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# rewind

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

rewind -- Rewind the position of a file pointer

## Description

``int rewind` (int fp)`

Sets the file position indicator for fp to the beginning of the file stream.

If an error occurs, returns 0.

The file pointer must be valid, and must point to a file successfully opened by fopen().

> Note: If you have opened the file in append ("a") mode, any data you write to the file will always be appended, regardless of the file position.

See also fseek() and ftell().

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