rewind
rewind
(PHP 4, PHP 5, PHP 7)
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.
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 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
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.rewind.php
