posix_isatty
posix_isatty
(PHP 4, PHP 5, PHP 7)
posix_isatty — Determine if a file descriptor is an interactive terminal
Description
bool posix_isatty ( mixed $fd )
Determines if the file descriptor fd
refers to a valid terminal type device.
Parameters
Return Values
Returns TRUE
if fd
is an open descriptor connected to a terminal and FALSE
otherwise.
See Also
- posix_ttyname() - Determine terminal device name
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.posix-isatty.php