php man page for ncurses_has_key

NCURSES_HAS_KEY(3)							 1							NCURSES_HAS_KEY(3)

ncurses_has_key - Check for presence of a function key on terminal keyboard

SYNOPSIS
       int ncurses_has_key (int  $keycode)

DESCRIPTION
       Warning

	      This  function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in
	      a future release of PHP. This function should be used at your own risk.

       Warning

	      This function is currently not documented; only its argument list is available.

PARAMETERS
	      o $keycode
		-

PHP Documentation Group 													NCURSES_HAS_KEY(3)