posix_isatty
Determine if a file descriptor is an interactive terminal
Description
bool posix_isatty(resourceint $file_descriptor)
Parameters
-
file_descriptor
-
The file descriptor, which is expected to be either a file
resource or an int. An int
will be assumed to be a file descriptor that can be passed directly to
the underlying system call.
Return Values
Returns true if file_descriptor is an open descriptor connected
to a terminal and false otherwise.
See Also
- posix_ttyname
- stream_isatty