{"id":441609,"date":"2025-05-11T10:06:36","date_gmt":"2025-05-11T02:06:36","guid":{"rendered":"https:\/\/www.idc.net\/help\/?p=441609"},"modified":"2025-05-11T10:06:36","modified_gmt":"2025-05-11T02:06:36","slug":"php-%e4%b8%ad-session-%e7%9a%84%e6%b8%85%e9%99%a4%e4%b8%8e%e9%94%80%e6%af%81%e6%96%b9%e6%b3%95%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/441609\/","title":{"rendered":"PHP \u4e2d Session \u7684\u6e05\u9664\u4e0e\u9500\u6bc1\u65b9\u6cd5\u8be6\u89e3"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u73b0\u4ee3 Web \u5e94\u7528\u4e2d\uff0c<code>Session<\/code> \u88ab\u5e7f\u6cdb\u7528\u4e8e\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u548c\u6570\u636e\u6301\u4e45\u5316\u3002\u7136\u800c\uff0c\u968f\u7740\u4f1a\u8bdd\u7684\u7ed3\u675f\u6216\u7528\u6237\u4e3b\u52a8\u6ce8\u9500\uff0c\u53ca\u65f6\u6e05\u7406 <code>Session<\/code> \u6570\u636e\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ece\u4e09\u4e2a\u65b9\u9762\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u5728 PHP \u4e2d\u5b89\u5168\u4e14\u6709\u6548\u5730\u5220\u9664 Session\uff0c\u5305\u62ec\u5220\u9664\u5355\u4e2a\u53d8\u91cf\u3001\u6279\u91cf\u6e05\u9664\u548c\u5f7b\u5e95\u9500\u6bc1\u4f1a\u8bdd\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u5b9e\u7528\u7684\u53c2\u8003\u65b9\u6848\u3002<\/p>\n<p>\u5728\u90e8\u7f72\u6d89\u53ca\u7528\u6237\u6743\u9650\u7ba1\u7406\u7684\u7cfb\u7edf\u65f6\uff0c\u82e5\u4f7f\u7528\u6027\u80fd\u4f18\u8d8a\u7684<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\uff0c\u4e0d\u4ec5\u80fd\u591f\u63d0\u5347\u8bbf\u95ee\u54cd\u5e94\u901f\u5ea6\uff0c\u8fd8\u80fd\u4fdd\u969c\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u4e0e\u5b89\u5168\u6027\u3002\u5efa\u8bae\u6280\u672f\u4eba\u5458\u5728\u670d\u52a1\u5668\u90e8\u7f72\u8fc7\u7a0b\u4e2d\u8003\u8651\u533a\u57df\u5e26\u5bbd\u4f18\u52bf\uff0c\u5c24\u5176\u662f\u5728\u9762\u5bf9\u4e9a\u6d32\u7528\u6237\u8bbf\u95ee\u9700\u6c42\u65f6\uff0c\u9999\u6e2f\u5730\u533a\u7684\u8282\u70b9\u62e5\u6709\u5f97\u5929\u72ec\u539a\u7684\u4f18\u52bf\u3002<\/p>\n<hr \/>\n<h2>\u4e00\u3001\u5220\u9664\u5355\u4e2a Session \u5143\u7d20<\/h2>\n<p>\u5982\u679c\u4ec5\u9700\u79fb\u9664\u67d0\u4e2a <code>Session<\/code> \u53d8\u91cf\uff0c\u6bd4\u5982\u7528\u6237\u6635\u79f0\u6216\u4e34\u65f6\u6570\u636e\u9879\uff0c\u53ef\u901a\u8fc7 <code>unset()<\/code> \u51fd\u6570\u5b9e\u73b0\u3002\u5176\u7528\u6cd5\u4e0e\u666e\u901a\u6570\u7ec4\u64cd\u4f5c\u57fa\u672c\u4e00\u81f4\uff1a<\/p>\n<pre><code class=\"language-php\">&lt;?php\r\nsession_start();\r\n$_SESSION['user'] = 'admin';\r\n$_SESSION['token'] = 'abc123';\r\n\r\nunset($_SESSION['token']);  \/\/ \u5220\u9664\u7279\u5b9a\u7684 Session \u9879\r\nprint_r($_SESSION);\r\n?&gt;\r\n<\/code><\/pre>\n<blockquote><p>\u26a0\ufe0f\u6ce8\u610f\uff1a\u907f\u514d\u76f4\u63a5 <code>unset($_SESSION)<\/code> \u6765\u6e05\u7a7a\u6574\u4e2a\u6570\u7ec4\uff0c\u4ee5\u514d\u8bef\u5220\u5173\u952e\u6570\u636e\u3002<\/p><\/blockquote>\n<hr \/>\n<h2>\u4e8c\u3001\u6279\u91cf\u6e05\u9664 Session \u6570\u636e<\/h2>\n<p>\u5f53\u9700\u8981\u6e05\u7a7a\u591a\u4e2a Session \u9879\u65f6\uff0c\u6709\u4e24\u79cd\u901a\u7528\u65b9\u5f0f\uff1a<\/p>\n<h3>\u65b9\u6cd5\u4e00\uff1a\u76f4\u63a5\u8d4b\u7a7a\u6570\u7ec4<\/h3>\n<pre><code class=\"language-php\">&lt;?php\r\nsession_start();\r\n$_SESSION['user'] = 'admin';\r\n$_SESSION['role'] = 'editor';\r\n$_SESSION = array();  \/\/ \u6e05\u7a7a\u6240\u6709 Session \u6570\u636e\r\n?&gt;\r\n<\/code><\/pre>\n<h3>\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 <code>session_unset()<\/code><\/h3>\n<pre><code class=\"language-php\">&lt;?php\r\nsession_start();\r\n$_SESSION['user'] = 'admin';\r\n$_SESSION['role'] = 'editor';\r\nsession_unset();  \/\/ \u7b49\u6548\u6e05\u9664\u6240\u6709 Session \u9879\r\n?&gt;\r\n<\/code><\/pre>\n<p>\u65e0\u8bba\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9002\u7528\u4e8e\u7528\u6237\u4e3b\u52a8\u9000\u51fa\u3001\u5207\u6362\u8d26\u6237\u7b49\u529f\u80fd\u573a\u666f\u3002\u642d\u914d<strong>\u9ad8\u6027\u80fd\u9999\u6e2fvps\u4e3b\u673a<\/strong>\u4f7f\u7528\u65f6\uff0c\u53ef\u663e\u8457\u964d\u4f4e\u7cfb\u7edf\u8d44\u6e90\u5360\u7528\uff0c\u63d0\u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b\uff0c\u662f\u6784\u5efa\u9ad8\u53ef\u7528\u7cfb\u7edf\u7684\u63a8\u8350\u9009\u62e9\u3002<\/p>\n<hr \/>\n<h2>\u4e09\u3001\u5f7b\u5e95\u9500\u6bc1\u4f1a\u8bdd<\/h2>\n<p>\u5982\u679c\u5e0c\u671b\u4ece\u6839\u672c\u4e0a\u7ed3\u675f\u6574\u4e2a\u4f1a\u8bdd\uff0c\u5305\u62ec\u9500\u6bc1\u670d\u52a1\u5668\u7aef Session \u6587\u4ef6\uff0c\u5e94\u4f7f\u7528 <code>session_destroy()<\/code> \u51fd\u6570\uff1a<\/p>\n<pre><code class=\"language-php\">&lt;?php\r\nsession_start();\r\n$_SESSION['user'] = 'admin';\r\nsession_destroy();  \/\/ \u9500\u6bc1\u5f53\u524d\u4f1a\u8bdd\r\n?&gt;\r\n<\/code><\/pre>\n<blockquote><p>\ud83d\udd0d \u6ce8\u610f\uff1a\u867d\u7136 <code>session_destroy()<\/code> \u5220\u9664\u4e86\u670d\u52a1\u5668\u7aef\u7684\u4f1a\u8bdd\u6570\u636e\uff0c\u4f46\u4e0d\u4f1a\u81ea\u52a8\u6e05\u7a7a <code>$_SESSION<\/code> \u6570\u7ec4\u3002\u5982\u679c\u9700\u8981\u5b8c\u5168\u6e05\u7a7a\uff0c\u5efa\u8bae\u7ed3\u5408 <code>$_SESSION = array();<\/code> \u4e00\u8d77\u4f7f\u7528\u3002<\/p><\/blockquote>\n<hr \/>\n<h2>\u63a8\u8350\u90e8\u7f72\u5b9e\u8df5\u4e0e\u670d\u52a1\u5668\u9009\u578b\u5efa\u8bae<\/h2>\n<p>\u5f00\u53d1\u8005\u5728\u90e8\u7f72\u57fa\u4e8e PHP \u7684\u4e1a\u52a1\u7cfb\u7edf\u65f6\uff0c\u9664\u4e86\u5e94\u7528\u5c42\u903b\u8f91\u7684\u5b8c\u5584\uff0c\u8fd8\u9700\u91cd\u89c6\u670d\u52a1\u5668\u7684\u9009\u62e9\u3002\u7279\u522b\u662f\u5bf9\u8de8\u5883\u7535\u5546\u3001\u56fd\u9645 SaaS\u3001\u6d77\u5916\u5185\u5bb9\u5e73\u53f0\u7b49\u5e94\u7528\u6765\u8bf4\uff0c<a href=\"https:\/\/idc.net\/\"><strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong><\/a>\u56e0\u5176\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u5e26\u5bbd\u3001\u4e0d\u9650\u6d41\u91cf\u7b49\u4f18\u52bf\uff0c\u6210\u4e3a\u4f18\u9009\u65b9\u6848\u3002<\/p>\n<p>\u4e3a\u4e86\u63d0\u5347\u7ad9\u70b9\u7a33\u5b9a\u6027\u4e0e\u5168\u7403\u8bbf\u95ee\u6027\u80fd\uff0c\u63a8\u8350\u9009\u62e9\u914d\u7f6e\u7075\u6d3b\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u5982\u63d0\u4f9b SSD \u5b58\u50a8\u3001BGP \u591a\u7ebf\u63a5\u5165\u548c DDoS \u9632\u62a4\u7684\u65b9\u6848\u3002\u82e5\u60a8\u6b63\u5728\u642d\u5efa\u6216\u4f18\u5316 PHP \u7cfb\u7edf\uff0c\u6b22\u8fce\u8bbf\u95ee\u6211\u4eec<a href=\"https:\/\/idc.net\/\">\u5e73\u53f0<\/a>\u4e86\u89e3\u66f4\u591a\u670d\u52a1\u5668\u65b9\u6848\u3002<\/p>\n<hr \/>\n<h2>\u7ed3\u8bed<\/h2>\n<p>\u6e05\u7406 Session \u662f\u6784\u5efa\u5b89\u5168\u3001\u7a33\u5b9a PHP \u5e94\u7528\u7684\u57fa\u7840\u64cd\u4f5c\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528 <code>unset()<\/code>\u3001<code>session_unset()<\/code> \u548c <code>session_destroy()<\/code>\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6570\u636e\u6cc4\u9732\u3001\u8d44\u6e90\u6d6a\u8d39\u7b49\u95ee\u9898\u3002\u540c\u65f6\uff0c\u914d\u5408\u7a33\u5b9a\u7684\u670d\u52a1\u5668\u67b6\u6784\uff0c\u5c24\u5176\u662f\u4f7f\u7528\u9999\u6e2f\u672c\u5730\u8282\u70b9\u8d44\u6e90\uff0c\u5c06\u663e\u8457\u63d0\u5347\u6574\u4f53\u7528\u6237\u4f53\u9a8c\u4e0e\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u4e0e PHP\u3001Web \u5b89\u5168\u3001\u670d\u52a1\u5668\u8fd0\u7ef4\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u6b22\u8fce\u6301\u7eed\u5173\u6ce8\u6211\u4eec\u5e73\u53f0\uff0c\u83b7\u53d6\u6700\u65b0\u884c\u4e1a\u6280\u672f\u8d44\u8baf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u73b0\u4ee3 Web \u5e94\u7528\u4e2d\uff0cSession \u88ab\u5e7f\u6cdb\u7528\u4e8e\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\u548c\u6570\u636e\u6301\u4e45\u5316\u3002\u7136\u800c\uff0c\u968f\u7740\u4f1a\u8bdd\u7684\u7ed3\u675f\u6216\u7528\u6237\u4e3b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197851],"tags":[],"class_list":["post-441609","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=441609"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441609\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=441609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=441609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=441609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}