{"id":473,"date":"2014-02-07T16:08:50","date_gmt":"2014-02-07T08:08:50","guid":{"rendered":"http:\/\/julyclyde.org\/?p=473"},"modified":"2014-02-28T22:53:27","modified_gmt":"2014-02-28T14:53:27","slug":"php-%e6%88%90%e4%b9%9fweb%ef%bc%8c%e8%b4%a5%e4%b9%9fweb","status":"publish","type":"post","link":"https:\/\/julyclyde.org\/?p=473","title":{"rendered":"PHP\u2014\u2014\u6210\u4e5fWeb\uff0c\u8d25\u4e5fWeb"},"content":{"rendered":"<p>\u65e9\u5e74\u6211\u5e76\u4e0d\u77e5\u9053Python\u5199\u7684Web\u5e94\u7528\u662f\u600e\u4e48\u90e8\u7f72\u7684\uff0c\u603b\u89c9\u5f97\u50cfPHP\u3001ASP\u4e00\u6837\uff0c\u4ec5\u4ec5\u63d0\u4f9b\u4e00\u4e2a\u8bed\u8a00\u7ea7\u522b\u7684\u6267\u884c\u6a21\u5757\uff0c<a title=\"web\u670d\u52a1\u5668\u548cweb\u5e94\u7528\u7684\u7ed3\u5408\u65b9\u5f0f\u662f\u4e2a\u5f88\u9ebb\u70e6\u7684\u4e8b\u554a\" href=\"https:\/\/julyclyde.org\/?p=212\">\u76f4\u63a5\u5d4c\u5165Web\u670d\u52a1\u5668\u8fd0\u884c<\/a>\uff0c\u751a\u81f3\u4e8e\u76f4\u63a5\u5bf9\u5916\u63d0\u4f9b\u5e26\u6269\u5c55\u540d\u7684URL\u90fd\u662f\u81ea\u7136\u800c\u7136\u7684\u4e8b\u60c5\u3002<\/p>\n<p>\u524d\u4e00\u9635\u5b66\u4e60\u4e86Python\uff0c\u603b\u662f\u5982\u522b\u4eba\u4e00\u6837\uff0c\u4e0d\u81ea\u89c9\u7684\u548cPHP\u8fdb\u884c\u5bf9\u6bd4\u3002\u968f\u7740\u5b66\u4e60\u7684\u9010\u6b65\u6df1\u5165\uff0c\u66f4\u53d1\u73b0PHP\u7684\u53d1\u5c55\u53d7\u9650\u4e8e\u5176Web\u51fa\u8eab\uff0c\u6050\u5c06\u6765\u96be\u6210\u6b63\u7ecf\u7684\u901a\u7528\u5f00\u53d1\u8bed\u8a00\u3002<\/p>\n<p>\u5148\u8bf4\u8bf4PHP\u4ece\u5386\u53f2\u5230\u4eca\u5929\u5206\u522b\u662f\u600e\u4e48\u8fd0\u884c\u7684\uff1a<\/p>\n<ul>\n<li>CGI SAPI\uff1a\u7531Web\u670d\u52a1\u5668\u7684\u8bf7\u6c42\u5904\u7406\u8fdb\u7a0bfork+exec\u8fd9\u4e2aCGI\uff0c\u7528\u73af\u5883\u53d8\u91cf\u5355\u5411\u4f20\u9012Headers\u7ed9\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e94\u7528\u7a0b\u5e8f\u4ecestdin\u8bfbrequest body\uff0c\u5176stdout\u4f1a\u88abWeb\u670d\u52a1\u5668\u4f5c\u4e3aresponse headers\u548cbody\u8f93\u51fa\u7ed9\u5ba2\u6237\u7aef\u3002Web\u670d\u52a1\u5668\u548cPHP CGI\u7684\u5173\u7cfb\u662f\u7236\u5b50\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u8f83\u6162\u65f6\uff08\u5fd9\u4e8e\u8ba1\u7b97\u3001\u5916\u90e8I\/O\u7b49\uff09\uff0c\u4f1a\u963b\u585e\u5bf9\u5e94\u7684Web\u670d\u52a1\u5668\u8fdb\u7a0b\/\u7ebf\u7a0b\uff1b\u800c\u4e14\u56e0\u4e3aCGI\u8fdb\u7a0b\u7684\u8f93\u5165\u4e4b\u4e00\u662f\u73af\u5883\u53d8\u91cf\uff0c\u5bfc\u81f4\u5176\u53ea\u80fd\u4e00\u6b21\u6027\u4f7f\u7528\uff0c\u9700\u8981\u627f\u62c5\u9891\u7e41fork()\u7684\u5f00\u9500<\/li>\n<li>Apache2Handler\u7b49Web\u670d\u52a1\u5668\u6a21\u5757\u7c7bSAPI\uff1aApache2\u8c03\u7528Handler\uff0c\u5e76\u5411\u5176\u4f20\u9012server_context\uff1bHandler\u5229\u7528server_context\u8bfb\u5230Header\u3001body\u7b49\u5185\u5bb9\u4e4b\u540e<a href=\"http:\/\/lxr.php.net\/xref\/PHP_5_5\/sapi\/apache2handler\/sapi_apache2.c\">\u6784\u9020\u8d77PHP\u811a\u672c\u7684context<\/a>\uff0c\u4e5f\u5c31\u662f$_SERVER\u4e4b\u7c7b\uff0c\u7136\u540e\u5f00\u59cb\u6267\u884cPHP\u811a\u672c\u3002\u800c\u811a\u672c\u6267\u884c\u7684\u8f93\u51fa\u4e5f\u76f4\u63a5\u88abWeb\u670d\u52a1\u5668\u6536\u96c6\u3002PHP\u548cWeb\u670d\u52a1\u5668\u5728\u540c\u4e00\u4e2a\u8fdb\u7a0b\u5185\u6267\u884c\uff0c\u5904\u4e8e\u5b8c\u5168\u4ece\u5c5e\u7684\u5730\u4f4d\u3002Apache2Handler\u65b9\u5f0f\u672c\u6765\u53ef\u4ee5\u901a\u8fc7\u591a\u7ebf\u7a0b\u7b49\u65b9\u5f0f\u8ba9Apache\u4e0d\u53d7PHP\u963b\u585e\uff0c\u4f46\u7531\u4e8e<a href=\"http:\/\/www.php.net\/manual\/en\/faq.installation.php#faq.installation.apache2\">PHP\u793e\u533a\u7684\u575a\u6301<\/a>\uff0c\u76ee\u524d\u5e38\u89c1\u7684Apache2+PHP\u914d\u7f6e\u90fd\u662fprefork MPM\u7684\uff0c\u4ee5\u81f3\u4e8e\u6027\u80fd\u76f8\u5f53\u4e00\u822c<\/li>\n<li>FastCGI SAPI\uff1a\u539f\u7406\u662f\u628a\u6bcf\u6b21fork\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\uff0c\u53d8\u6210\u4e00\u4e2a\u4e0d\u9000\u51fa\u7684\u5faa\u73af\uff0c\u6bcf\u5faa\u73af\u4e00\u8f6e\u5c31\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\uff1b\u591a\u8fdb\u7a0blisten\u5728\u540c\u4e00\u4e2asocket\u4e0a\uff0c\u5b9e\u73b0\u5e76\u53d1\u3002PHP-FPM\u662f\u540e\u6765\u7684\u4e00\u4e2a\u6c11\u95f4\u8865\u4e01\u9879\u76ee\uff0c\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u8fdb\u7a0b\u7ba1\u7406\u548c\u9644\u52a0\u529f\u80fd\uff0c\u5904\u7406\u5b8cLicense\u95ee\u9898\u4e4b\u540e\uff0cFPM\u5408\u5e76\u5165PHP\u4e3b\u7ebf\u3002Web\u670d\u52a1\u5668\u548cPHP\u7684\u5173\u7cfb\u662f\u7f51\u7edc\u901a\u4fe1\u7684\u5173\u7cfb\uff0c\u53ef\u4ee5\u5206\u79bb\u5230\u4e0d\u540c\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u3002Web\u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528\u591a\u7ebf\u7a0b\u6216\u8005I\/O\u590d\u7528\u6280\u672f\u6765\u5904\u7406\u522b\u7684\u8bf7\u6c42\uff0c\u6027\u80fd\u4f1a&gt;\u6bd4\u524d\u4e8c\u8005\u597d\u5f88\u591a\u3002\u4f46FPM\u7684\u5b9e\u73b0\u4ecd\u7136\u4e0d\u591f\u597d\u3002<\/li>\n<\/ul>\n<p>PHP\u7684\u5404\u79cd\u6269\u5c55\u6a21\u5757\uff0c\u5927\u90fd\u662f\u504f\u91cd\u4e8e\u6570\u636e\u5e93\u3001\u5b57\u7b26\u4e32\u5904\u7406\u7b49\u5e94\u7528\u5c42\u9762\u7684\u529f\u80fd\uff0c\u5145\u5206\u4f53\u73b0\u4e86\u5176\u4f5c\u4e3aWeb\u5f00\u53d1\u5229\u5668\u7684\u7279\u70b9\uff1b\u800c\u5bf9\u4e8eI\/O\u3001POSIX\u57fa\u7840\u529f\u80fd\uff0c\u5219\u5173\u6ce8\u8f83\u5c11\u3002<br \/>\nWeb\u5f00\u53d1\u4e4b\u5916\u7684\u9886\u57df\uff0c\u7528PHP\u5199\u72ec\u7acb\u8fd0\u884c\u7684\u670d\u52a1\u5668\uff0c\u5e76\u4e0d\u662f\u4e3b\u6d41\u7684\u7528\u6cd5\u3002\u5176\u4f9d\u8d56\u7684pcntl\u3001pthread\u7b49\u6a21\u5757\u4e5f\u662f\u8f83\u665a\u52a0\u8fdb\u6765\u7684\uff0c\u800c\u4e14\u4e5f\u6ca1\u5565\u4eba\u7528\u3002\u7528<\/p>\n<ol>\n<li>PEAR Net_Server\uff08\u65e0\u4eba\u7ef4\u62a4\uff09 \u901a\u7528\u670d\u52a1\u5668\u6846\u67b6<\/li>\n<li>PEAR HTTP2 \u534f\u8bae\u89e3\u6790\u5e93<\/li>\n<li>PEAR HTTP_Server\uff08\u65e0\u4eba\u7ef4\u62a4\uff09 HTTP\u670d\u52a1\u5668\u6846\u67b6<\/li>\n<li>PECL pecl_HTTP\uff08\u9700\u8981\u7f16\u8bd1\uff09 HTTP\u670d\u52a1\u5668\u6846\u67b6\uff0c\u6211\u6ca1\u7f16\u8bd1\u51fa\u6765\u2026\u2026<br \/>\n\u7b49\u51e0\u4e2a\u6a21\u5757\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u521b\u4f5c\u4e00\u4e2a\u72ec\u7acb\u7684HTTP\u9759\u6001\u6587\u4ef6\u6216SOA\u670d\u52a1\uff1b\u4f46\u5982\u679c\u60f3\u5728\u5176\u4e2d\u8fd0\u884c\u4e00\u822c\u7684Web PHP\u811a\u672c\uff0c\u5c31\u9700\u8981\u7528PHP\u672c\u8eab\u5b9e\u73b0\u4e00\u4e2aSAPI\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u8f93\u5165\u65b9\u9762\u662f\u5f88\u5bb9\u6613\u4eff\u5236\u7684\uff0c\u9664\u4e86\u9700\u8981\u6784\u9020<a href=\"http:\/\/cn2.php.net\/manual\/en\/reserved.variables.php\">Predefined\/Reserved Variables<\/a>\uff08\u611f\u8c22\u4f5c\u8005\uff0c$_SERVER\u7b49\u53ea\u662f\u666e\u901a\u6570\u7ec4\uff0c\u53ea\u987b\u586b\u5145\u5185\u5bb9\u5373\u53ef\uff09\u518d\u5199\u4e00\u4e0b\u4e0a\u4f20\u6587\u4ef6\u81ea\u52a8\u5b58\u76d8\u7684\u5904\u7406\u5c31\u5dee\u4e0d\u591a\u4e86<\/li>\n<li>\u8f93\u51fa\u65b9\u9762\u5c31\u6bd4\u8f83\u9ebb\u70e6\uff0c\u56e0\u4e3a\u201c\u5199\u201d\u662f\u52a8\u4f5c\uff0c\u662f\u5bf9\u5916\u90e8\u73af\u5883\u65bd\u52a0\u5f71\u54cd\u7684\u3002\u8003\u8651\u5230PHP\u6df1\u6df1\u7684\u201c\u5047\u8bbestdout\u201d\u60c5\u7ed3\uff0c\u987b\u4f7f\u7528output buffer\u673a\u5236\u6536\u96c6\u8f93\u51fa\u5185\u5bb9\uff0c\u526f\u4f5c\u7528\u662fchunked\u8f93\u51fa\u7684\u7a0b\u5e8f\u4f1a\u4e27\u5931\u5206\u6bb5\u6548\u679c\uff0c\u53d8\u6210\u7f13\u51b2\u8f93\u51fa\uff1bheader()\u51fd\u6570\u9700\u8981\u7528pecl-apd\u6269\u5c55\u4e2d\u7684override_function()\u51fd\u6570\uff0c\u4f46\u6b64\u6269\u5c55\u5374\u65e0\u6cd5\u517c\u5bb9\u5f53\u524d\u7684ZendAPI\uff0c\u65e0\u6cd5\u7f16\u8bd1\u6210\u529f<\/li>\n<\/ul>\n<p>\u4f20\u7edf\u4e0a\uff0c\u534f\u8bae\u89e3\u6790\u662fSAPI\u7684\u5de5\u4f5c\uff0cPHP\u7684\u8bed\u8a00\u5f15\u64ce\u90e8\u5206\u4ece\u5c5e\u4e8eSAPI\uff0c\u4ee5\u81f3\u4e8e\u6ca1\u79ef\u7d2f\u51fa\u4ec0\u4e48\u597d\u7528\u7684\u534f\u8bae\u89e3\u6790\u5e93\uff1b\u800cPHP\u4e66\u5199\u7684Web\u5e94\u7528\u5411\u6765\u90fd\u662f\u76f4\u63a5\u8c03\u7528SAPI\u63d0\u4f9b\u7684\u51fd\u6570\uff0c\u79ef\u4e60\u96be\u6539\uff0c\u4ee5\u81f3\u4e8e\u60f3\u7528PHP\u672c\u8eab\u6765\u5199Web\u670d\u52a1\u5668\u5c31\u987b\u8981\u53bb\u5b9e\u73b0\u4e00\u4e2aSAPI\uff0c\u4f46\u53c8\u4f1a\u906d\u9047\u5230\u8fd9\u4e2a\u8bed\u8a00\u672c\u8eab\u7684Web\u70d9\u5370\u592a\u6df1\u3001\u5047\u8bbe\u592a\u591a\uff0c\u4ee5\u53ca\u4e0d\u591f\u201c\u52a8\u6001\u201d\u7684\u95ee\u9898\u3002<br \/>\n\u4f20\u7edf\u4e0a\uff0c\u7f51\u7edc\u901a\u4fe1\u5411\u6765\u4e5f\u4e0d\u987b\u7531PHP\u6765\u5904\u7406\uff0c\u4ee5\u81f3\u4e8e\u4e5f\u6ca1\u79ef\u7d2f\u51fa\u4ec0\u4e48\u597d\u7528\u7684\u901a\u4fe1\u6846\u67b6\u5e93\u3002<\/p>\n<p>\u6700\u7ec8\uff0cPHP\u6210\u4e86\u4e00\u4e2aWeb only\u7684\u5f00\u53d1\u8bed\u8a00\u3002\u771f\u53ef\u8c13\u6210\u4e5fWeb\u3001\u8d25\u4e5fWeb\u3002<\/p>\n<p>\u4e00\u4e9b\u65b0\u5174\u7684PECL\u6269\u5c55\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fdI\/O\u6846\u67b6\uff0c\u6bd4\u5982swoole\uff0c\u4f46\u56e0\u4e3a\u4e0a\u8ff0SAPI\u7684\u95ee\u9898\uff0c\u76ee\u524d\u5c1a\u672a\u51fa\u73b0\u50cfPython\u90a3\u6837\u7528PHP\u672c\u8eab\u5199\u7684PHP Web\u670d\u52a1\u5668\u3002<\/p>\n<p>\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4e0d\u7528\u5199&lt;%\u7684Python\u8bed\u8a00\uff0c\u5176\u53d1\u5c55\u9053\u8def\u5c31\u66f4\u52a0general purpose\u4e00\u4e9b\uff1a<\/p>\n<ol>\n<li>\u6807\u51c6\u5e93\u4e2d\u6709os\u3001multiprocess\u3001threading\u3001select\u7b49\u6a21\u5757\uff0c\u4e00\u770b\u5c31\u662f\u9762\u5411\u7cfb\u7edf\u7f16\u7a0b\u800c\u975e\u4ec5\u4ec5\u9488\u5bf9Web\u5f00\u53d1<\/li>\n<li>\u6807\u51c6\u5e93\u4e2d\u7684SocketServer\u53ca\u5176MixIn classes\u3001HTTPServer\u7b49\u53ef\u7528\u4e8e\u5199\u670d\u52a1\u5668\uff1bCGI\u6a21\u5757\u53ef\u7528\u4e8e\u89e3\u6790HTTP\u534f\u8bae\u8bf7\u6c42<\/li>\n<li>\u6807\u51c6\u5e93\u4e2d\u7684wsgiref\u662f\u7eafPython\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u7528Python\u8bed\u8a00\u5199\u4e00\u4e2aWSGI Server\u5f88\u5bb9\u6613\u4e14\u662f\u63d0\u5021\u7684\u505a\u6cd5<\/li>\n<li>yield\u8bed\u6cd5\u52a0\u5165\u8bed\u8a00\u6bd4\u8f83\u65e9\uff0c\u53ef\u4ee5\u5b9e\u73b0\u534f\u7a0b<br 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