POSIX Functions
PHP Manual

posix_ctermid

Get path name of controlling terminal

Description

stringfalse posix_ctermid()

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

This function has no 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

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

  • posix_ttyname
  • posix_get_last_error