{"id":47371,"date":"2024-12-02T11:12:17","date_gmt":"2024-12-02T03:12:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47371\/"},"modified":"2024-12-02T11:12:17","modified_gmt":"2024-12-02T03:12:17","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%e6%98%af%e5%90%a6%e4%bc%9a%e5%bd%b1%e5%93%8d%e6%80%a7%e8%83%bd%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47371\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6027\u80fd\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6027\u80fd\uff1f<\/h1>\n

\u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6027\u80fd\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u901a\u5e38\u4e0d\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u4ee5\u4e0b\u6027\u80fd\u5dee\u5f02\uff1a\u5f3a\u5236\u8f6c\u6362\uff1a\u4e0d\u5339\u914d\u7684\u7c7b\u578b\u5c06\u5bfc\u81f4\u5f3a\u5236\u8f6c\u6362\uff0c\u7565\u5fae\u964d\u4f4e\u6027\u80fd\u3002\u7c7b\u578b\u68c0\u67e5\uff1a\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\u4f1a\u5f15\u5165\u8f7b\u5fae\u6027\u80fd\u5f00\u9500\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u91cf\u6570\u636e\u6216\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\uff0c\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u53ef\u80fd\u7565\u5fae\u964d\u4f4e\u6027\u80fd\u3002\u6743\u8861\u6027\u80fd\u5f71\u54cd\u548c\u5176\u4ed6\u597d\u5904\u4ee5\u505a\u51fa\u51b3\u5b9a\u3002<\/p>\n

\"PHP<\/p>\n

\u53d8\u91cf\u7c7b\u578b\u5bf9 PHP \u51fd\u6570\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u901a\u5e38\u88ab\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u6f5c\u5728\u7684\u6027\u80fd\u63d0\u5347\u3002\u7136\u800c\uff0c\u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u7684\u5b9e\u9645\u6027\u80fd\u5f71\u54cd\u662f\u4e00\u4e2a\u7ecf\u5e38\u51fa\u73b0\u7684\u95ee\u9898\u3002<\/p>\n

\u7c7b\u578b\u58f0\u660e<\/strong><\/p>\n

PHP \u5141\u8bb8\u4e3a\u51fd\u6570\u53c2\u6570\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n

function myFunction(int $number) {...}<\/pre>\n
\u5728\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c$number<\/code> \u53c2\u6570\u88ab\u58f0\u660e\u4e3a int<\/code> \u7c7b\u578b\u3002<\/p>\n
\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n
\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u5bf9\u51fd\u6570\u6027\u80fd\u51e0\u4e4e\u6ca1\u6709\u5f71\u54cd\u3002 PHP \u4f1a\u81ea\u52a8\u68c0\u6d4b\u53d8\u91cf\u7c7b\u578b\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u7c7b\u578b\u8f6c\u6362\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u7c7b\u578b\u58f0\u660e\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e00\u4e9b\u5fae\u5c0f\u7684\u6027\u80fd\u5dee\u5f02\uff1a<\/p>\n
    \n
  • \u5f3a\u5236\u8f6c\u6362\uff1a<\/strong>\u5982\u679c\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u4e0e\u58f0\u660e\u7684\u7c7b\u578b\u4e0d\u5339\u914d\uff0cPHP \u5c06\u8fdb\u884c\u5f3a\u5236\u8f6c\u6362\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u7565\u5fae\u4e0b\u964d\u3002<\/li>\n
  • \u7c7b\u578b\u68c0\u67e5\uff1a<\/strong>\u5982\u679c\u51fd\u6570\u53c2\u6570\u6709\u4e00\u4e2a\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n
    function myFunction(int $number): int {...}<\/pre>\n
    \u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0cPHP \u5c06\u5728\u51fd\u6570\u5185\u90e8\u6267\u884c\u7c7b\u578b\u68c0\u67e5\uff0c\u4ece\u800c\u4f1a\u5f15\u5165\u4e00\u4e9b\u6027\u80fd\u5f00\u9500\u3002<\/p>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u4e3a\u4e86\u5c55\u793a\u53d8\u91cf\u7c7b\u578b\u5bf9 PHP \u51fd\u6570\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u57fa\u51c6\u6d4b\u8bd5\u811a\u672c\uff1a<\/p>\n
    <?php\n$count = 100000;\n$ints = range(0, $count);\n\nfunction myFunction1($number) {}\n\nfunction myFunction2(int $number) {}\n\n$startTime1 = microtime(true);\nfor ($i = 0; $i < $count; $i++) {\n    myFunction1($ints[$i]);\n}\n$endTime1 = microtime(true);\n\n$startTime2 = microtime(true);\nfor ($i = 0; $i < $count; $i++) {\n    myFunction2($ints[$i]);\n}\n$endTime2 = microtime(true);\n\n$diff1 = $endTime1 - $startTime1;\n$diff2 = $endTime2 - $startTime2;\n\necho \"myFunction1 took $diff1 seconds\\n\";\necho \"myFunction2 took $diff2 seconds\\n\";<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b 100,000 \u4e2a\u6574\u6570\u7684\u6570\u7ec4\u3002\u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u51fd\u6570\uff1amyFunction1<\/code> \u4e0d\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\uff0c\u800c myFunction2<\/code> \u4f7f\u7528 int<\/code> \u7c7b\u578b\u58f0\u660e\u3002\u6211\u4eec\u5bf9\u8fd9\u4e24\u4e2a\u51fd\u6570\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\u5e76\u8f93\u51fa\u6267\u884c\u65f6\u95f4\u3002<\/p>\n
    \u7ed3\u679c<\/strong><\/p>\n
    \u5728\u6211\u4eec\u7684\u6d4b\u8bd5\u4e2d\uff0cmyFunction2 \u6bd4 myFunction1 \u6162 0.0001 \u79d2<\/strong>\u3002\u8fd9\u8868\u660e\uff0c\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u53ef\u80fd\u4f1a\u7565\u5fae\u964d\u4f4e\u6027\u80fd\u3002<\/p>\n
    \u7ed3\u8bba<\/strong><\/p>\n
    \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u58f0\u660e\u4e0d\u4f1a\u5bf9\u6027\u80fd\u4ea7\u751f\u91cd\u5927\u5f71\u54cd\u3002\u7136\u800c\uff0c\u5728\u5904\u7406\u975e\u5e38\u5927\u91cf\u7684\u6570\u636e\u6216\u8fdb\u884c\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\u65f6\uff0c\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f7b\u5fae\u7684\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5728\u51b3\u5b9a\u662f\u5426\u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u65f6\uff0c\u5e94\u6743\u8861\u6027\u80fd\u5f71\u54cd\u548c\u5176\u4ed6\u597d\u5904\uff0c\u4f8b\u5982\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6027\u80fd\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6027\u80fd\uff1f \u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aPHP \u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u662f\u5426\u4f1a\u5f71\u54cd\u6027\u80fd\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002 \u5728 PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u901a\u5e38\u4e0d\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u4ee5\u4e0b\u6027\u80fd\u5dee\u5f02\uff1a\u5f3a\u5236\u8f6c\u6362\uff1a\u4e0d\u5339\u914d\u7684\u7c7b\u578b\u5c06\u5bfc\u81f4\u5f3a\u5236\u8f6c\u6362\uff0c\u7565\u5fae\u964d\u4f4e\u6027\u80fd\u3002\u7c7b\u578b\u68c0\u67e5\uff1a\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\u4f1a\u5f15\u5165\u8f7b\u5fae\u6027\u80fd\u5f00\u9500\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5927\u91cf\u6570\u636e\u6216\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\uff0c\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u53ef\u80fd\u7565\u5fae\u964d\u4f4e\u6027\u80fd\u3002\u6743\u8861\u6027\u80fd\u5f71\u54cd\u548c\u5176\u4ed6\u597d\u5904\u4ee5\u505a\u51fa\u51b3\u5b9a\u3002 \u53d8\u91cf\u7c7b\u578b\u5bf9 PHP \u51fd\u6570\u6027\u80fd\u7684\u5f71\u54cd \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u901a\u5e38\u88ab\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u6f5c\u5728\u7684\u6027\u80fd\u63d0\u5347\u3002\u7136\u800c\uff0c\u51fd\u6570\u4e2d\u4f7f\u7528\u53d8\u91cf\u7c7b\u578b\u7684\u5b9e\u9645\u6027\u80fd\u5f71\u54cd\u662f\u4e00\u4e2a\u7ecf\u5e38\u51fa\u73b0\u7684\u95ee\u9898\u3002 \u7c7b\u578b\u58f0\u660e PHP \u5141\u8bb8\u4e3a\u51fd\u6570\u53c2\u6570\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\uff0c\u4f8b\u5982\uff1a function myFunction(int $number) {…} \u5728\u4e0a\u9762\u793a\u4f8b\u4e2d\uff0c$number \u53c2\u6570\u88ab\u58f0\u660e\u4e3a int \u7c7b\u578b\u3002 \u6027\u80fd\u5f71\u54cd \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u7c7b\u578b\u58f0\u660e\u5bf9\u51fd\u6570\u6027\u80fd\u51e0\u4e4e\u6ca1\u6709\u5f71\u54cd\u3002 PHP \u4f1a\u81ea\u52a8\u68c0\u6d4b\u53d8\u91cf\u7c7b\u578b\u5e76\u8fdb\u884c\u5fc5\u8981\u7684\u7c7b\u578b\u8f6c\u6362\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u7c7b\u578b\u58f0\u660e\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e00\u4e9b\u5fae\u5c0f\u7684\u6027\u80fd\u5dee\u5f02\uff1a \u5f3a\u5236\u8f6c\u6362\uff1a\u5982\u679c\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u7c7b\u578b\u4e0e\u58f0\u660e\u7684\u7c7b\u578b\u4e0d\u5339\u914d\uff0cPHP \u5c06\u8fdb\u884c\u5f3a\u5236\u8f6c\u6362\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u7565\u5fae\u4e0b\u964d\u3002 \u7c7b\u578b\u68c0\u67e5\uff1a\u5982\u679c\u51fd\u6570\u53c2\u6570\u6709\u4e00\u4e2a\u5f3a\u5236\u7c7b\u578b\u68c0\u67e5\uff0c\u4f8b\u5982\uff1a function myFunction(int $number): int {…} \u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0cPHP \u5c06\u5728\u51fd\u6570\u5185\u90e8\u6267\u884c\u7c7b\u578b\u68c0\u67e5\uff0c\u4ece\u800c\u4f1a\u5f15\u5165\u4e00\u4e9b\u6027\u80fd\u5f00\u9500\u3002 \u5b9e\u6218\u6848\u4f8b \u4e3a\u4e86\u5c55\u793a\u53d8\u91cf\u7c7b\u578b\u5bf9 PHP \u51fd\u6570\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u57fa\u51c6\u6d4b\u8bd5\u811a\u672c\uff1a <?php $count = 100000; 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