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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [stream_isatty]

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PHP Manual || Stream Functions

(PHP 7 >= 7.2.0)

stream_isattyCheck if a stream is a TTY

Description

stream_isatty ( resource $stream ) : bool

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.

Parameters

stream

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 stream_isatty() example

This command can be used to determine if a standard output / standard error stream is redirected to a file.

php -r "var_export(stream_isatty(STDERR));"


PHP Manual || Stream Functions