posix_ctermid

(PHP 4, PHP 5, PHP 7)

posix_ctermid — Get path name of controlling terminal

Description

posix_ctermid ( void ) : string

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()

Return Values

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().

Examples

Example #1 posix_ctermid() example

This example will display the path to the current TTY.

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

See Also