(PHP 4, PHP 5, PHP 7, PHP 8)
rewind — Rewind the position of a file pointer
$stream
): bool
Sets the file position indicator for stream
to the beginning of the file stream.
Note:
If you have opened the file in append ("a" or "a+") mode, any data you write to the file will always be appended, regardless of the file pointer position.
stream
The file pointer must be valid, and must point to a file successfully opened by fopen().
Returns true
on success or false
on failure.
Example #1 rewind() overwriting example
<?php$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.