Php/docs/function.rewind
From Get docs
rewind
(PHP 4, PHP 5, PHP 7)
rewind — Rewind 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.