stream_isatty()
stream_isatty() — Check if a stream is a TTY.
Built-in function of PHP 8.5. The manual lists it as available in PHP 7 >= 7.2.0, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
Determines if stream stream refers to a valid terminal type device. This is a more portable version of posix_isatty(), since it works on Windows systems too.
Signature
stream_isatty(resource $stream): bool
Parameters
| Parameter | Type | What it takes |
|---|---|---|
| $stream | resource |
Return value
Returns true on success or false on failure.
Example
The PHP manual ships no example for stream_isatty(); the signature and the parameter table above are the contract.
All PHP 8.5 built-in functions
Reference card built from the PHP manual page stream_isatty() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.