PHP header() examples
//ÓÃÕâ¸öheaderÖ¸ÁîÀ´½â¾öURLÖØÐ´²úÉúµÄ404 header
header('HTTP/1.1 200 OK');
// Ò³ÃæÃ»ÕÒµ½
header('HTTP/1.1 404 Not Found');
// ·ÃÎÊÊÜÏÞ
header('HTTP/1.1 403 Forbidden');
// The page moved permanently should be used for
// all redrictions, because search engines know
// what's going on and can easily update their urls.
//Ò³Ãæ±»ÓÀ¾Ãɾ³ý£¬¿ÉÒÔ¸æËßËÑË÷ÒýÇæ¸üÐÂËüÃǵÄurls
//PS:µÚÒ»´ÎÅöµ½Õâ¸öÖ¸Á²»ÖªµÀÄܲ»ÄÜÓÃÀ´°Ñ×Ô¼ºµÄÕ¾µã´ÓËÑË÷ÒýÇæÖÐɾ³ýÄØ£¿
header('HTTP/1.1 301 Moved Permanently');
// ·þÎñÆ÷´íÎó
header('HTTP/1.1 500 Internal Server Error');
// ÖØ¶¨Ïòµ½Ò»¸öеÄλÖÃ
header('Location: http://www.example.org/');
// ÑÓ³ÙÒ»¶Îʱ¼äºóÖØ¶¨Ïò
header('Refresh: 10; url=http://www.example.org/');
print 'You will be redirected in 10 seconds';
// Ò²¿ÉÒÔʹÓÃHTMLÓï·¨À´ÊµÏÖÑÓ³Ù
// zip"');
header('Content-Transfer-Encoding: binary');
// ¼ÓÔØÒªÏÂÔØµÄÎļþ:
readfile('example.zip');
// ½ûÖ¹»º´æµ±Ç°Îĵµ:&n
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mysql_query('select * from users');
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<?php
$link1 = mysql_connect('localhost1','root','root');
mysql ......
<?
require ("config.php3");
?>
<?
if($submit)
{
//echo $action;
//if($action=='update') &nb ......