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posix_ctermid

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_ctermidGet path name of controlling terminal

Descrição

posix_ctermid(): string|false

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()

Parâmetros

Esta função não possui parâmetros.

Valor Retornado

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().

Exemplos

Exemplo #1 posix_ctermid() example

This example will display the path to the current TTY.

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

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User Contributed Notes 1 note

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phpmanual at remove dot mark dot griffin dot email
5 years ago
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);
?>
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