(PHP 4, PHP 5, PHP 7, PHP 8)
posix_isatty — Determine if a file descriptor is an interactive terminal
Determines if the file descriptor file_descriptor
refers to a valid terminal type device.
Returns true
if file_descriptor
is an open descriptor connected to a terminal and false
otherwise.
Version | Description |
---|---|
8.3.0 | Type error E_WARNING s are now raised for integer coercions following the usual PHP type coercion semantics. |