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# umask

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

umask -- Changes the current umask

## Description

``int umask` (int mask)`

umask() sets PHP's umask to mask & 0777 and returns the old umask. When PHP is being used as a server module, the umask is restored when each request is finished.

umask() without arguments simply returns the current umask.

> Note: This function is not implemented on Windows platforms.

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