posix_isatty

(PHP 4, PHP 5)

posix_isatty — Determine if a file descriptor is an interactive terminal

bool posix_isatty ( int $fd )

Determines if the file descriptor fd refers to a valid terminal type device.

Returns TRUE if fd is an open descriptor connected to a terminal and FALSE otherwise.


	PHP5中文手册 posix_initgroups posix_kill POSIX PHP Manual posix_isatty (PHP 4, PHP 5) posix_isatty — Determine if a file descriptor is an interactive terminal 说明 bool posix_isatty ( int `$fd` ) Determines if the file descriptor `fd` refers to a valid terminal type device. 参数 `fd` The file descriptor. 返回值 Returns `TRUE` if `fd` is an open descriptor connected to a terminal and `FALSE` otherwise. 参见 posix_ttyname() posix_initgroups posix_kill POSIX PHP Manual