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# rewind

(PHP 3, PHP 4 , PHP 5)

rewind -- Rewind the position of a file pointer

## Description

bool rewind ( resource handle )

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

成功回傳`TRUE`失敗回傳`FALSE`。

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

> 注: 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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