stream_isatty

(PHP 7 >= 7.2.0, PHP 8)

stream_isatty — Check if a stream is a TTY

Descripción

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.

Parámetros

stream

Valores devueltos

Devuelve true en caso de éxito o false en caso de error.

Ejemplos

Ejemplo #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));"

El resultado del ejemplo sería algo similar a:

true

php -r "var_export(stream_isatty(STDERR));" 2>output.txt

El resultado del ejemplo sería algo similar a:

false

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