posix_ctermid
(PHP 4, PHP 5, PHP 7, PHP 8)
Get path name of controlling terminal
Description
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()
Parameters Parameters
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
posix_ctermid() example
This example will display the path to the current TTY.
<?php
echo "I am running from ".posix_ctermid();
?>