(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 |
|---|---|
| 8.4.0 |
Set errno (error number) to EBADF when the
file descriptor/stream passed is invalid.
|
| 8.3.0 |
Type error E_WARNINGs are now raised for integer
coercions following the usual PHP type coercion semantics.
|