通锟斤拷为每锟斤拷锟斤拷锟斤拷锟矫伙拷锟斤拷锟斤拷唯一锟侥会话 ID锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷圆锟酵拷没锟斤拷直锟芥储锟斤拷锟捷的癸拷锟杰★拷 锟结话通锟斤拷锟斤拷锟斤拷锟斤拷锟节讹拷锟揭筹拷锟斤拷锟斤拷锟街拷浔ｏ拷婕帮拷锟斤拷锟斤拷锟较拷锟� 一锟斤拷锟斤拷说锟斤拷锟结话 ID 通锟斤拷 cookie 锟侥凤拷式锟斤拷锟酵碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诜锟斤拷锟斤拷锟斤拷锟揭诧拷锟酵拷锟斤拷峄� ID 锟斤拷取锟截会话锟叫碉拷锟斤拷锟捷★拷 锟斤拷锟斤拷锟斤拷锟斤拷胁锟斤拷锟斤拷锟斤拷峄� ID 锟斤拷息锟斤拷锟斤拷么 PHP 锟酵会创锟斤拷一锟斤拷锟铰的会话锟斤拷锟斤拷为锟铰达拷锟斤拷锟侥会话锟斤拷锟斤拷锟铰碉拷 ID锟斤拷
锟结话锟侥癸拷锟斤拷锟斤拷锟教很简单★拷锟斤拷锟斤拷始一锟斤拷锟结话时锟斤拷PHP 锟结尝锟皆达拷锟斤拷锟斤拷锟叫诧拷锟揭会话 ID 锟斤拷通锟斤拷通锟斤拷锟结话 cookie锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷胁锟斤拷锟斤拷锟斤拷峄� ID 锟斤拷息锟斤拷PHP 锟酵会创锟斤拷一锟斤拷锟铰的会话锟斤拷 锟结话锟斤拷始之锟斤拷PHP 锟酵会将锟结话锟叫碉拷锟斤拷锟斤拷锟斤拷锟矫碉拷 $_SESSION 锟斤拷锟斤拷锟叫★拷 锟斤拷 PHP 停止锟斤拷时锟斤拷锟斤拷锟斤拷锟皆讹拷锟斤拷取 $_SESSION 锟叫碉拷锟斤拷锟捷ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谢锟斤拷锟� 然锟斤拷锟酵革拷锟结话锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斜锟斤拷妗�
默锟斤拷锟斤拷锟斤拷拢锟絇HP 使锟斤拷锟斤拷锟矫碉拷锟侥硷拷锟结话锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�files锟斤拷锟斤拷锟斤拷苫峄帮拷谋锟斤拷妗�
也锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷 session.save_handler 锟斤拷锟睫革拷锟斤拷要锟斤拷锟矫的会话锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟侥硷拷锟结话锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷峤拷峄帮拷锟斤拷荼锟斤拷娴斤拷锟斤拷锟斤拷锟�
session.save_path 锟斤拷指锟斤拷锟斤拷位锟矫★拷
锟斤拷锟斤拷通锟斤拷锟斤拷锟矫猴拷锟斤拷 session_start() 锟斤拷锟街讹拷锟斤拷始一锟斤拷锟结话锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟� session.auto_start 锟斤拷锟斤拷为1锟斤拷
锟斤拷么锟斤拷锟斤拷始锟斤拷时锟津，会话锟斤拷锟皆讹拷锟斤拷始锟斤拷
PHP 锟脚憋拷执锟斤拷锟斤拷锟街拷螅峄帮拷锟斤拷远锟斤拷乇铡锟� 同时锟斤拷也锟斤拷锟斤拷通锟斤拷锟斤拷锟矫猴拷锟斤拷 session_write_close() 锟斤拷锟街讹拷锟截闭会话锟斤拷
Example #1 锟斤拷 $_SESSION 锟斤拷注锟斤拷锟斤拷锟斤拷锟�
<?php
session_start();
if (!isset($_SESSION['count'])) {
$_SESSION['count'] = 0;
} else {
$_SESSION['count']++;
}
?>
Example #2 锟斤拷 $_SESSION 锟叫凤拷注锟斤拷锟斤拷锟斤拷锟�
<?php
session_start();
unset($_SESSION['count']);
?>
千锟斤拷要使锟斤拷 unset($_SESSION) 锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷 $_SESSION锟斤拷 锟斤拷为锟斤拷锟斤拷锟结导锟斤拷锟睫凤拷锟斤拷锟斤拷锟斤拷 $_SESSION 锟斤拷注锟斤拷峄帮拷锟斤拷锟斤拷锟�
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锟斤拷锟斤拷峄帮拷写锟斤拷诤锟饺拷直锟斤拷锟酵拷锟斤拷谋锟斤拷锟斤拷锟斤拷锟矫� register_globals 锟结导锟斤拷全锟街憋拷锟斤拷锟斤拷锟结话锟斤拷锟斤拷锟斤拷锟角★拷 锟斤拷锟斤拷锟斤拷息锟斤拷慰锟� 注锟斤拷全锟街憋拷锟斤拷锟斤拷
Note:
锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟矫猴拷锟斤拷 session_start() 锟街讹拷锟斤拷锟斤拷锟结话锟斤拷 锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷 session.auto_start 锟皆讹拷锟斤拷锟斤拷锟结话锟斤拷 锟斤拷锟节伙拷锟斤拷锟侥硷拷锟侥会话锟斤拷锟捷憋拷锟芥（PHP 锟斤拷默锟斤拷锟斤拷为锟斤拷锟斤拷锟皆ｏ拷 锟节会话锟斤拷始锟斤拷时锟津都伙拷锟斤拷峄帮拷锟斤拷锟斤拷募锟斤拷锟斤拷锟斤拷锟� 直锟斤拷 PHP 锟脚憋拷执锟斤拷锟斤拷匣锟斤拷锟斤拷锟绞斤拷锟斤拷锟� session_write_close() 锟斤拷锟斤拷锟斤拷峄帮拷锟斤拷荨锟� 锟节达拷锟节间，锟斤拷锟斤拷锟脚憋拷锟斤拷锟斤拷锟皆凤拷锟斤拷同一锟斤拷锟结话锟斤拷锟斤拷锟侥硷拷锟斤拷
锟斤拷锟节达拷锟斤拷使锟斤拷 Ajax 锟斤拷锟竭诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟秸撅拷锟斤拷裕锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟截碉拷锟斤拷锟解。 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷虻サ锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟睫革拷锟剿会话锟叫的憋拷锟斤拷锟斤拷 锟斤拷么应锟矫撅拷锟斤拷锟斤拷锟� session_write_close() 锟斤拷锟斤拷锟斤拷峄帮拷锟斤拷莶锟斤拷头锟斤拷募锟斤拷锟斤拷锟� 锟斤拷锟斤拷一锟斤拷选锟斤拷锟斤拷锟绞癸拷锟街э拷植锟斤拷锟斤拷锟斤拷锟斤拷幕峄帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷募锟斤拷峄帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷