0
<?php
chdir('../../../../');
include('bootstrap.php');
$place = isset($_GET['place']) ? (is_array($_GET['place'])) ? intval($_GET['place'][0]) : intval($_GET['place']) : null;
$query = mysql_query("SELECT `place`, `image`, `imagetype` FROM `topvideo` WHERE `place` = '" . $place . "'");
if (mysql_num_rows($query))
{
while ($row = mysql_fetch_array($query))
{
$im = imagecreatefromstring($row['image']);
if ($im !== false)
{
header('Cache-Control: public, proxy-revalidate');
header('Last-Modified:Mon, 02 Nov 2009 09:50:18 GMT');
header('Expires: ' . gmdate ("D, d M Y H:i:s", time() + 60 * 60 * 24 * 24 . ' GMT');
header('Content-Type: image/jpeg');
imagejpeg($im);
imagedestroy($im);
}
}
}
响应总是200,但我需要将图像缓存2天,响应为304 ....为什么? 对不起,因为英文不好Apache/PHP缓存头问题
*“答案永远是200” *那么是什么问题?更严重的一点是,它不是[2xx成功](http://en.wikipedia.org/wiki/List_of_HTTP_status_codes#2xx_Success)。您是否使用工具查看完整标题? – jensgram 2010-11-08 11:45:25
@jensgram我想要一个304缓存...我在Firefox中使用篡改数据 – Isis 2010-11-08 11:51:35