(PHP 4, PHP 5, PHP 7)
rewind — 锟斤拷锟斤拷锟侥硷拷指锟斤拷锟轿伙拷锟�
$handle
) : bool
锟斤拷 handle 锟斤拷锟侥硷拷位锟斤拷指锟斤拷锟斤拷为锟侥硷拷锟斤拷锟侥匡拷头锟斤拷
Note:
锟斤拷锟斤拷锟斤拷募锟斤拷愿锟斤拷樱锟�"a" 锟斤拷锟斤拷 "a+"锟斤拷模式锟津开ｏ拷写锟斤拷锟侥硷拷锟斤拷锟轿猴拷锟斤拷锟斤拷锟斤拷锟角会被锟斤拷锟斤拷锟节猴拷锟芥，锟斤拷锟斤拷锟侥硷拷指锟斤拷锟轿伙拷谩锟�
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
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);
?>
锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�
Foolly long sentence.