posix_initgroups
posix_kill
POSIX Функции
PHP Manual

# posix_isatty

(PHP 4, PHP 5)

posix_isatty — Determine if a file descriptor is an interactive terminal

### Описание

bool posix_isatty ( int `$fd` )

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

### Список параметров

`fd`

  The file descriptor.

### Возвращаемые значения

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

### Смотрите также

- posix_ttyname()

posix_initgroups
posix_kill
POSIX Функции
PHP Manual