(PHP 4, PHP 5)
rewind — Rewind the position of a file pointer
$handle
)
Sets the file position indicator for handle
to the beginning of the file stream.
Informacja:
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.
handle
The file pointer must be valid, and must point to a file successfully opened by fopen().
Zwraca TRUE w przypadku powodzenia, FALSE w
przypadku błędu.
Przykład #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);
?>
Powyższy przykład wyświetli coś podobnego do:
Foolly long sentence.