{"id":537,"date":"2010-10-26T15:07:53","date_gmt":"2010-10-26T15:07:53","guid":{"rendered":""},"modified":"2010-10-26T15:07:53","modified_gmt":"2010-10-26T15:07:53","slug":"537","status":"publish","type":"post","link":"https:\/\/www.poloo.org\/?p=537","title":{"rendered":"php\u4e2dsession\u7684\u7528\u6cd5"},"content":{"rendered":"<p>PHP\u4e2d\u7684session\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u4f7f\u7528\u5ba2\u6237\u7aef\u7684Cookie\u3002\u5f53\u5ba2\u6237\u7aef\u7684Cookie\u88ab\u7981\u7528\u65f6\uff0c\u4f1a\u81ea\u52a8\u901a\u8fc7Query_String\u6765\u4f20\u9012\u3002 <br \/>Php\u5904\u7406\u4f1a\u8bdd\u7684\u51fd\u6570\u4e00\u5171\u670911\u4e2a\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0b\u5c06\u8981\u7528\u5230\u51e0\u4e2a\u51fd\u6570\u3002 <br \/>1\u3001 session_start <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u5f00\u59cb\u4e00\u4e2a\u4f1a\u8bdd\u6216\u8005\u8fd4\u56de\u5df2\u7ecf\u5b58\u5728\u7684\u4f1a\u8bdd\u3002 <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session_start(void); <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u6ca1\u6709\u53c2\u6570\uff0c\u4e14\u8fd4\u56de\u503c\u5747\u4e3atrue\u3002\u6700\u597d\u5c06\u8fd9\u4e2a\u51fd\u6570\u7f6e\u4e8e\u6700\u5148\uff0c\u800c\u4e14\u5728\u5b83\u4e4b\u524d\u4e0d\u80fd\u6709\u4efb\u4f55\u8f93\u51fa\uff0c\u5426\u5219\u4f1a\u62a5\u8b66\uff0c\u5982\uff1aWarning: Cannot send session cache limiter &#8211; headers already sent (output started at \/usr\/local\/apache\/htdocs\/cga\/member\/1.php:2) in \/usr\/local\/apache\/htdocs\/cga\/member\/1.php on line 3 <br \/>2\u3001 session_register <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u767b\u8bb0\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\u4e3a\u4f1a\u8bdd\u53d8\u91cf <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session_register(string name); <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c\u3002 <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u662f\u5728\u5168\u5c40\u53d8\u91cf\u4e2d\u589e\u52a0\u4e00\u4e2a\u53d8\u91cf\u5230\u5f53\u524d\u7684SESSION\u4e2d\uff0c\u53c2\u6570name\u5c31\u662f\u60f3\u8981\u52a0\u5165\u7684\u53d8\u91cf\u540d\uff0c\u6210\u529f\u5219\u8fd4\u56de\u903b\u8f91\u503ctrue\u3002\u53ef\u4ee5\u7528$_SESSION[name]\u6216$HTTP_SESSION_VARS[name]\u7684\u5f62\u5f0f\u6765\u53d6\u503c\u6216\u8d4b\u503c\u3002 <br \/>3\u3001 session_is_registered <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u68c0\u67e5\u53d8\u91cf\u662f\u5426\u88ab\u767b\u8bb0\u4e3a\u4f1a\u8bdd\u53d8\u91cf\u3002 <br \/>\u51fd\u6570\u539f\u578b\uff1aboobean session_is_registered(string name); <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u53ef\u68c0\u67e5\u5f53\u524d\u7684session\u4e4b\u4e2d\u662f\u5426\u5df2\u6709\u6307\u5b9a\u7684\u53d8\u91cf\u6ce8\u518c\uff0c\u53c2\u6570name\u5c31\u662f\u8981\u68c0\u67e5\u7684\u53d8\u91cf\u540d\u3002\u6210\u529f\u5219\u8fd4\u56de\u903b\u8f91\u503ctrue\u3002 <br \/>4\u3001 session_unregister <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u5220\u9664\u5df2\u6ce8\u518c\u7684\u53d8\u91cf\u3002 <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session_session_unregister(string name); <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u5728\u5f53\u524d\u7684session\u4e4b\u4e2d\u5220\u9664\u5168\u5c40\u53d8\u91cf\u4e2d\u7684\u53d8\u91cf\u3002\u53c2\u6570name\u5c31\u662f\u6b32\u5220\u9664\u7684\u53d8\u91cf\u540d\uff0c\u6210\u529f\u5219\u8fd4\u56detrue. <br \/>5\u3001 Session_destroy <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u7ed3\u675f\u5f53\u524d\u7684\u4f1a\u8bdd\uff0c\u5e76\u6e05\u7a7a\u4f1a\u8bdd\u4e2d\u7684\u6240\u6709\u8d44\u6e90\u3002 <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session destroy(void); <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c\u3002 <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u7ed3\u675f\u5f53\u524d\u7684session\uff0c\u6b64\u51fd\u6570\u6ca1\u6709\u53c2\u6570\uff0c\u4e14\u8fd4\u56de\u503c\u5747\u4e3atrue <br \/>\u4e0a\u9762\u4ecb\u7ecd\u51fd\u6570\u4e0b\u6587\u5c06\u4f1a\u7528\u5230\uff0c\u4f46\u8fd8\u6709\u4e00\u4e9b\u6709\u5173session\u7684\u51fd\u6570\u4e5f\u4ecb\u7ecd\u4e00\u4e0b\uff1a <br \/>6\u3001 session_encode <br \/>\u51fd\u6570\u529f\u80fd\uff1asesssion\u4fe1\u606f\u7f16\u7801 <br \/>\u51fd\u6570\u539f\u578b\uff1astring session_encode(void); <br \/>\u8fd4\u56de\u503c\uff1a\u5b57\u7b26\u4e32 <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u5168\u5c40\u53d8\u91cf\u4e2d\u5404\u53d8\u91cf\u7684\u540d\u79f0\u4e0e\u503c\uff0c\u5f62\u5f0f\u5982\uff1aa|s:12:&#8221;it is a test&#8221;;c|s:4:&#8221;lala&#8221;; a\u662f\u53d8\u91cf\u540d s:12\u4ee3\u8868\u53d8\u91cfa\u7684\u503c&#8221;it is a test\u7684\u957f\u5ea6\u662f12 \u53d8\u91cf\u95f4\u7528\u5206\u53f7\u201d;\u201d\u5206\u9694\u3002 <br \/>7\u3001 session_decode <br \/>\u51fd\u6570\u529f\u80fd\uff1asesssion\u4fe1\u606f\u89e3\u7801 <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session_decode (string data) <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u53ef\u5c06session\u4fe1\u606f\u89e3\u7801\uff0c\u6210\u529f\u5219\u8fd4\u56de\u903b\u8f91\u503ctrue <br \/>8\u3001 session_name <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u5b58\u53d6\u5f53\u524d\u4f1a\u8bdd\u540d\u79f0 <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session_name(string [name]); <br \/>\u8fd4\u56de\u503c\uff1a\u5b57\u7b26\u4e32 <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u53ef\u53d6\u5f97\u6216\u91cd\u65b0\u8bbe\u7f6e\u5f53\u524dsession\u7684\u540d\u79f0\u3002\u82e5\u65e0\u53c2\u6570name\u5219\u8868\u793a\u83b7\u53d6\u5f53\u524dsession\u540d\u79f0\uff0c\u52a0\u4e0a\u53c2\u6570\u5219\u8868\u793a\u5c06session\u540d\u79f0\u8bbe\u4e3a\u53c2\u6570name <br \/>9\u3001 session_id <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u5b58\u53d6\u5f53\u524d\u4f1a\u8bdd\u6807\u8bc6\u53f7 <br \/>\u51fd\u6570\u539f\u578b\uff1aboolean session_id(string [id]); <br \/>\u8fd4\u56de\u503c\uff1a\u5b57\u7b26\u4e32 <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u53ef\u53d6\u5f97\u6216\u91cd\u65b0\u8bbe\u7f6e\u5f53\u524d\u5b58\u653esession\u7684\u6807\u8bc6\u53f7\u3002\u82e5\u65e0\u53c2\u6570id\u5219\u8868\u793a\u53ea\u83b7\u53d6\u5f53\u524dsession\u7684\u6807\u8bc6\u53f7\uff0c\u52a0\u4e0a\u53c2\u6570\u5219\u8868\u793a\u5c06session\u7684\u6807\u8bc6\u53f7\u8bbe\u6210\u65b0\u6307\u5b9a\u7684id <br \/>10\u3001 session_unset <br \/>\u51fd\u6570\u529f\u80fd\uff1a\u5220\u9664\u6240\u6709\u5df2\u6ce8\u518c\u7684\u53d8\u91cf\u3002 <br \/>\u51fd\u6570\u539f\u578b\uff1avoid session_unset (void) <br \/>\u8fd4\u56de\u503c\uff1a\u5e03\u5c14\u503c <br \/>\u529f\u80fd\u8bf4\u660e\uff1a\u8fd9\u4e2a\u51fd\u6570\u548cSession_destroy\u4e0d\u540c\uff0c\u5b83\u4e0d\u7ed3\u675f\u4f1a\u8bdd\u3002\u5c31\u5982\u540c\u7528\u51fd\u6570session_unregister\u9010\u4e00\u6ce8\u9500\u6389\u6240\u6709\u7684\u4f1a\u8bdd\u53d8\u91cf\u3002 <br \/>\u7f16\u7a0b\u601d\u8def <br \/>\u5728\u793e\u533a\u3001\u8bba\u575b\u4e2d\uff0c\u6211\u4eec\u5e38\u80fd\u770b\u5230\u5f53\u524d\u5728\u7ebf\u7684\u4f1a\u5458\uff0c\u4f7f\u8bbf\u95ee\u8005\u6709\u5bbe\u81f3\u5982\u5f52\u4e4b\u611f\u3002\u4f46\u8fd9\u79cd\u7a0b\u5e8f\u662f\u600e\u4e48\u505a\u51fa\u6765\u7684\u5462\uff1f <br \/>\u6d41\u7a0b\u5982\u4e0b\uff1a <br \/>\u5efa\u8868user\uff0c\u4fdd\u5b58\u6ce8\u518c\u7528\u6237\u4fe1\u606f\u3002 <br \/>\u5b57\u6bb5 <br \/>\u7c7b\u578b <br \/>\u5907\u6ce8 <br \/>userid <br \/>Int(10) <br \/>\u7528\u6237\u5e8f\u5217\u53f7 auto_increment \u5173\u952e\u5b57 <br \/>username <br \/>Varchar(50) <br \/>\u7528\u6237\u533f\u79f0 <br \/>userpwd <br \/>Varchar(50) <br \/>\u5bc6\u7801 <br \/>email <br \/>Varchar(50) <br \/>\u7535\u5b50\u4fe1\u7bb1 <br \/>oicq <br \/>Varchar(50) <br \/>OICQ\u53f7 <br \/>signature <br \/>mediumtext <br \/>\u7b7e\u540d <br \/>imgurl <br \/>Varchar(50) <br \/>\u5934\u50cf <br \/>joindate <br \/>Varchar(50) <br \/>\u52a0\u5165\u65f6\u95f4 <br \/>\u5efa\u7c7b\u6587\u4ef6user.php \u5b9a\u4e49\u51fd\u6570 <br \/>exist($username)\u786e\u8ba4\u65b0\u6ce8\u518c\u7528\u6237\u662f\u4e0d\u662f\u5df2\u7ecf\u5b58\u5728 <br \/>nsert($username,$userpwd,$email,$oicq,$imgurl,$signature)\u63d2\u5165\u6ce8\u518c\u7528\u6237 <br \/>update($userid,$username,$userpwd,$email,$oicq,$imgurl,$signature) \u66f4\u65b0\u7528\u6237\u6570\u636e <br \/>get_from_condition($con) \u8fd4\u56de\u6ee1\u8db3\u67e5\u8be2\u6761\u4ef6\u7684\u8bb0\u5f55\u96c6 <br \/>\u5efa\u8868session\u3002\u5f53\u7528\u6237\u767b\u5f55\u65f6\u5373\u5411\u6b64\u8868\u63d2\u5165\u65b0\u8bb0\u5f55\uff0c\u79bb\u5f00\u6216\u8d85\u65f6\u540e\u5220\u9664\u8bb0\u5f55\uff0c\u4fdd\u8bc1\u8868\u4e2d\u4fdd\u5b58\u7684\u662f\u5f53\u524d\u5728\u7ebf\u7684\u7528\u6237\u3002 <br \/>\u5b57\u6bb5 <br \/>\u7c7b\u578b <br \/>\u5907\u6ce8 <br \/>sessionid <br \/>Int(10) <br \/>\u5e8f\u5217\u53f7 auto_increment \u5173\u952e\u5b57 <br \/>userid <br \/>Int(10) <br \/>\u7528\u6237\u5e8f\u5217\u53f7\u53d6\u81eauser\u8868 <br \/>ipaddress <br \/>Varchar(50) <br \/>Ip\u5730\u5740 <br \/>lastactivity <br \/>Int(10) <br \/>\u6700\u540e\u6d3b\u52a8\u65f6\u95f4\uff0c\u7528\u5b83\u6765\u5224\u65ad\u7528\u6237\u662f\u5426\u8fd8\u5728\u7ebf <br \/>\u5efa\u7c7b\u6587\u4ef6session.php \u5b9a\u4e49\u51fd\u6570 <br \/>insert($userid,$ipaddress,$lastactivity) \u628a\u767b\u5f55\u6210\u529f\u7684\u7528\u6237\u63d2\u5165\u5230\u8868\u4e2d <br \/>update($userid,$ipaddress,$lastactivity)\u66f4\u65b0\u5728\u7ebf\u7528\u6237\u6700\u540e\u6d3b\u52a8\u65f6\u95f4 <br \/>del($con)\u5220\u9664\u6ee1\u8db3\u6761\u4ef6\u7684\u7528\u6237\uff0c\u7528\u5b83\u6765\u6e05\u9664\u79bb\u7ebf\u7528\u6237 <br \/>get_from_condition($con) \u8fd4\u56de\u6ee1\u8db3\u67e5\u8be2\u6761\u4ef6\u7684\u8bb0\u5f55\u96c6 <\/p>\n<p>\u516c\u7528\u6587\u4ef6global.php <br \/><code><br \/>include \"class\/config.inc.php\"; \/\/\u628a\u914d\u7f6e\u6587\u4ef6\u5305\u542b\u8fdb\u6765 <br \/>$db = new db; <br \/>$db-&gt; db_connect( ); \/\/\u8fde\u63a5\u6570\u636e\u5e93 <br \/>$user = new user; \/\/\u521d\u59cb\u5316 <br \/>$session = new session; <br \/>\/\/\u542f\u52a8\u4f1a\u8bdd <br \/>session_start(); <br \/>\/\/\u5220\u9664session\u8868\u4e2d\u5df2\u7ecf\u8fc7\u671f\u7684\u7528\u6237\uff08\u5373\u975e\u5728\u7ebf\u7f51\u53cb\uff09\u56e0\u4e3a\u6b64\u6587\u4ef6\u603b\u662f\u88ab\u8c03\u7528\u4ece\u800c\u4fdd\u8bc1\u663e\u793a\u7684\u90fd\u662f\u5f53\u524d\u5728\u7ebf\u7684\u7528\u6237 <br \/>$curtime=time(); <br \/>$con=\"lastactivity&lt;$curtime\"; <br \/>$session-&gt;del($con); <br \/>\/\/\u6b63\u5728\u7ebf\u7684\u7f51\u53cb\u9700\u4e0d\u65ad\u66f4\u65b0session\u8868\u4e2d\u7684lastactivity\u65f6\u95f4,\u5e76\u91cd\u65b0\u8bbe\u7f6e\u7528\u6237\u7684COOKIES <br \/>if ($HTTP_SESSION_VARS[\"online\"]==\"on\"){ \/\/\u6b64\u5904\u4e5f\u53ef\u7528$_SESSION[\u201conline\u201d] <br \/>$userid=$HTTP_SESSION_VARS[\"userid\"]; \/\/\u53d6\u5f53\u524d\u5728\u7ebf\u7528\u6237\u7684userid <br \/>$ipaddress=substr($REMOTE_ADDR,0,50); <br \/>$lastactivity=time()+3600; \/\/\u66f4\u65b0\u6700\u540e\u6d3b\u52a8\u65f6\u95f4\uff0c\u5982\u65f6\u4e00\u4e2a\u5c0f\u65f6\u4e4b\u5185\u672a\u8c03\u52a8\u9875\u9762\u5c31\u8ba4\u4e3a\u7528\u6237\u5df2\u79bb\u7ebf\uff0c\u4ece\u800c\u4f1a\u88ab\u5220\u9664\u3002 <br \/>$session-&gt;update($userid,$ipaddress,$lastactivity); <br \/>}else{ <br \/>\/\/\u5982\u679c\u672a\u767b\u5f55\u90a3\u76f4\u63a5\u8f6c\u5165\u767b\u5f55\u9875\u9762 <br \/>$firstpage=\"logon.php\"; <br \/>header (\"Location: $firstpage\"); <br \/>exit; <br \/>} <br \/>\u767b\u5f55\u6587\u4ef6logon.php <br \/>if ($hiddenField==\"0\"){ \/\/\u6d4b\u68c0\u8868\u5355\u6709\u672a\u88ab\u63d0\u4ea4 <br \/>$con=\"username='$username' and userpwd='$userpwd'\"; <br \/>$result=$user-&gt;get_from_condition($con); <br \/>if ($user-&gt;counter==1){ <br \/>if (!session_is_registered(\"online\")){\/\/\u68c0\u6d4b\u662f\u5426\u88ab\u767b\u8bb0\u8fc7 <br \/>session_register(\"online\"); \/\/\u767b\u8bb0\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\u4e3a\u4f1a\u8bdd\u53d8\u91cf <br \/>} <br \/>if (!session_is_registered(\"ccauser\")){ <br \/>session_register(\"ccauser\"); <br \/>} <br \/>if (!session_is_registered(\"userid\")){ <br \/>session_register(\"userid\"); <br \/>} <br \/>$ccauser=$username; \/\/\u7ed9\u4f1a\u8bdd\u53d8\u91cf\u8d4b\u503c <br \/>$online=\"on\"; \/\/\u8fd9\u4e2a\u53d8\u91cf\u5728global.php\u7528\u5230\u4ee5\u66f4\u65b0\u6700\u540e\u6d3b\u52a8\u65f6\u95f4lastactivity <br \/>$userid=$user-&gt;userid; <br \/>$ipaddress=substr($REMOTE_ADDR,0,50); <br \/>$lastactivity=time()+3600; <br \/>$con=\" userid=$userid\"; <br \/>$session-&gt;get_from_condition($con); <br \/>\/\/\u5224\u65ad\u4f1a\u8bdd\u662f\u5426\u5b58\u5728\uff0c\u6709\u53ef\u80fd\u4f60\u5728\u4e0d\u540c\u7684\u673a\u5668\u4e0a\u767b\u4e24\u6b21\u3002 <br \/>if ($session-&gt;counter==1){ <br \/>$session-&gt;update($userid,$ipaddress,$lastactivity); \/\/\u5982\u5b58\u5728\uff0c\u66f4\u65b0 <br \/>}else{ <br \/>$session-&gt;insert($userid,$ipaddress,$lastactivity); \/\/\u5982\u4e0d\u5b58\u5728\uff0c\u63d2\u5165 <br \/>} <br \/>\/\/\u5728\u5ba2\u6237\u673a\u8bbe\u7f6eCOOKIES <br \/>SetCookie(\"ccauser\",$username,time()+3600); <br \/>Header(\"Location:test.php\");\/\/\u7136\u540e\u5bfc\u5411\u6d4b\u8bd5\u9875 <br \/>} <br \/>} <br \/>?&gt; <br \/>if($HTTP_SESSION_VARS[\"online\"]==\"\") { \/\/\u5224\u65ad\u662f\u5426\u5df2\u767b\u5f55 <br \/>?&gt; <br \/>\/\/\u4e0b\u9762\u662f\u767b\u5f55\u7684\u8868\u5355 <br \/>\u540d\u79f0:&nbsp;&nbsp; <br \/>\u5bc6\u7801:&nbsp;&nbsp; <br \/>}else{ <br \/>echo \"\u7f51\u53cb:\".$HTTP_COOKIE_VARS[\"ccauser\"].\"\u4f60\u5df2\u7ecf\u767b\u5f55\u4e86\"; \/\/\u5982\u679c\u5df2\u767b\u5f55\u5219\u663e\u793a\u63d0\u793a <br \/>$str=\" <br \/><a target=\"_blank\" href=\"exit.php\">\u9000\u51fa\u793e\u533a<\/a>\"; <br \/>echo $str; <br \/>} <br \/>?&gt; <br \/><\/code><\/p>\n<p>\u6d4b\u8bd5\u6587\u4ef6test.php <br \/><code><br \/>include \"global.php\"; \/\/\u628aglobal.php\u6587\u4ef6\u5305\u542b\u8fdb\u6765 <br \/>$strWelcome=\"\u6b22\u8fce<font color=\"red\">\".$_SESSION['ccauser'].\"<\/font> <br \/>\"; <br \/>echo $strWelcome; \/\/\u663e\u793a\u6b22\u8fce\u4fe1\u606f <br \/>$str=\u201d \u5f53\u524d\u5728\u7ebf\u7528\u6237\uff1a <br \/>=================== <br \/>\u201d; <br \/>$con=\" 1=1\"; <br \/>\/\/\u63d0\u51fasession\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\u5373\u662f\u5f53\u524d\u5728\u7ebf\u7528\u6237\uff0c\u672a\u628a\u6e38\u5ba2\u7b97\u5728\u5185 <br \/>$result=$session-&gt;get_from_condition($con); <br \/>while($row=mysql_fetch_array($result)){ <br \/>$con1=\"userid=$row[userid]\"; <br \/>$user-&gt;get_from_condition($con1); <br \/>$str.=$user-&gt;username.\" \"; <br \/>} <br \/>echo $str; <br \/>?&gt; <br \/><\/code><\/p>\n<p>\u9000\u51fa\u6587\u4ef6exit.php <br \/><code><br \/>include \"global.php\"; \/\/\u628aglobal.php\u6587\u4ef6\u5305\u542b\u8fdb\u6765 <br \/>if ($_SESSION[\"online\"]==\"on\"){ <br \/>$con=\"userid=$userid\"; <br \/>$session-&gt;del($con); \/\/\u5728session\u8868\u4e2d\u5220\u9664\u7528\u6237\u4fe1\u606f\u3002 <br \/>session_destroy(); \/\/\u7ed3\u675f\u5f53\u524d\u7684\u4f1a\u8bdd\uff0c\u5e76\u6e05\u7a7a\u4f1a\u8bdd\u4e2d\u7684\u6240\u6709\u8d44\u6e90 <br \/>echo \"\u5df2\u7ecf\u9000\u51fa\u793e\u533a......\"; <br \/>} <br \/>?&gt; <br \/><\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u4e2d\u7684session\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u4f7f\u7528\u5ba2\u6237\u7aef\u7684Cookie\u3002\u5f53\u5ba2\u6237&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-537","post","type-post","status-publish","format-standard","hentry","category-Php"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=537"}],"version-history":[{"count":0,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/537\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}