exit — Output a message and terminate the current script
Описание
Terminates execution of the script.
Список параметров
- status
-
If status is a string, this function prints the 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.
Замечание: PHP >= 4.2.0 does NOT print the status if it is an integer.
Возвращаемые значения
Эта функция не возвращает значения после выполнения.
Примеры
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
?>
Примечания
Замечание: Поскольку это языковая конструкция, а не функция, она не может вызываться при помощи переменных функций
Замечание: This language construct is equivalent to die().
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