{"id":30540,"date":"2023-09-17T07:48:25","date_gmt":"2023-11-17T16:05:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e6%9e%9cphp4%e6%97%b6%e4%bb%a3%e7%9a%84%e5%b7%a5%e7%a8%8b%e5%b8%88%e6%9d%a5%e5%88%b0%e4%ba%86php8%e6%97%b6%e4%bb%a3\/"},"modified":"2025-08-12T19:39:37","modified_gmt":"2025-08-12T11:39:37","slug":"%e5%a6%82%e6%9e%9cphp4%e6%97%b6%e4%bb%a3%e7%9a%84%e5%b7%a5%e7%a8%8b%e5%b8%88%e6%9d%a5%e5%88%b0%e4%ba%86php8%e6%97%b6%e4%bb%a3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e6%9e%9cphp4%e6%97%b6%e4%bb%a3%e7%9a%84%e5%b7%a5%e7%a8%8b%e5%b8%88%e6%9d%a5%e5%88%b0%e4%ba%86php8%e6%97%b6%e4%bb%a3\/","title":{"rendered":"\u5982\u679cPHP4\u65f6\u4ee3\u7684\u5de5\u7a0b\u5e08\u6765\u5230\u4e86PHP8\u65f6\u4ee3"},"content":{"rendered":"<h1>\u9996\u5148 .<\/h1>\n<p>\u6211\u662f\u5e73\u7530\uff0c\u8d1f\u8d23PHP\u5723\u8bde\u65e5\u53862020\u5e74\u7684\u7b2c17\u5929\u3002\u8bf7\u591a\u591a\u5173\u7167\u3002<\/p>\n<p>\u4ece\u6211\u8ba4\u771f\u5730\u5199 Qiita \u7684\u6587\u7ae0\u4e4b\u540e\uff0c\u6211\u7adf\u7136\u53d1\u73b0\u5df2\u7ecf\u8fc7\u53bb\u4e863\u5e74\u534a\u3002\u5149\u9634\u4f3c\u7bad\uff0c\u6b63\u662f\u6307\u7684\u8fd9\u4e2a\u60c5\u51b5\u3002\u7136\u800c\uff0c\u66f4\u4ee4\u6211\u60ca\u8bb6\u7684\u662f\uff0cPHP4\u53d1\u5e03\u5df2\u7ecf\u8fc7\u53bb\u4e8620\u5e74\u4e4b\u4e45\u3002<\/p>\n<p>\u63a8\u52a8 Perl \u6210\u4e3a\u4e3b\u6d41\uff0c\u671d\u7740\u540e\u7aef\u5f00\u53d1\u8bed\u8a00\u7684\u5dc5\u5cf0\u8fc8\u8fdb\u7684 PHP4\u3002<br \/>\n\u901a\u8fc7 ZendEngine \u7684\u96c6\u6210\uff0c\u5f00\u542f\u4e86 PHP4 \u6539\u5584\u6027\u80fd\u7684\u65b0\u7bc7\u7ae0\u3002<br \/>\nPHP4 \u5e26\u9886\u6211\u8d70\u4e0a\u4e86 Web \u5de5\u7a0b\u5e08\u7684\u9053\u8def\u3002<\/p>\n<p>\u5982\u679c\u90a3\u4e2a\u4f20\u8bf4\u4e2d\u7684PHP4\u65f6\u4ee3\u7684\u5de5\u7a0b\u5e08\u6765\u5230PHP8\u53d1\u5e03\u7684\u73b0\u4ee3\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u7a81\u7136\u51fa\u73b0\u5728\u6211\u975e\u5e38\u671f\u5f85\u7740 PHP8 \u53d1\u5e03\u7684\u65f6\u523b\uff0cA \u5148\u751f\uff0c\u66fe\u7ecf\u975e\u5e38\u671f\u5f85\u7740 PHP4.0 \u7684\u53d1\u5e03\u3002<\/p>\n<h1>\u65f6\u4ee3\u7684\u4e0d\u540c<\/h1>\n<p>A\u3055\u3093: &#8220;\u55ef\uff1f\u8fd9\u662f\u54ea\u91cc&#8230;?&#8221;<\/p>\n<p>\u6211\uff1a\u300c\u73b0\u5728\u662f2020\u5e7412\u6708\u3002\u300d<\/p>\n<p>A\u8bf4\u9053\uff1a&#8221;\u554a\uff0c20\u5e74\u540e\uff1f\u4e3a\u4ec0\u4e48\uff01\uff1f&#8221;<\/p>\n<p>\u6211\u4e0d\u77e5\u9053\u539f\u56e0\uff0c\u4f46\u6211\u6709\u4e00\u4e2a\u597d\u6d88\u606f\u8981\u544a\u8bc9\u4f60\u3002\u4e0a\u4e2a\u661f\u671f\uff0cPHP 8.0\u53d1\u5e03\u4e86\u3002<\/p>\n<p>A: &#8220;8.0?! It was just 4.0 not long ago!&#8221;<\/p>\n<p>A\u3055\u3093:\u300c8.0\u7684\u5206\u6578\u55ce\uff1f\u5c31\u5728\u4e0d\u4e45\u524d\u9084\u662f4.0\uff01\u300d<\/p>\n<p>\u203b PHP4.0\u53d1\u5e03\u4e8e2000\u5e745\u670822\u65e5\u3002<\/p>\n<p>\u6211\u662f\u8fd9\u4e48\u8ba4\u4e3a\u7684\u3002\u800c\u4e14\u5df2\u7ecf\u8fc7\u53bb\u4e8620\u5e74\uff0c\u4e3b\u8981\u7248\u672c\u5df2\u7ecf\u5347\u7ea7\u4e864\u4e2a\u3002<\/p>\n<p>A\u3055\u3093\u8bf4\uff1a\u201c\u771f\u662f\u592a\u4e0d\u53ef\u601d\u8bae\u4e86\u2026\u2026\u79bb\u8fd9\u4e48\u4e45\u8fd8\u80fd\u6301\u7eed20\u5e74\uff0cPHP\u771f\u4e0d\u5bb9\u5c0f\u89d1\u3002\u201d<\/p>\n<p>\u5927\u7ea6\u57282000\u5e74\u5de6\u53f3\uff0cPHP\u8fd8\u662f\u4e00\u4e2a\u65b0\u5174\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u8001\u4e00\u8f88\u7684\u7a0b\u5e8f\u5458\u4eec\u66fe\u7ecf\u5bf9\u5b83\u6709\u4e00\u79cd\u88ab\u770b\u4e0d\u8d77\u7684\u611f\u89c9\uff0c\u8bf4\u5b83\u662fPerl\u7684\u7cdf\u7cd5\u7248\u672c\u3002<\/p>\n<p>\u6211\u73b0\u5728\u662fWeb\u5f00\u53d1\u8bed\u8a00\u4e2d\u65e0\u6cd5\u5ffd\u89c6\u7684\u5b58\u5728\u3002<\/p>\n<p>A: &#8220;That&#8217;s amazing. I&#8217;d love to hear how much it has changed.&#8221;<br \/>\nA\u3055\u3093\uff1a\u300c\u771f\u662f\u5389\u5bb3\u3002\u6211\u5f88\u60f3\u77e5\u9053\u5b83\u5df2\u7ecf\u53d8\u5316\u4e86\u591a\u5c11\u3002\u300d<\/p>\n<p>\u6211\u300c\u4e00\u5b9a\u8981\u3002\u300d<\/p>\n<h1>\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u8fdb\u5316<\/h1>\n<p>A\u5148\u751f\uff1a\u201cPHP\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff0c\u8fd8\u8fdc\u8fdc\u4e0d\u80fd\u53d1\u6325\u5176\u4f5c\u7528\u5462\u2026\u2026\u201d<\/p>\n<p>\u6211\u8ba4\u4e3a\u662f\u7684\u3002\u56e0\u4e3aPHP4\u6ca1\u6709\u547d\u540d\u7a7a\u95f4\u548c\u7c7b\u5185\u5e38\u91cf\u3002<\/p>\n<p>\u203b \u7c7b\uff08Class\uff09\u548c\u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09\u7684\u5185\u90e8\u5e38\u91cf\uff08\u4f7f\u7528const\u6307\u5b9a\uff09\u3001\u7edf\u4e00\u6784\u9020\u51fd\u6570\uff08__construct()\uff09\u3001\u4ee5\u53ca\u8bbf\u95ee\u5668\uff08Accessor\uff09\u5728PHP5\u4e2d\u8fdb\u884c\u4e86\u5b9e\u73b0\u3002<\/p>\n<p>\u6211\u8bf4\uff1a&#8221;\u73b0\u5728\u5bf9\u4e8e\u8bfe\u7a0b\u7684\u62bd\u8c61\u5316\u5df2\u7ecf\u6210\u4e3a\u5e38\u6001\uff0c\u4f46\u662f\u8981\u5230PHP5\u4ee5\u540e\u624d\u771f\u6b63\u5b9e\u73b0\u4e86\u3002&#8221;<\/p>\n<p>A\uff1a\u96be\u9053\u4f60\u5b66\u4f1a\u4f7f\u7528Abstract\u4e86\u5417\uff1f<\/p>\n<p>(Note: The sentence provided is originally in Japanese, so the Chinese version is a translation of the meaning.)<\/p>\n<p>\u6211\u53ef\u4ee5\u8ba9\u79c1\u81ea\u5df1\uff08\u5b9e\u73b0implement\uff09\u5728\u63a5\u53e3\u4e2d\u3002<\/p>\n<p>A\u5148\u751f\uff1a\u201c\u754c\u9762\u201d<\/p>\n<p>\u203b abstract\u548cinterface\u90fd\u5728PHP5\u4e2d\u88ab\u5b9e\u73b0\u3002<\/p>\n<p>\u6211\u89c9\u5f97\u73b0\u5728\u7f16\u5199\u7c7b\u7684\u65b9\u5f0f\u51e0\u4e4e\u4e0eJava\u76f8\u540c\uff0c\u529f\u80fd\u4e5f\u51e0\u4e4e\u4e00\u6837\u3002\u6b63\u56e0\u4e3a\u5982\u6b64\uff0c\u73b0\u5728\u5f88\u591a\u4eba\u5728PHP\u4e2d\u4e5f\u7528\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1(Domain Driven Design)\u5199\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>A &#8220;DDD&#8221; \u7684\u4eba\uff1a<\/p>\n<p>\u203b PHP7\u4ee5\u964d\uff0c\u7c7b\u7684\u62bd\u8c61\u5316\u548c\u7c7b\u578b\u63d0\u793a\u53d8\u5f97\u66f4\u52a0\u65b9\u4fbf\uff0c\u4f7f\u5f97\u9ad8\u7ea7\u7c7b\u8bbe\u8ba1\u6210\u4e3a\u53ef\u80fd\u3002<br \/>\n\u203b 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OPCache\u5df2\u7ecf\u6210\u4e3a\u6807\u51c6\u529f\u80fd\uff0c\u800c\u4e14\u540e\u6765\u901a\u8fc7Zend OPCache Plus\u6269\u5c55\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u5728PHP5.3\/5.4\u4e2d\u4f7f\u7528\u3002<\/p>\n<p>\u5728PHP7.0\u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u7531\u4e8eZendEngine\u7684\u8f7b\u91cf\u5316\uff0c\u5373\u4f7f\u6ca1\u6709\u4f7f\u7528OPCache\uff0c\u4e5f\u660e\u663e\u63d0\u9ad8\u4e86\u901f\u5ea6\u3002<\/p>\n<p>A\u5148\u751f\uff1a\u201c\u8fd9\u4e48\u5feb\u5c31\u5b8c\u6210\u4e86\u5417\uff1f\u201d<\/p>\n<p>\u6211\u6700\u8fd1\u505a\u4e86\u4e00\u4e2a\u5b9e\u9a8c\uff0c\u5c06\u4f7f\u7528PHP7.0+OPCache\u548cPHP5.3+APC\u5bf9\u4e00\u4e2a\u53ea\u6267\u884cMySQL\u7684SELECT\u8bed\u53e5\u7684\u9875\u9762\u7684\u4e2d\u95f4\u4ef6\u8fdb\u884c\u4e86\u66f4\u6362\uff0c\u5e76\u4f7f\u7528ApacheBench\u8fdb\u884c\u4e86\u6d4b\u8bd5\u3002\u7ed3\u679c\u662f\u6bcf\u79d2\u5904\u7406\u7684\u8bf7\u6c42\u6570\u91cf\u63d0\u9ad8\u4e86\u5927\u7ea6\u4e09\u500d\u3002<\/p>\n<p>A \u5973\u58eb\uff1a\u300c\u4e09\u500d\u300d<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u4e0e\u672a\u5b89\u88c5APC\u7684PHP5.3\u76f8\u6bd4\u8f83\uff0c\u5dee\u8ddd\u5df2\u7ecf\u6269\u5927\u4e86\u5341\u500d\u3002<\/p>\n<p>\u6211\u8fd8\u6ca1\u6709\u4eb2\u81ea\u5c1d\u8bd5\u8fc7\uff0c\u4f46\u636e\u8bf4\u4ece PHP8 \u5f00\u59cb\u4f7f\u7528\u4e86 JIT \u6267\u884c\u65b9\u5f0f\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u901f\u5ea6\u3002<\/p>\n<p>A: &#8220;JIT\uff1fJava\uff1f&#8221;<br \/>\nA\u3055\u3093\u300c\u5373\u65f6\u7f16\u8bd1\u5668\uff1fJava\uff1f\u300d<\/p>\n<p>\u66fe\u7ecf\u7c7b\u4f3cJava\u4e13\u6709\u4e13\u5229\u7684JIT\u5728PHP8\u4e2d\u88ab\u91c7\u7528\uff0c\u901a\u8fc7\u5c06\u4f18\u5316\u4ee3\u7801(OPCode)\u8f6c\u6362\u4e3aJIT\u7f16\u8bd1\u6765\u5b9e\u73b0\u6267\u884c\u901f\u5ea6\u7684\u63d0\u5347\u3002<\/p>\n<h1>HHVM \/ Hack\u662fFacebook\u5f00\u53d1\u7684\u4e00\u79cd\u5f00\u6e90\u8f6f\u4ef6\u3002<\/h1>\n<p>\u5982\u679c\u8981\u8c08\u5230\u5373\u65f6\u7f16\u8bd1\uff0c\u6211\u8ba4\u4e3a\u662f\u6307\u7684HHVM\u3002<\/p>\n<p>A\uff1a\u90a3\u662f\u4ec0\u4e48\u4e1c\u897f\uff1f<\/p>\n<p>\u636e\u8bf4\uff0c2014\u5e74\u5de6\u53f3\uff0cFacebook\u5f00\u53d1\u4e86HHVM \/ Hack\uff0c\u8fd9\u662f\u4e00\u79cd\u6e90\u81eaPHP\u7684\u5f00\u53d1\u8bed\u8a00\u548c\u7f16\u8bd1\u5668\uff0c\u968f\u540eFacebook\u7528Hack\u66ff\u4ee3\u4e86PHP\u3002<\/p>\n<p>\u6211\u662f\u8bf4\u201cFacebook\u5f00\u53d1\u4e86\u4e00\u6b3e\u57fa\u4e8ePHP\u7684VM\u683c\u5f0f\u7684PHP JIT\u7f16\u8bd1\u5668\u3002PHP8\u7684JIT\u662f\u5728\u6b64\u4e4b\u540e\u5927\u7ea6\u516d\u5e74\u624d\u53d1\u5e03\u7684\u3002\u201d<\/p>\n<p>A\uff1a\u300cFacebook\uff1f\u4e66\u5e97\uff1f\u300d<\/p>\n<p>\u6211\uff1a\u201c\u662fSNS\u54e6\u3002\u201d<\/p>\n<p>A\u5148\u751f\uff1a\u201c\u793e\u4ea4\u5a92\u4f53\uff1f\u201d<\/p>\n<p>\u203b 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