{"id":979,"date":"2026-06-24T19:01:24","date_gmt":"2026-06-24T11:01:24","guid":{"rendered":"http:\/\/10.10.10.101\/?p=979"},"modified":"2026-06-24T19:01:24","modified_gmt":"2026-06-24T11:01:24","slug":"%e8%a7%a3%e5%af%86php%e6%95%b0%e6%8d%ae%e9%93%be%ef%bc%9apop%e9%93%be%e6%9e%84%e9%80%a0%e5%8e%9f%e7%90%86%e4%b8%8e%e4%bf%a1%e6%81%af%e5%ae%89%e5%85%a8%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/htmacg.cn\/?p=979","title":{"rendered":"\u89e3\u5bc6PHP\u6570\u636e\u94fe\uff1aPOP\u94fe\u6784\u9020\u539f\u7406\u4e0e\u4fe1\u606f\u5b89\u5168\u5b9e\u6218"},"content":{"rendered":"

\u5f15\u8a00\uff1a\u4ece\u7f16\u7a0b\u8303\u5f0f\u5230\u5b89\u5168\u9690\u60a3\u7684\u6865\u6881<\/h2>\n

\u5728Web\u5b89\u5168\u9886\u57df\uff0c\u968f\u7740PHP\u8bed\u8a00\u7684\u5e7f\u6cdb\u4f7f\u7528\uff0c\u5176\u7075\u6d3b\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7279\u6027\u5728\u5e26\u6765\u5f3a\u5927\u8868\u8ff0\u529b\u7684\u540c\u65f6\uff0c\u4e5f\u5f15\u5165\u4e86\u7279\u5b9a\u7684\u653b\u51fb\u9762\u3002\u5176\u4e2d\uff0cPHP POP\u94fe\uff08Property-Oriented Programming Chain\uff0c\u5c5e\u6027\u5bfc\u5411\u7f16\u7a0b\u94fe\uff09<\/strong>\u4fbf\u662f\u5229\u7528PHP\u5bf9\u8c61\u5e8f\u5217\u5316\u673a\u5236\u4e0e\u9b54\u672f\u65b9\u6cd5\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u5b9e\u73b0\u4ee3\u7801\u903b\u8f91\u91cd\u7ec4\u7684\u5173\u952e\u653b\u51fb\u6280\u672f\u3002\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684SQL\u6ce8\u5165\u6216XSS\u653b\u51fb\uff0cPOP\u94fe\u653b\u51fb\u66f4\u4e3a\u9690\u853d\uff0c\u5b83\u4e0d\u76f4\u63a5\u6ce8\u5165\u6076\u610f\u4ee3\u7801\uff0c\u800c\u662f\u901a\u8fc7\u7cbe\u5fc3\u6784\u9020\u5bf9\u8c61\u5c5e\u6027\uff0c\u9a71\u52a8\u6b63\u5e38\u7c7b\u7684\u5185\u90e8\u65b9\u6cd5\u5728\u9884\u5b9a\u4e49\u7684\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u4e2d\u6267\u884c\uff0c\u6700\u7ec8\u8fbe\u6210\u7ed5\u8fc7\u6743\u9650\u3001\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u6216\u4fe1\u606f\u6cc4\u9732\u7b49\u76ee\u7684\u3002<\/p>\n

\u672c\u6587\u65e8\u5728\u4ee5\u4e13\u4e1a\u4e25\u8c28\u7684\u89c6\u89d2\uff0c\u7cfb\u7edf\u9610\u8ff0PHP POP\u94fe\u7684\u6570\u5b66\u903b\u8f91\u57fa\u7840\u3001\u6838\u5fc3\u8fd0\u4f5c\u673a\u5236\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u4ee3\u7801\u6848\u4f8b\u8fdb\u884c\u89e3\u6790\u3002\u6211\u4eec\u5c06\u4ece\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u9b54\u672f\u65b9\u6cd5\u5165\u624b\uff0c\u9010\u6b65\u63ed\u793a\u5bf9\u8c61\u5e8f\u5217\u5316\u5982\u4f55\u6210\u4e3a\u653b\u51fb\u8005\u7684\u8df3\u677f\uff0c\u6700\u7ec8\u6df1\u5165\u5206\u6790POP\u94fe\u7684\u6784\u9020\u539f\u7406\u3001\u5173\u952e\u7ea6\u675f\u3001\u6f0f\u6d1e\u5229\u7528\u7b56\u7565\u53ca\u5176\u5728\u4fe1\u606f\u5b89\u5168\u9886\u57df\u7684\u9632\u5fa1\u610f\u4e49\u3002<\/p>\n

\u7b2c\u4e00\u7ae0\uff1a\u6280\u672f\u80cc\u666f\uff1a\u5e8f\u5217\u5316\u3001\u9b54\u672f\u65b9\u6cd5\u4e0e\u516c\u5171\u6570\u636e\u94fe<\/h2>\n

1.1 PHP\u5bf9\u8c61\u5e8f\u5217\u5316\uff1a\u6570\u636e\u4e0e\u7ed3\u6784\u7684\u56fa\u5316\u4e0e\u4f20\u8f93<\/h3>\n

\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u7f13\u5b58\u673a\u5236\u6216\u7b80\u5355\u7684\u4f1a\u8bdd\u4fdd\u5b58\u4e2d\uff0c\u5bf9\u8c61\u5e8f\u5217\u5316\u662fPHP\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002\u5b83\u5c06\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\uff08\u5305\u62ec\u516c\u6709\u3001\u79c1\u6709\u3001\u53d7\u4fdd\u62a4\uff09\u4ee5\u53ca\u7c7b\u4fe1\u606f\u8f6c\u6362\u4e3a\u4e00\u4e2a\u53ef\u5b58\u50a8\u6216\u4f20\u8f93\u7684\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u6237\u5bf9\u8c61\u53ef\u80fd\u88ab\u5e8f\u5217\u5316\u4e3a\uff1a<\/p>\n

O:4:\"User\":2:{s:4:\"name\";s:5:\"admin\";s:3:\"age\";i:25;}<\/code><\/p><\/blockquote>\n

\u8fd9\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u5b57\u7b26\u4e32\uff0c\u5305\u542b\u4e86\u7c7b\u540d\uff08User\uff09\u3001\u5c5e\u6027\u6570\u91cf\uff082\uff09\u53ca\u6bcf\u4e2a\u5c5e\u6027\u7684\u952e\u503c\u5bf9\u3002\u7136\u800c\uff0c\u6b63\u662f\u8fd9\u79cd\u201c\u663e\u5f0f\u201d\u7684\u5c5e\u6027\u5b58\u50a8\u65b9\u5f0f\uff0c\u4e3a\u653b\u51fb\u8005\u63d0\u4f9b\u4e86\u7be1\u6539\u7684\u7a7a\u95f4\u3002\u5f53\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\uff08unserialize()<\/code>\uff09\u88ab\u8c03\u7528\u65f6\uff0cPHP\u4f1a\u5c1d\u8bd5\u6839\u636e\u8fd9\u4e2a\u5b57\u7b26\u4e32\u91cd\u5efa\u5bf9\u8c61\u3002\u5982\u679c\u653b\u51fb\u8005\u80fd\u591f\u63a7\u5236\u8f93\u5165\u7684\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\uff0c\u4ed6\u4eec\u5c31\u53ef\u4ee5\u64cd\u7eb5\u5bf9\u8c61\u7684\u4efb\u4f55\u5c5e\u6027\uff0c\u5305\u62ec\u90a3\u4e9b\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u7684\u79c1\u6709\u5c5e\u6027\uff0c\u8fd9\u6b63\u662fPOP\u94fe\u88ab\u6784\u9020\u7684\u7b2c\u4e00\u5757\u79ef\u6728\u3002<\/p>\n

1.2 \u9b54\u672f\u65b9\u6cd5\uff1a\u81ea\u52a8\u89e6\u53d1\u7684\u9690\u6027\u5951\u7ea6<\/h3>\n

PHP\u7684\u7c7b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u7cfb\u5217\u4ee5\u53cc\u4e0b\u5212\u7ebf\uff08__<\/code>\uff09\u5f00\u5934\u7684\u65b9\u6cd5\uff0c\u5b83\u4eec\u5728\u7279\u5b9a\u4e8b\u4ef6\u4e2d\u88ab\u81ea\u52a8\u8c03\u7528\uff0c\u65e0\u9700\u663e\u5f0f\u8c03\u7528\u3002\u8fd9\u4e9b\u65b9\u6cd5\u6784\u6210\u4e86\u201c\u4ece\u6570\u636e\u5230\u884c\u4e3a\u201d\u7684\u5173\u952e\u6865\u6881\u3002\u5728POP\u94fe\u6784\u9020\u4e2d\uff0c\u6700\u91cd\u8981\u7684\u9b54\u672f\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n

    \n
  • __wakeup()<\/code><\/strong>\uff1a\u5728\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u7acb\u5373\u81ea\u52a8\u8c03\u7528\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u91cd\u65b0\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\u6216\u521d\u59cb\u5316\u8d44\u6e90\uff0c\u4f46\u4e5f\u53ef\u80fd\u88ab\u7528\u4e8e\u6267\u884c\u654f\u611f\u64cd\u4f5c\u3002<\/li>\n
  • __destruct()<\/code><\/strong>\uff1a\u5f53\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\uff08\u4f8b\u5982\u811a\u672c\u6267\u884c\u5b8c\u6bd5\u6216\u6240\u6709\u5f15\u7528\u88ab\u79fb\u9664\uff09\uff0c\u81ea\u52a8\u8c03\u7528\u3002\u8fd9\u662f\u5927\u591a\u6570POP\u94fe\u7684\u7ec8\u70b9\uff0c\u56e0\u4e3a\u653b\u51fb\u8005\u5e0c\u671b\u5728\u6b64\u5904\u6267\u884c\u6587\u4ef6\u5220\u9664\u3001\u4ee3\u7801\u6267\u884c\u7b49\u884c\u4e3a\u3002<\/li>\n
  • __toString()<\/code><\/strong>\uff1a\u5f53\u4e00\u4e2a\u5bf9\u8c61\u88ab\u5f53\u4f5c\u5b57\u7b26\u4e32\u5904\u7406\u65f6\uff08\u4f8b\u5982\u4f7f\u7528echo<\/code>\u6216\u62fc\u63a5\u64cd\u4f5c\uff09\u88ab\u8c03\u7528\u3002\u5b83\u5e38\u7528\u4e8e\u6784\u9020POP\u94fe\u4e2d\u7684\u201c\u4e2d\u95f4\u6b65\u9aa4\u201d\uff0c\u901a\u8fc7\u8fd4\u56de\u53e6\u4e00\u4e2a\u5bf9\u8c61\u6216\u8c03\u7528\u5176\u4ed6\u65b9\u6cd5\u3002<\/li>\n
  • __call()<\/code><\/strong>\uff1a\u5f53\u8c03\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u6216\u4e0d\u53ef\u8bbf\u95ee\u7684\u65b9\u6cd5\u65f6\u89e6\u53d1\u3002\u8fd9\u4e3a\u201c\u65b9\u6cd5\u52ab\u6301\u201d\u63d0\u4f9b\u4e86\u53ef\u80fd\u3002<\/li>\n
  • __get()<\/code><\/strong>\uff1a\u5f53\u8bfb\u53d6\u4e00\u4e2a\u4e0d\u53ef\u8bbf\u95ee\u7684\u5c5e\u6027\u65f6\u89e6\u53d1\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u4ee3\u7406\u8bbf\u95ee\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u5c5e\u6027\u3002<\/li>\n<\/ul>\n

    \u8fd9\u4e9b\u9b54\u672f\u65b9\u6cd5\u5728\u5f00\u53d1\u8005\u624b\u4e2d\u662f\u4fbf\u5229\u7684\u5de5\u5177\uff0c\u4f46\u5728\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u8bed\u5883\u4e0b\uff0c\u5b83\u4eec\u53d8\u6210\u4e86\u201c\u9690\u5f0f\u6267\u884c\u70b9\u201d\u2014\u2014\u653b\u51fb\u8005\u65e0\u6cd5\u76f4\u63a5\u8c03\u7528\u65b9\u6cd5\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u5c5e\u6027\uff0c\u8feb\u4f7f\u8fd9\u4e9b\u65b9\u6cd5\u5728\u5bf9\u8c61\u751f\u547d\u5468\u671f\u4e2d\u81ea\u52a8\u6309\u987a\u5e8f\u89e6\u53d1\u3002<\/p>\n

    1.3 \u6570\u636e\u94fe\u7684\u6982\u5ff5<\/h3>\n

    \u5728\u4f20\u7edf\u7684\u63a7\u5236\u6d41\u5206\u6790\u4e2d\uff0c\u7a0b\u5e8f\u6267\u884c\u8def\u5f84\u7531\u4ee3\u7801\u987a\u5e8f\u51b3\u5b9a\u3002\u800cPOP Chain\u662f\u4e00\u79cd\u53cd\u76f4\u89c9<\/strong>\u7684\u94fe\u5f0f\u8c03\u7528\uff1a\u5b83\u5e76\u975e\u7531\u5f00\u53d1\u8005\u663e\u5f0f\u7f16\u5199\uff0c\u800c\u662f\u7531\u653b\u51fb\u8005\u901a\u8fc7\u8f93\u5165\u6570\u636e\uff08\u5373\u5e8f\u5217\u5316\u540e\u7684\u5c5e\u6027\u503c\uff09\u95f4\u63a5\u201c\u7f16\u7ec7\u201d\u800c\u6210\u3002\u4e00\u4e2a\u5178\u578b\u7684POP\u94fe\u5305\u542b\u4ee5\u4e0b\u5143\u7d20\uff1a<\/p>\n

      \n
    • \u8d77\u70b9\uff08Trigger\uff09<\/strong>\uff1a\u4e00\u4e2a\u53ef\u63a7\u7684\u53cd\u5e8f\u5217\u5316\u70b9\uff08\u5982unserialize($_GET['data'])<\/code>\uff09\u3002<\/li>\n
    • \u4e2d\u95f4\u73af\u8282\uff08Gadgets\uff09<\/strong>\uff1a\u7c7b\u4e2d\u7684\u9b54\u672f\u65b9\u6cd5\u6216\u666e\u901a\u65b9\u6cd5\uff0c\u5b83\u4eec\u6309\u7167\u5c5e\u6027\u503c\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u3001\u7c7b\u578b\u8f6c\u6362\u6216\u65b9\u6cd5\u8c03\u7528\uff0c\u5c06\u653b\u51fb\u8005\u7684\u63a7\u5236\u4ece\u6570\u636e\u6d41\u5bfc\u5411\u6267\u884c\u6d41\u3002<\/li>\n
    • \u7ec8\u70b9\uff08Sink\uff09<\/strong>\uff1a\u6700\u7ec8\u6267\u884c\u5371\u9669\u64cd\u4f5c\u7684\u4ee3\u7801\u884c\uff0c\u4f8b\u5982eval()<\/code>\u3001system()<\/code>\u3001file_put_contents()<\/code>\u6216assert()<\/code>\u3002<\/li>\n<\/ul>\n

      \u56e0\u6b64\uff0cPOP\u94fe\u7684\u672c\u8d28\u662f\u5c06\u6570\u636e\u7684\u7269\u7406\u7ed3\u6784\uff08\u5bf9\u8c61\u5c5e\u6027\uff09\u6620\u5c04\u4e3a\u63a7\u5236\u6d41\u903b\u8f91<\/strong>\u3002\u653b\u51fb\u8005\u901a\u8fc7\u9012\u5f52\u5730\u6784\u9020\u5bf9\u8c61\u5d4c\u5957\uff0c\u4f7f\u5f97\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u53d8\u6210\u4e00\u6b21\u201c\u7f16\u6392\u597d\u7684\u4ee3\u7801\u6267\u884c\u201d\u3002<\/p>\n

      \u7b2c\u4e8c\u7ae0\uff1aPOP\u94fe\u7684\u6838\u5fc3\u6784\u9020\u539f\u7406<\/h2>\n

      2.1 \u6784\u9020\u903b\u8f91\uff1a\u4ece\u76ee\u6807\u5012\u63a8\u7684\u56fe\u8bba\u95ee\u9898<\/h3>\n

      \u6784\u9020\u4e00\u4e2a\u9ad8\u6548\u7684POP\u94fe\u9075\u5faa\u4ece\u540e\u5411\u524d\u7684\u56de\u6eaf\u601d\u60f3\u3002\u5047\u8bbe\u6211\u4eec\u6700\u7ec8\u8981\u5728FileClass<\/code>\u7684__destruct()<\/code>\u65b9\u6cd5\u4e2d\u6267\u884c\u4e00\u4e2a\u7cfb\u7edf\u547d\u4ee4\uff1a<\/p>\n

      public function __destruct() { system($this->command); }<\/code><\/p><\/blockquote>\n

      \u90a3\u4e48\u4f5c\u4e3a\u653b\u51fb\u8005\uff0c\u6211\u4eec\u53ea\u9700\u8981\u63a7\u5236command<\/code>\u5c5e\u6027\u3002\u4f46\u95ee\u9898\u5728\u4e8e\uff1a\u6211\u4eec\u5982\u4f55\u6784\u9020\u4e00\u4e2a\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\uff0c\u4f7f\u5f97\u53cd\u5e8f\u5217\u5316\u540e\uff0c\u8fd9\u4e2acommand<\/code>\u5c5e\u6027\u88ab\u5199\u6210\u6211\u4eec\u60f3\u8981\u7684\u503c\uff1f\u5982\u679cFileClass<\/code>\u7684__wakeup()<\/code>\u65b9\u6cd5\u62d2\u7edd\u53cd\u5e8f\u5217\u5316\uff0c\u6216\u8005command<\/code>\u5c5e\u6027\u662fprivate<\/code>\u4e14\u9700\u8981\u590d\u6742\u8d4b\u503c\uff0c\u90a3\u4e48\u6211\u4eec\u9700\u8981\u501f\u52a9\u5176\u4ed6\u7c7b\u6765\u5e2e\u52a9\u6211\u4eec\u201c\u8bbe\u7f6e\u201d\u8fd9\u4e2a\u5c5e\u6027\u3002\u8fd9\u5c31\u4ea7\u751f\u4e86\u7b2c\u4e00\u6b65\u7684\u4e2d\u95f4\u51fd\u6570\u3002<\/p>\n

      2.2 \u5c5e\u6027\u8d4b\u503c\u94fe\u4e0e\u7c7b\u578b\u6a21\u7cca<\/h3>\n

      PHP\u662f\u5f31\u7c7b\u578b\u8bed\u8a00\uff0c\u8fd9\u5728POP\u94fe\u6784\u9020\u4e2d\u5bf9\u653b\u51fb\u8005\u5341\u5206\u6709\u5229\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u65b9\u6cd5\u671f\u671b\u53c2\u6570\u4e3astring<\/code>\uff0c\u4f46\u5982\u679c\u4f60\u4f20\u5165\u4e00\u4e2a\u5bf9\u8c61\uff0cPHP\u4f1a\u5c1d\u8bd5\u8c03\u7528\u8be5\u5bf9\u8c61\u7684__toString()<\/code>\u65b9\u6cd5\u3002\u8fd9\u79cd\u81ea\u52a8\u7c7b\u578b\u8f6c\u6362\u673a\u5236\u6210\u4e3a\u4e86POP\u94fe\u7684\u201c\u53d1\u52a8\u673a\u201d\u3002<\/p>\n

      \u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff1aLoggerClass<\/code>\u7684logMessage($msg)<\/code>\u65b9\u6cd5\u6267\u884cwrite($msg)<\/code>\uff0c\u800cwrite()<\/code>\u65b9\u6cd5\u5982\u679c\u4f7f\u7528strlen($msg)<\/code>\uff0c\u4e14$msg\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5219\u81ea\u52a8\u89e6\u53d1__toString()<\/code>\u3002\u5982\u679c__toString()<\/code>\u8fd4\u56de\u4e86\u4e00\u4e2a\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u5c31\u5f62\u6210\u4e86\u94fe\u3002\u653b\u51fb\u8005\u4e0d\u9700\u8981\u76f4\u63a5\u7ed9write()<\/code>\u4f20\u53c2\uff0c\u53ea\u9700\u8981\u8ba9logMessage()<\/code>\u8c03\u7528\u65f6\u4f20\u5165\u4e00\u4e2a\u5177\u6709\u5371\u9669__toString()<\/code>\u7684\u5bf9\u8c61\u5373\u53ef\u3002<\/p>\n

      \u8fd9\u4e00\u8fc7\u7a0b\u53ef\u5f52\u7eb3\u4e3a\uff1a\u901a\u8fc7\u9b54\u672f\u65b9\u6cd5\u7684\u7c7b\u578b\u8f6c\u6362\uff0c\u5c06\u5c5e\u6027\u8d4b\u503c\u64cd\u4f5c\u8f6c\u5316\u4e3a\u65b9\u6cd5\u8c03\u7528\u94fe\u3002<\/strong><\/p>\n

      2.3 \u94fe\u7684\u9012\u5f52\u6784\u9020\uff1a\u5bf9\u8c61\u7684\u5d4c\u5957\u4e0e\u5f15\u7528<\/h3>\n

      PHP\u5e8f\u5217\u5316\u652f\u6301\u5bf9\u8c61\u7684\u9012\u5f52\u548c\u5f15\u7528\u5173\u7cfb\u3002\u5373\u4e00\u4e2a\u5bf9\u8c61\u5185\u90e8\u53ef\u4ee5\u5305\u542b\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff0c\u751a\u81f3\u5f62\u6210\u73af\u5f62\u5f15\u7528\uff08cyclic reference\uff09\u3002\u653b\u51fb\u8005\u5229\u7528\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u6784\u9020\u591a\u5c42\u5d4c\u5957\u7684\u5bf9\u8c61\u3002\u4f8b\u5982\uff1a<\/p>\n

        \n
      • \u7c7bA\u7684\u67d0\u4e2a\u5c5e\u6027\u662fpublic $obj<\/code>\uff0c\u5b83\u6301\u6709\u7c7bB\u7684\u5b9e\u4f8b\u3002<\/li>\n
      • \u7c7bB\u7684\u67d0\u4e2a\u65b9\u6cd5execute()<\/code>\u4f1a\u8c03\u7528$this->obj->run()<\/code>\u3002<\/li>\n
      • \u7c7bC\u7684run()<\/code>\u65b9\u6cd5\u53c8\u6267\u884ceval()<\/code>\u3002<\/li>\n<\/ul>\n

        \u653b\u51fb\u8005\u5c06\u7c7bB\u5b9e\u4f8b\u585e\u5165\u7c7bA\uff0c\u7c7bC\u5b9e\u4f8b\u585e\u5165\u7c7bB\uff0c\u8fd9\u6837\u5c31\u6784\u9020\u4e86\u4e00\u4e2a\u4e09\u5c42\u7684\u94fe\u3002\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u5f53\u7c7bA\u7684__destruct()<\/code>\u88ab\u8c03\u7528\uff0c\u5b83\u8c03\u7528$this->obj->execute()<\/code>\uff0c\u8fdb\u800c\u89e6\u53d1run()<\/code>\uff0c\u6700\u540e\u6267\u884ceval()<\/code>\u3002\u6574\u4e2a\u94fe\u7684\u8282\u70b9\u90fd\u662f\u901a\u8fc7\u5c5e\u6027\u4f20\u9012\u7684\u3002<\/p>\n

        2.4 POP\u94fe\u7684\u6570\u5b66\u672c\u8d28\uff1a\u6709\u5411\u56fe\u8def\u5f84\u641c\u7d22<\/h3>\n

        \u4ece\u66f4\u9ad8\u7684\u5c42\u9762\u770b\uff0cPOP\u94fe\u6784\u9020\u662f\u4e00\u4e2a\u5728\u7c7b\u5e93\uff08Class Library\uff09\u56fe\u4e2d\u5bfb\u627e\u4ece\u4efb\u610f\u53ef\u63a7\u5165\u53e3\uff08\u53cd\u5e8f\u5217\u5316\u70b9\uff09\u5230\u5371\u9669\u51fd\u6570\uff08Sink\uff09\u7684\u8def\u5f84\u95ee\u9898\u3002\u6bcf\u4e2a\u7c7b\u4ee3\u8868\u4e00\u4e2a\u8282\u70b9\uff0c\u6bcf\u4e2a\u65b9\u6cd5\uff08\u5c24\u5176\u662f\u9b54\u672f\u65b9\u6cd5\uff09\u4ee3\u8868\u6f5c\u5728\u7684\u8fb9\u3002\u8fb9\u7684\u6743\u91cd\u7531\u5c5e\u6027\u8d4b\u503c\u7684\u53ef\u80fd\u6027\u51b3\u5b9a\u3002\u5982\u679c\u56fe\u4e2d\u7684\u8fb9\u4e0d\u5b58\u5728\uff08\u5373\u65b9\u6cd5\u4e0d\u53ef\u8fbe\uff09\uff0c\u5219\u8be5\u94fe\u4e0d\u53ef\u6784\u9020\u3002<\/p>\n

        \u8fd9\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u5728\u7c7b\u4f3cYii\u3001ThinkPHP\u6216Laravel\u8fd9\u6837\u7684\u6846\u67b6\u4e2d\uff0cPOP\u94fe\u7684\u53d1\u73b0\u5f80\u5f80\u8017\u65f6\u8d39\u529b\uff1a\u56e0\u4e3a\u5bfb\u627e\u4e00\u6761\u53ef\u8fbe\u8def\u5f84\u9700\u8981\u6df1\u5165\u7406\u89e3\u6240\u6709\u7c7b\u7684\u79c1\u6709\u65b9\u6cd5\u3001\u63a5\u53e3\u5b9e\u73b0\u4ee5\u53ca\u5c5e\u6027\u7c7b\u578b\u7ea6\u675f\u3002\u9ed1\u76d2\u6d4b\u8bd5\u96be\u4ee5\u53d1\u73b0\u8fd9\u7c7b\u6f0f\u6d1e\uff0c\u5fc5\u987b\u8fdb\u884c\u767d\u76d2\u4ee3\u7801\u5ba1\u8ba1\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u8be5\u7c7b\u6f0f\u6d1e\u591a\u89c1\u4e8e\u5f00\u6e90CMS\u6216\u6846\u67b6\u7684\u5b89\u5168\u516c\u544a\u4e2d\u3002<\/p>\n

        \u7b2c\u4e09\u7ae0\uff1a\u7ecf\u5178\u6848\u4f8b\u5206\u6790\uff1a\u865a\u62df\u4e0e\u73b0\u5b9e\u7684\u5bf9\u7167<\/h2>\n

        3.1 \u4e00\u4e2a\u7b80\u5316\u7684POP\u94fe\u6784\u9020\u8fc7\u7a0b<\/h3>\n

        \u8ba9\u6211\u4eec\u6784\u9020\u4e00\u4e2a\u6781\u7b80\u4f46\u5b8c\u6574\u7684\u4f8b\u5b50\u3002\u5047\u8bbe\u6709\u4e09\u4e2a\u7c7b\uff1a<\/p>\n


        \nclass A {
        \npublic $obj;
        \npublic function __destruct() {
        \n$this->obj->run();
        \n}
        \n}
        \nclass B {
        \npublic $cmd;
        \npublic function run() {
        \nsystem($this->cmd);
        \n}
        \n}
        \nclass C {
        \npublic $data;
        \npublic function __toString() {
        \nreturn $this->data->getValue();
        \n}
        \n}
        \n<\/code><\/p><\/blockquote>\n

        \u653b\u51fb\u8005\u76ee\u6807\u662f\u5229\u7528system()<\/code>\u3002\u4f46\u53cd\u5e8f\u5217\u5316\u70b9\u53ef\u80fd\u53ea\u63a5\u53d7\u4e00\u4e2a\u5bf9\u8c61\u3002\u5982\u679c\u5c06B\u5bf9\u8c61\u76f4\u63a5\u4f20\u5165\u53cd\u5e8f\u5217\u5316\u70b9\uff0c\u5219__destruct()<\/code>\u5e76\u4e0d\u5b58\u5728\uff0c\u4e0d\u4f1a\u89e6\u53d1run()<\/code>\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u5c06B\u5d4c\u5957\u5728A\u4e2d\u3002\u4f46\u662f\uff0c\u5982\u679cA\u7684__destruct()<\/code>\u76f4\u63a5\u8c03\u7528B\uff0c\u662f\u4e0d\u53ef\u884c\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u5148\u8ba9B\u88ab\u8d4b\u503c\u3002\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u53ea\u9700\u8981\u6784\u9020\u4e00\u4e2aA\u5bf9\u8c61\uff0c\u5c06\u5176obj<\/code>\u5c5e\u6027\u8bbe\u7f6e\u4e3aB\u7684\u5b9e\u4f8b\uff0c\u5e76\u5c06B\u7684cmd<\/code>\u8bbe\u7f6e\u4e3aid<\/code>\u3002\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\u5982\u4e0b\uff1a<\/p>\n

        O:1:\"A\":1:{s:3:\"obj\";O:1:\"B\":1:{s:3:\"cmd\";s:2:\"id\";}}<\/code><\/p><\/blockquote>\n

        \u53cd\u5e8f\u5217\u5316\u540e\uff0cA\u7684__destruct()<\/code>\u6267\u884c\uff0c\u8c03\u7528$this->obj->run()<\/code>\uff0c\u5373B\u7684run()<\/code>\uff0c\u6700\u7ec8system(\"id\")<\/code>\u88ab\u6267\u884c\u3002\u8fd9\u662f\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u4e24\u8282\u70b9POP\u94fe\u3002<\/p>\n

        3.2 \u771f\u5b9e\u4e16\u754c\u4e2d\u7684\u94fe\uff1a\u5229\u7528__wakeup\u4e0e__destruct<\/h3>\n

        \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8bb8\u591a\u7c7b\u4f1a\u7981\u7528__wakeup()<\/code>\uff08\u4f8b\u5982\u901a\u8fc7\u7248\u672c\u5dee\u5f02\u7ed5\u8fc7CVE-2016-7124\u6f0f\u6d1e\uff0c\u5373\u5f53\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\u4e2d\u5bf9\u8c61\u7684\u5c5e\u6027\u6570\u91cf\u5927\u4e8e\u5b9e\u9645\u5c5e\u6027\u6570\u91cf\u65f6\uff0c__wakeup()<\/code>\u4f1a\u88ab\u8df3\u8fc7\uff09\u3002\u8fd9\u7ed9\u4e86\u653b\u51fb\u8005\u7ed5\u8fc7\u521d\u59cb\u5316\u68c0\u67e5\u7684\u673a\u4f1a\u3002\u53e6\u4e00\u4e2a\u5e38\u89c1\u6280\u5de7\u662f\u5229\u7528__toString()<\/code>\u5c06\u53ef\u6253\u5370\u7684\u5bf9\u8c61\u8f6c\u5316\u4e3a\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u6267\u884c\u73af\u5883\u3002\u4f8b\u5982\u5728Smarty\u6a21\u677f\u5f15\u64ce\u7684POP\u94fe\u6f0f\u6d1e\u4e2d\uff0c\u653b\u51fb\u8005\u901a\u8fc7\u6784\u9020\u4e00\u4e2a\u5305\u542b\u6076\u610f\u5bf9\u8c61\u7684\u5b57\u7b26\u4e32\uff0c\u8feb\u4f7f__toString()<\/code>\u8fd4\u56de\u4e00\u4e2a\u6a21\u677f\u89e3\u6790\u5bf9\u8c61\uff0c\u6700\u7ec8\u6267\u884c\u4e86file_get_contents()<\/code>\u7b49\u6587\u4ef6\u64cd\u4f5c\u3002<\/p>\n

        3.3 \u9488\u5bf9\u79c1\u6709\u5c5e\u6027\u7684\u64cd\u4f5c<\/h3>\n

        \u5728PHP\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\u4e2d\uff0c\u79c1\u6709\u5c5e\u6027\u4f1a\u88ab\u7f16\u7801\u4e3a\\x00ClassName\\x00propertyName<\/code>\u3002\u8bb8\u591a\u4ee3\u7801\u5ba1\u8ba1\u5de5\u5177\u96be\u4ee5\u5904\u7406\u8fd9\u79cd\u4e0d\u53ef\u89c1\u5b57\u7b26\u3002\u653b\u51fb\u8005\u5fc5\u987b\u624b\u52a8\u6784\u9020\u8fd9\u4e9b\u7a7a\u5b57\u8282\u4ee5\u6b63\u786e\u8bbe\u7f6e\u79c1\u6709\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u82e5\u7c7bUser<\/code>\u6709\u4e00\u4e2a\u79c1\u6709\u5c5e\u6027$secret<\/code>\uff0c\u5e8f\u5217\u5316\u540e\u53ef\u80fd\u53d8\u4e3as:17:\"\\x00User\\x00secret\";s:5:\"admin\";<\/code>\u3002\u8fd9\u610f\u5473\u7740\u653b\u51fb\u8005\u5fc5\u987b\u7cbe\u786e\u63a7\u5236\u7c7b\u540d\u548c\u7a7a\u5b57\u8282\u4f4d\u7f6e\uff0c\u5426\u5219\u53cd\u5e8f\u5217\u5316\u5931\u8d25\u3002\u8fd9\u79cd\u6280\u672f\u63d0\u9ad8\u4e86\u6784\u9020\u96be\u5ea6\uff0c\u4f46\u4e5f\u662f\u4e13\u4e1a\u6f0f\u6d1e\u6316\u6398\u8005\u5fc5\u987b\u638c\u63e1\u7684\u3002<\/p>\n

        \u7b2c\u56db\u7ae0\uff1a\u5229\u7528\u8fc7\u7a0b\u4e2d\u7684\u5173\u952e\u7ea6\u675f\u4e0e\u7ed5\u8fc7<\/h2>\n

        4.1 \u7248\u672c\u517c\u5bb9\u6027\u4e0e\u9b54\u672f\u884c\u4e3a\u7684\u53d8\u5316<\/h3>\n

        PHP\u7684\u4e0d\u540c\u7248\u672c\u5bf9\u9b54\u672f\u65b9\u6cd5\u7684\u8c03\u7528\u987a\u5e8f\u5b58\u5728\u5dee\u5f02\u3002\u4f8b\u5982\uff0c\u5728PHP 5.6\u4e2d__wakeup()<\/code>\u5728__destruct()<\/code>\u4e4b\u524d\u6267\u884c\uff0c\u800c\u5728\u67d0\u4e9b\u8865\u4e01\u540e\uff0c\u5f53\u53d1\u751f\u5f02\u5e38\u65f6\u8c03\u7528\u987a\u5e8f\u53ef\u80fd\u6539\u53d8\u3002\u540c\u65f6\uff0c__unserialize()<\/code>\uff08PHP 7.4+\u652f\u6301\uff09\u63d0\u4f9b\u4e86\u66f4\u7cbe\u7ec6\u7684\u63a7\u5236\uff0c\u4f46\u4ecd\u53ef\u80fd\u88ab\u7ed5\u8fc7\u3002\u653b\u51fb\u8005\u5fc5\u987b\u9488\u5bf9\u76ee\u6807\u73af\u5883\u7684PHP\u7248\u672c\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n

        4.2 \u7c7b\u578b\u63d0\u793a\u4e0e\u4e25\u683c\u6a21\u5f0f<\/h3>\n

        \u73b0\u4ee3PHP\u6846\u67b6\u5f15\u5165\u4e86\u7c7b\u578b\u58f0\u660e\uff08Type Hinting\uff09\u548c\u4e25\u683c\u6a21\u5f0f\uff08declare(strict_types=1)\uff09\u3002\u5982\u679c\u65b9\u6cd5\u7684\u53c2\u6570\u8981\u6c42\u4e00\u4e2a\u6574\u578b\u5374\u88ab\u4f20\u5165\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5219\u629b\u51faTypeError\uff0c\u94fe\u65ad\u88c2\u3002\u56e0\u6b64\uff0cPOP\u94fe\u7684\u6784\u9020\u5fc5\u987b\u8003\u8651\u7c7b\u578b\u517c\u5bb9\u6027\u3002\u653b\u51fb\u8005\u901a\u5e38\u5bfb\u627e\u90a3\u4e9b\u53c2\u6570\u7c7b\u578b\u4e3amixed<\/code>\u6216object<\/code>\u7684\u65b9\u6cd5\uff0c\u6216\u8005\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u7684\u65b9\u6cd5\uff08\u5982(string) $var<\/code>\uff09\u3002<\/p>\n

        4.3 \u5783\u573e\u56de\u6536\u4e0e\u5faa\u73af\u5f15\u7528<\/h3>\n

        \u82e5\u5bf9\u8c61\u5b58\u5728\u5faa\u73af\u5f15\u7528\uff08A\u5f15\u7528B\uff0cB\u5f15\u7528A\uff09\uff0c\u53cd\u5e8f\u5217\u5316\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u5bfc\u81f4\u65e0\u9650\u9012\u5f52\u6216\u5185\u5b58\u6ea2\u51fa\u3002\u4f46\u653b\u51fb\u8005\u5229\u7528\u6b64\u7279\u6027\u53ef\u5ef6\u957f\u5bf9\u8c61\u751f\u547d\u5468\u671f\uff0c\u4f7f\u5f97\u539f\u672c\u5728__destruct()<\/code>\u4e2d\u7684\u6267\u884c\u70b9\u5ef6\u8fdf\u5230\u811a\u672c\u672b\u5c3e\uff0c\u4ece\u800c\u7ed5\u8fc7\u67d0\u4e9b\u5373\u65f6\u5b89\u5168\u68c0\u67e5\u3002<\/p>\n

        4.4 \u5c5e\u6027\u8986\u76d6\u4e0e\u52a8\u6001\u5c5e\u6027<\/h3>\n

        PHP\u5141\u8bb8\u52a8\u6001\u5730\u4e3a\u5bf9\u8c61\u8bbe\u7f6e\u672a\u5728\u7c7b\u4e2d\u5b9a\u4e49\u7684\u5c5e\u6027\uff08\u901a\u8fc7$obj->newProp = value<\/code>\uff09\u3002\u5728\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u672a\u77e5\u5c5e\u6027\u4e5f\u4f1a\u88ab\u6062\u590d\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u4e00\u70b9\uff0c\u5411\u4e0d\u671f\u671b\u63a5\u6536\u5916\u90e8\u6570\u636e\u7684\u7c7b\u4e2d\u6ce8\u5165\u989d\u5916\u5c5e\u6027\uff0c\u4ece\u800c\u5f71\u54cd\u67d0\u4e9b\u57fa\u4e8eisset()<\/code>\u6216get_object_vars()<\/code>\u7684\u68c0\u67e5\u903b\u8f91\u3002\u4e0d\u8fc7\uff0c\u5982\u679c\u7c7b\u5b9e\u73b0\u4e86Serializable<\/code>\u63a5\u53e3\uff0c\u5219\u52a8\u6001\u5c5e\u6027\u53ef\u80fd\u88ab\u5ffd\u7565\u3002<\/p>\n

        \u7b2c\u4e94\u7ae0\uff1a\u4fe1\u606f\u5b89\u5168\u89c6\u89d2\u4e0b\u7684\u9632\u5fa1\u4e0e\u68c0\u6d4b<\/h2>\n

        5.1 \u6d88\u9664\u53cd\u5e8f\u5217\u5316\u5165\u53e3<\/h3>\n

        \u6700\u76f4\u63a5\u7684\u9632\u5fa1\u662f\u5728\u4e0d\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\u4e0d\u4f7f\u7528unserialize()<\/code>\u51fd\u6570\u3002\u8bb8\u591a\u73b0\u4ee3\u6846\u67b6\u5df2\u7ecf\u8f6c\u5411\u4f7f\u7528JSON\u5e8f\u5217\u5316\uff08json_encode\/json_decode<\/code>\uff09\uff0c\u5b83\u4e0d\u5305\u542b\u7c7b\u7684\u5143\u4fe1\u606f\uff0c\u56e0\u6b64\u65e0\u6cd5\u89e6\u53d1\u9b54\u672f\u65b9\u6cd5\u3002\u5373\u4f7f\u662f\u5e8f\u5217\u5316\u6570\u636e\uff0c\u4e5f\u5e94\u4f18\u5148\u4f7f\u7528json<\/code>\u683c\u5f0f\u3002\u5982\u679c\u5fc5\u987b\u4f7f\u7528PHP\u5e8f\u5217\u5316\uff0c\u5219\u8981\u6c42\u7528\u6237\u8f93\u5165\u7ecf\u8fc7\u4e25\u683c\u7684\u9a8c\u8bc1\u673a\u5236\uff0c\u4f8b\u5982\u4f7f\u7528\u56fa\u5b9a\u7684\u5bc6\u94a5\u8fdb\u884cHMAC\u7b7e\u540d\uff0c\u9632\u6b62\u7be1\u6539\u3002<\/p>\n

        5.2 \u5229\u7528\u767d\u540d\u5355\u4e0e\u7c7b\u52a0\u8f7d\u9650\u5236<\/h3>\n

        PHP 7.0+\u652f\u6301\u5728unserialize()<\/code>\u4e2d\u4f20\u5165\u7b2c\u4e8c\u4e2a\u53c2\u6570allowed_classes\uff0c\u6307\u5b9a\u53ef\u53cd\u5e8f\u5217\u5316\u7684\u7c7b\u767d\u540d\u5355\u3002\u8fd9\u53ef\u4ee5\u963b\u6b62\u4efb\u610f\u7c7b\u7684\u5b9e\u4f8b\u5316\u3002\u4f8b\u5982\uff1a<\/p>\n

        unserialize($data, ['allowed_classes' => ['MyClass', 'AnotherClass']]);<\/code><\/p><\/blockquote>\n

        \u4f46\u9632\u5fa1\u8005\u9700\u8b66\u60d5\uff1a\u5373\u4f7f\u7c7b\u5728\u767d\u540d\u5355\u5185\uff0c\u82e5\u8fd9\u4e9b\u7c7b\u672c\u8eab\u5b58\u5728\u5371\u9669POP\u94fe\uff0c\u653b\u51fb\u8005\u4ecd\u53ef\u80fd\u5229\u7528\u3002\u56e0\u6b64\u767d\u540d\u5355\u5fc5\u987b\u4e25\u683c\u9650\u5b9a\u4e3a\u503c\u5bf9\u8c61\uff08DTO\uff09\uff0c\u5373\u4e0d\u5305\u542b\u4efb\u4f55\u9b54\u672f\u65b9\u6cd5\u6216\u4ec5\u6709\u65e0\u5bb3\u884c\u4e3a\u7684\u7c7b\u3002<\/p>\n

        5.3 \u4ee3\u7801\u5ba1\u8ba1\u4e2d\u7684POP\u94fe\u68c0\u6d4b\u65b9\u6cd5\u8bba<\/h3>\n

        \u5728\u5b89\u5168\u5ba1\u8ba1\u4e2d\uff0c\u68c0\u6d4bPOP\u94fe\u9700\u8981\u7ed3\u5408\u9759\u6001\u5206\u6790\u4e0e\u52a8\u6001\u6a21\u7cca\u6d4b\u8bd5\uff1a<\/p>\n

          \n
        • \u9759\u6001\u5206\u6790<\/strong>\uff1a\u641c\u7d22unserialize()<\/code>\u8c03\u7528\u70b9\uff0c\u5e76\u5b9a\u4f4d\u5176\u6570\u636e\u6765\u6e90\uff08\u5982GET\/POST\u3001Cookie\u3001\u6587\u4ef6\u5185\u5bb9\uff09\u3002\u7136\u540e\u904d\u5386\u6240\u6709\u7c7b\u7684\u65b9\u6cd5\uff0c\u6807\u8bb0\u9b54\u672f\u65b9\u6cd5\uff08\u7279\u522b\u662f__destruct<\/code>\u3001__toString<\/code>\u3001__wakeup<\/code>\uff09\uff0c\u5e76\u8ffd\u8e2a\u8fd9\u4e9b\u65b9\u6cd5\u5185\u7684\u8c03\u7528\u94fe\uff08\u8c03\u7528\u4e86\u54ea\u4e9b\u5176\u4ed6\u7c7b\u7684\u65b9\u6cd5\uff09\u3002\u56fe\u904d\u5386\u7b97\u6cd5\uff08\u5982BFS\/DFS\uff09\u80fd\u8f85\u52a9\u627e\u51fa\u6f5c\u5728\u7684\u94fe\u3002<\/li>\n
        • \u52a8\u6001\u5206\u6790<\/strong>\uff1a\u4f7f\u7528Xdebug\u6216Taint\u5206\u6790\u5de5\u5177\uff0c\u5728\u53cd\u5e8f\u5217\u5316\u70b9\u6ce8\u5165\u4f2a\u9020\u7684\u5e8f\u5217\u5316\u6570\u636e\uff0c\u5e76\u76d1\u63a7eval<\/code>\u3001system<\/code>\u7b49\u5371\u9669\u51fd\u6570\u7684\u8c03\u7528\u6808\u3002\u5982\u679c\u53d1\u73b0\u8c03\u7528\u6808\u5d4c\u5957\u4e86\u591a\u4e2a\u4e0d\u76f8\u5173\u7684\u7c7b\uff0c\u5219\u53ef\u80fd\u5b58\u5728POP\u94fe\u3002<\/li>\n<\/ul>\n

          5.4 \u8fd0\u884c\u65f6\u4fdd\u62a4\uff1a\u7981\u7528\u5371\u9669\u51fd\u6570\u4e0e\u9519\u8bef\u6291\u5236<\/h3>\n

          \u5373\u4f7f\u94fe\u6784\u9020\u6210\u529f\uff0c\u5982\u679c\u670d\u52a1\u5668\u5df2\u7ecf\u901a\u8fc7disable_functions<\/code>\u7981\u6b62\u4e86system<\/code>\u3001exec<\/code>\u7b49\uff0c\u6216\u5f00\u542f\u4e86Suhosin\u6269\u5c55\uff0c\u653b\u51fb\u8005\u7684\u5229\u7528\u6548\u679c\u5c06\u5927\u5e45\u964d\u4f4e\u3002\u4f46\u8fd9\u5e76\u975e\u6839\u672c\u89e3\u51b3\uff0c\u56e0\u4e3a\u653b\u51fb\u8005<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u5f15\u8a00\uff1a\u4ece\u7f16\u7a0b\u8303\u5f0f\u5230\u5b89\u5168\u9690\u60a3\u7684\u6865\u6881 \u5728Web\u5b89\u5168\u9886\u57df\uff0c\u968f\u7740PHP\u8bed\u8a00\u7684\u5e7f\u6cdb\u4f7f\u7528\uff0c\u5176\u7075\u6d3b\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7279\u6027\u5728\u5e26\u6765\u5f3a\u5927\u8868\u8ff0\u529b\u7684\u540c\u65f6\uff0c\u4e5f\u5f15\u5165\u4e86\u7279\u5b9a\u7684\u653b\u51fb\u9762\u3002\u5176\u4e2d\uff0cPHP POP\u94fe\uff08Property-Oriented Programming Chain\uff0c\u5c5e\u6027\u5bfc\u5411\u7f16\u7a0b\u94fe\uff09\u4fbf\u662f\u5229\u7528PHP\u5bf9\u8c61\u5e8f\u5217\u5316\u673a\u5236\u4e0e\u9b54\u672f\u65b9\u6cd5\u4e4b…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,11,5],"tags":[],"class_list":["post-979","post","type-post","status-publish","format-standard","hentry","category-python","category-ai","category-llm"],"_links":{"self":[{"href":"https:\/\/htmacg.cn\/index.php?rest_route=\/wp\/v2\/posts\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/htmacg.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/htmacg.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/htmacg.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/htmacg.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=979"}],"version-history":[{"count":0,"href":"https:\/\/htmacg.cn\/index.php?rest_route=\/wp\/v2\/posts\/979\/revisions"}],"wp:attachment":[{"href":"https:\/\/htmacg.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/htmacg.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/htmacg.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}