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index.php
<?php
include_once('a.php');
session_start();
$_SESSION['k'] = uniqid();
setcookie("sess", session_id(), time()+3600, "/", ".ipggg.com");
echo "index.php<br />\n";
echo $_SESSION['k'].'<br />';
echo "<mce:script src="http://www.ipggg.com/test/b.php" mce_src="http://www.ipggg.com/test/b.php"></mce:script>";
var_dump($_COOKIE);
echo "<br />\n";
?>
    
a.php
<?php
header('Content-type: text/html; charset=utf8');
/*
ÎÒ×¢Ê͵ôP3P»¹ÊÇ¿ÉÒÔ£¬ÄѵÀÊÇÒòΪÎÒRPÌ«¸ß£¿£¡
ÓÃIE7»òÕß»ðºü¶¼¿ÉÒÔ·ÃÎʵ½Öµ£»
ʹÓû·¾³Vista home + xampp-win32-1.7.1Ì××°
*/
//header('P3P: CP="CURa ADMa DEVa PSAo PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"');
/* memory_limitÊÇÉèÖÃPHPʹÓÃÄÚ´æÊ±¿Õ¼ä£¬Ò»°ãÉèÖÃΪÄÚ´æµÄËÄ·ÖÖ®Ò»£¬Ó¦¸Ã¾Í²é²»¶àÁË¡£ */
@ini_set('memory_limit', '64M');
/* Ö¸¶¨»á»°Ä£¿éÊÇ·ñÔÚÇëÇó¿ªÊ¼Ê±×Ô¶¯Æô¶¯Ò»¸ö»á»°¡£Ä¬ÈÏΪ 0£¨²»Æô¶¯£©¡£ */
@ini_set('session.auto_start', 0);
/* ÒÔ·ÖÖÓÊýÖ¸¶¨»º³åµÄ»á»°Ò³ÃæµÄ´æ»îÆÚ£¬´ËÉ趨¶Ô nocache »º³å¿ØÖÆ·½·¨ÎÞЧ¡£Ä¬ÈÏΪ180 */
@ini_set('session.cache_expire', 180);
/* Ö¸¶¨ÊÇ·ñÆôÓÃ͸Ã÷ SID Ö§³Ö¡£Ä¬ÈÏΪ 0£¨½ûÓã©¡£
°üº¬×ŻỰÃûÒÔ¼°»á»° ID µÄ³£Á¿£¬¸ñʽΪ "name=ID"£¬»òÕßÈç¹û»á»° ID ÒѾ­ÔÚÊʵ±µÄ»á»° cookie ÖÐÉ趨ʱÔòΪ¿Õ×Ö·û´®¡£ */
@ini_set('session.use_trans_sid', 0);
/* Ö¸¶¨ÊÇ·ñÔÚ¿Í»§¶ËÓà cookie À´´æ·Å»á»° ID¡£Ä¬ÈÏΪ 1£¨ÆôÓã©¡£ */
@ini_set('session.use_cookies', 0);
/* ±êÖ¾×Å×÷Ϊ·ÃÎʵÄCookieÖ»ÄÜͨ¹ýHTTPЭÒé¡£²»¹ýʹÓÃAJAXÓÃPHP·ÃÎʾͿɣ¬´¿JavaScriptÎÞЧ£¡Ö»ÄÜ·À·¶Ò»µãµã£¬¶øÇÒ²»ÊÇËùÓÐä¯ÀÀÆ÷¶¼Ö§³Ö¡£ */
@ini_set("session.cookie_httponly", 1);
/* Õâ¸öÓ¦¸Ã²»Óöà˵£¬PHP´íÎó¿ª¹Ø */
@ini_set('display_errors', 1);
?>

b.php
<?php
include_once('a.php');
session_id($_COOKIE['sess']);
session_start();
setcookie("test", $_SESSION['k'], time()+3600, "/", ".ipggg.com");
?>

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