posix_ctermid

(PHP 4, PHP 5)

posix_ctermid — Get path name of controlling terminal

Описание

string posix_ctermid ( void )

Generates a string which is the pathname for the current controlling terminal for the process. On error this will set errno, which can be checked using posix_get_last_error()

Возвращаемые значения

Upon successful completion, returns string of the pathname to the current controlling terminal. Otherwise FALSE is returned and errno is set, which can be checked with posix_get_last_error().

Примеры

Пример #1 posix_ctermid() example

This example will display the path to the current TTY.


<?php
echo "I am running from ".posix_ctermid();
?>

Смотрите также

posix_ttyname() - Determine terminal device name
posix_get_last_error() - Retrieve the error number set by the last posix function that failed

Коментарии

Apr 19

Автор: phpmanual at remove dot mark dot griffin dot email


You can write directly to the tty (screen) even when the shell has redirected output, with:



<?php

$h = fopen(posix_ctermid(), "rb+");

fwrite($h, "Testing direct output\n");

fclose($h);

?>