Php/docs/function.rewind

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rewind

(PHP 4, PHP 5, PHP 7)

rewindRewind the position of a file pointer


Description

rewind ( resource $handle ) : bool

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

Note:

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

Parameters

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


Return Values

Returns TRUE on success or FALSE on failure.


Examples

Example #1 rewind() overwriting example

<?php$handle = fopen('output.txt', 'r+');fwrite($handle, 'Really long sentence.');rewind($handle);fwrite($handle, 'Foo');rewind($handle);echo fread($handle, filesize('output.txt'));fclose($handle);?>

The above example will output something similar to:


Foolly long sentence.

See Also

  • fread() - Binary-safe file read
  • fseek() - Seeks on a file pointer
  • ftell() - Returns the current position of the file read/write pointer
  • fwrite() - Binary-safe file write