{"id":220,"date":"2012-02-16T20:38:28","date_gmt":"2012-02-16T20:38:28","guid":{"rendered":"ec8ce6abb3e952a85b8551ba726a1227"},"modified":"2012-02-16T20:38:28","modified_gmt":"2012-02-16T20:38:28","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/220","title":{"rendered":"php gzip"},"content":{"rendered":"

GZIP\uff08GNU-ZIP\uff09\u662f\u4e00\u79cd\u538b\u7f29\u6280\u672f\u3002\u7ecf\u8fc7GZIP\u538b\u7f29\u540e\u9875\u9762\u5927\u5c0f\u53ef\u4ee5\u53d8\u4e3a\u539f\u6765\u768430%\u751a\u81f3\u66f4\u5c0f\u3002\u8fd9\u6837\u7528\u6237\u6d4f\u89c8\u7684\u65f6\u5019\u5c31\u4f1a\u611f\u89c9\u5f88\u723d\u5f88\u6109\u5feb\uff01
\n\u8981\u5b9e\u73b0GZIP\u538b\u7f29\u9875\u9762\u9700\u8981\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u5171\u540c\u652f\u6301\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u670d\u52a1\u5668\u538b\u7f29\uff0c\u4f20\u5230\u6d4f\u89c8\u5668\u540e\u6d4f\u89c8\u5668\u89e3\u538b\u5e76\u89e3\u6790\u3002\u6d4f\u89c8\u5668\u90a3\u8fb9\u4e0d\u9700\u8981\u6211\u4eec\u62c5\u5fc3\uff0c\u56e0\u4e3a\u73b0\u5728\u7edd\u5927\u591a\u6570\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u89e3\u6790GZIP\u8fc7\u7684\u9875\u9762\u3002\u6211\u4eec\u53ea\u8981\u628a\u9875\u9762\u5728\u670d\u52a1\u5668\u7aef\u538b\u7f29\u518d\u8f93\u51fa\u5230\u6d4f\u89c8\u5668\u5c31\u884c\u4e86\u3002<\/p>\n

\u6709\u70b9\u7f57\u55e6\uff0c\u4e0b\u9762\u8bf4\u6b63\u4e8b\uff1a<\/p>\n

\u6b63\u5982\u8981\u5236\u4f5c\u538b\u7f29\u997c\u5e72\uff0c\u5148\u8981\u62ff\u5230\u539f\u6599\uff0c\u8981\u538b\u7f29\u4e00\u4e2a\u9875\u9762\uff0c\u9996\u5148\u8981\u83b7\u5f97\u8981\u8f93\u51fa\u7684\u5185\u5bb9\u3002PHP\u4e2d\u7684ob_start()\uff08ob => output buffer\uff09\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u628a\u7a0b\u5e8f\u91cc\u51c6\u5907\u8f93\u51fa\u7684\u5185\u5bb9\u5148\u653e\u5230\u4e00\u4e2a\u53eb\u505a\u201c\u7f13\u51b2\u533a\u201d\u7684\u5730\u65b9\uff0c\u5f53\u7136\uff0c\u4f60\u53ef\u4ee5\u7406\u89e3\u4e3a\u5236\u4f5c\u538b\u7f29\u997c\u5e72\u7684\u6682\u65f6\u653e\u539f\u6599\u7684\u5de5\u4f5c\u53f0\u3002
\n\u8fd9\u4e2a\u51fd\u6570\u4e00\u5b9a\u8981\u5728\u9875\u9762\u8f93\u51fa\u4e4b\u524d\u4f7f\u7528\uff0c\u6240\u4ee5\u4e00\u822c\u628a\u5b83\u653e\u5728\u4ee3\u7801\u7684\u6700\u9876\u7aef\u3002\u56e0\u4e3a\u5b83\u5c31\u50cf\u662f\u4e00\u4e2a\u5de5\u4f5c\u53f0\uff0c\u6240\u4ee5\u4f60\u8981\u5728\u539f\u6599\u5230\u6765\u4e4b\u524d\u5c31\u8981\u51c6\u5907\u597d\u5b83\uff0c\u5426\u5219\u539f\u6599\u6765\u4e86\u6ca1\u5730\u65b9\u653e\uff0c\u4f1a\u51fa\u95ee\u9898\u7684\u3002\u7528ob_start()\u5f97\u5230\u8981\u538b\u7f29\u7684\u9875\u9762\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5236\u4f5c\u538b\u7f29\u997c\u5e72\u4e86\uff0c\u4e0d\u5bf9\uff0c\u5e94\u8be5\u662f\u53ef\u4ee5\u538b\u7f29\u9875\u9762\u4e86\uff01\u4e0d\u8fc7\u597d\u50cf\u8fd8\u7f3a\u5c11\u4e00\u53f0\u538b\u7f29\u673a\uff0c EZ\uff0c\u6211\u4eec\u7528PHP\u5e26\u7684zlib\u6269\u5c55\u505a\u4e00\u53f0\uff1a<\/p>\n

 \/\/ $content \u5c31\u662f\u8981\u538b\u7f29\u7684\u9875\u9762\u5185\u5bb9\uff0c\u6216\u8005\u8bf4\u997c\u5e72\u539f\u6599
\nfunction ob_gzip($content){    
\n    if(    !headers_sent() && \/\/ \u5982\u679c\u9875\u9762\u5934\u90e8\u4fe1\u606f\u8fd8\u6ca1\u6709\u8f93\u51fa
\n        extension_loaded(\"zlib\") && \/\/ \u800c\u4e14zlib\u6269\u5c55\u5df2\u7ecf\u52a0\u8f7d\u5230PHP\u4e2d
\n        strstr($_SERVER[\"HTTP_ACCEPT_ENCODING\"],\"gzip\")) \/\/\u800c\u4e14\u6d4f\u89c8\u5668\u8bf4\u5b83\u53ef\u4ee5\u63a5\u53d7GZIP\u7684\u9875\u9762
\n    {
\n        $content = gzencode($content.\" \\n\/\/\u6b64\u9875\u5df2\u538b\u7f29\",9); \u4e3a\u51c6\u5907\u538b\u7f29\u7684\u5185\u5bb9\u8d34\u4e0a\u201c\/\/\u6b64\u9875\u5df2\u538b\u7f29\u201d\u7684\u6ce8\u91ca\u6807\u7b7e\uff0c\u7136\u540e\u7528zlib\u63d0\u4f9b\u7684gzencode()\u51fd\u6570\u6267\u884c\u7ea7\u522b\u4e3a9\u7684\u538b\u7f29\uff0c\u8fd9\u4e2a\u53c2\u6570\u503c\u8303\u56f4\u662f0-9\uff0c0\u8868\u793a\u65e0\u538b\u7f29\uff0c9\u8868\u793a\u6700\u5927\u538b\u7f29\uff0c\u5f53\u7136\u538b\u7f29\u7a0b\u5ea6\u8d8a\u9ad8\u8d8a\u8d39CPU\u3002
\n        
\n        \/\/\u7136\u540e\u7528header()\u51fd\u6570\u7ed9\u6d4f\u89c8\u5668\u53d1\u9001\u4e00\u4e9b\u5934\u90e8\u4fe1\u606f\uff0c\u544a\u8bc9\u6d4f\u89c8\u5668\u8fd9\u4e2a\u9875\u9762\u5df2\u7ecf\u7528GZIP\u538b\u7f29\u8fc7\u4e86\uff01
\n        header(\"Content-Encoding: gzip\");
\n        header(\"Vary: Accept-Encoding\");
\n        header(\"Content-Length: \".strlen($content));
\n    }
\n    return $content; \/\/\u8fd4\u56de\u538b\u7f29\u7684\u5185\u5bb9\uff0c\u6216\u8005\u8bf4\u628a\u538b\u7f29\u597d\u7684\u997c\u5e72\u9001\u56de\u5de5\u4f5c\u53f0\u3002
\n}<\/span><\/p>\n

\u538b\u7f29\u673a\u505a\u597d\u4e86\u4e4b\u540e\uff0c\u6211\u4eec\u628a\u538b\u7f29\u673a\u653e\u5230\u5de5\u4f5c\u53f0\u4e0a\uff0c\u4e8e\u662f\u539f\u6765\u7684ob_start()\u53d8\u6210<\/p>\n

ob_start('ob_gzip'); \/\/\u6ca1\u9519\uff0c\u5c31\u662f\u7ed9ob_start()\u52a0\u4e00\u4e2a\u53c2\u6570\uff0c\u53c2\u6570\u540d\u5c31\u662f\u6211\u4eec\u521a\u624d\u505a\u7684\u201c\u538b\u7f29\u673a\u201d\u7684\u51fd\u6570\u540d\u3002\u8fd9\u6837\u5f53\u5185\u5bb9\u8fdb\u5165\u7f13\u51b2\u533a\u540ePHP\u5c31\u4f1a\u8c03\u7528ob_gzip\u51fd\u6570\u628a\u5b83\u538b\u7f29\u4e86\u3002<\/span><\/p>\n

\u597d\u4e86\uff0c\u6240\u6709\u7684\u5de5\u4f5c\u5df2\u5b8c\u6210\uff0c\u6700\u540e\u4ea4\u8d27\uff1a<\/p>\n

ob_end_flush(); \/\/\u7ed3\u675f\u7f13\u51b2\u533a\uff0c\u8f93\u51fa\u5185\u5bb9\u3002\u5f53\u7136\uff0c\u4e0d\u7528\u8fd9\u4e2a\u51fd\u6570\u4e5f\u884c\uff0c\u56e0\u4e3a\u7a0b\u5e8f\u6267\u884c\u5230\u6700\u540e\u4f1a\u81ea\u52a8\u5c06\u7f13\u51b2\u533a\u5185\u5bb9\u8f93\u51fa\u3002<\/span><\/p>\n

\u5b8c\u6574\u7684\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

<?php
\n\/\/\u542f\u7528\u4e00\u4e2a\u5e26\u6709ob_gzip\u538b\u7f29\u673a\u7684\u5de5\u4f5c\u53f0
\nob_start('ob_gzip');
\n\/\/\u51c6\u5907\u4e00\u4e9b\u5f85\u538b\u7f29\u7684\u5185\u5bb9
\nfor($i=0; $i<100; $i++)
\n{
\n    echo('\u8fd9\u91cc\u662f\u538b\u7f29\u997c\u5e72\u7684\u539f\u6599\uff0c\u8fd9\u91cc\u662f\u538b\u7f29\u997c\u5e72\u7684\u539f\u6599\uff0c\u539f\u6599');
\n}
\n\/\/\u8f93\u51fa\u538b\u7f29\u6210\u679c
\nob_end_flush();
\n\/\/\u8fd9\u662fob_gzip\u538b\u7f29\u673a
\nfunction ob_gzip($content)
\n{   
\n    if(    !headers_sent() &&
\n        extension_loaded(\"zlib\") &&
\n        strstr($_SERVER[\"HTTP_ACCEPT_ENCODING\"],\"gzip\"))
\n    {
\n        $content = gzencode($content.\" \\n\/\/\u6b64\u9875\u5df2\u538b\u7f29\",9);
\n       
\n        header(\"Content-Encoding: gzip\");
\n        header(\"Vary: Accept-Encoding\");
\n        header(\"Content-Length: \".strlen($content));
\n    }
\n    return $content;
\n}
\n?><\/span><\/p>\n

\u7ecf\u8fc7\u5b9e\u9645\u6d4b\u8bd5\uff0c\u4e0a\u9762\u4ee3\u7801\u4e2d\u5982\u679c\u4e0d\u7528GZIP\uff0c\u662f4.69KB=4802.56B\uff0c\u542f\u7528GZIP\u540e\u7f29\u5c0f\u4e3a104B \uff0c\u5443\u2026\u2026\u6211\u6570\u5b66\u53ef\u80fd\u4e0d\u597d\uff0c\u81ea\u5df1\u7b97\u4e0b\u538b\u7f29\u5230\u4e86\u539f\u6765\u7684\u767e\u5206\u4e4b\u591a\u5c11\u5427\u3002\u3002<\/p>\n

\u53e6\u5916\uff0c\u4e0b\u9762\u662f\u7528FlashGet\u83b7\u53d6\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u7a0b\u5e8f\u91cc\u52a0\u7684header\u4fe1\u606f\uff1a<\/p>\n

Fri Jan 25 17:53:10 2008 HTTP\/1.1 200 OK
\nFri Jan 25 17:53:10 2008 Server: Microsoft-IIS\/5.1
\nFri Jan 25 17:53:10 2008 Date: Fri, 25 Jan 2008 09:53:10 GMT
\nFri Jan 25 17:53:10 2008 Connection: close
\nFri Jan 25 17:53:10 2008 X-Powered-By: PHP\/5.2.5
\nFri Jan 25 17:53:10 2008 Content-Encoding: gzip
\nFri Jan 25 17:53:10 2008 Vary: Accept-Encoding
\nFri Jan 25 17:53:10 2008 Content-Length: 104
\nFri Jan 25 17:53:10 2008 Content-type: text\/html<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

GZIP\uff08GNU-ZIP\uff09\u662f\u4e00\u79cd\u538b\u7f29\u6280\u672f\u3002\u7ecf\u8fc7GZIP\u538b\u7f29\u540e\u9875\u9762\u5927\u5c0f\u53ef\u4ee5\u53d8\u4e3a\u539f\u6765\u768430%\u751a\u81f3\u66f4\u5c0f\u3002\u8fd9\u6837\u7528\u6237\u6d4f\u89c8\u7684\u65f6\u5019\u5c31\u4f1a\u611f\u89c9\u5f88\u723d\u5f88\u6109\u5feb\uff01
\n\u8981\u5b9e\u73b0GZIP\u538b\u7f29\u9875\u9762\u9700\u8981\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u5171\u540c\u652f\u6301\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u670d\u52a1\u5668\u538b\u7f29\uff0c\u4f20\u5230\u6d4f\u89c8\u5668\u540e\u6d4f\u89c8\u5668\u89e3\u538b\u5e76\u89e3\u6790\u3002\u6d4f\u89c8\u5668\u90a3\u8fb9\u4e0d\u9700\u8981\u6211\u4eec\u62c5\u5fc3\uff0c\u56e0\u4e3a\u73b0\u5728\u7edd\u5927\u591a\u6570\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u89e3\u6790GZIP\u8fc7\u7684\u9875\u9762\u3002\u6211\u4eec\u53ea\u8981\u628a\u9875\u9762\u5728\u670d\u52a1\u5668\u7aef\u538b\u7f29\u518d\u8f93\u51fa\u5230\u6d4f\u89c8\u5668\u5c31\u884c\u4e86\u3002<\/p>\n

\u6709\u70b9\u7f57\u55e6\uff0c\u4e0b\u9762\u8bf4\u6b63\u4e8b\uff1a<\/p>\n

\u6b63\u5982\u8981\u5236\u4f5c\u538b\u7f29\u997c\u5e72\uff0c\u5148\u8981\u62ff\u5230\u539f\u6599\uff0c\u8981\u538b\u7f29\u4e00\u4e2a\u9875\u9762\uff0c\u9996\u5148\u8981\u83b7\u5f97\u8981\u8f93\u51fa\u7684\u5185\u5bb9\u3002PHP\u4e2d\u7684ob_start()\uff08ob => output buffer\uff09\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u628a\u7a0b\u5e8f\u91cc\u51c6\u5907\u8f93\u51fa\u7684\u5185\u5bb9\u5148\u653e\u5230\u4e00...<\/p>\n

\u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[273],"tags":[70,27],"class_list":["post-220","post","type-post","status-publish","format-standard","hentry","category-article","tag-gzip","tag-php"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=220"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/220\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}