{"id":46718,"date":"2024-12-02T11:59:12","date_gmt":"2024-12-02T03:59:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46718\/"},"modified":"2024-12-02T11:59:12","modified_gmt":"2024-12-02T03:59:12","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%e5%af%b9%e4%ba%8e%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e5%93%8d%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46718\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>PHP \u51fd\u6570\u4e2d\uff0c\u53d8\u91cf\u7c7b\u578b\u5bf9\u6027\u80fd\u6709\u4ee5\u4e0b\u5f71\u54cd\uff1a\u57fa\u672c\u7c7b\u578b\uff08\u6574\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u503c\u4f20\u9012\uff0c\u4fee\u6539\u4e0d\u5f71\u54cd\u8c03\u7528\u8005\u503c\u3002\u5f15\u7528\u7c7b\u578b\uff08\u6570\u7ec4\u3001\u5bf9\u8c61\u7b49\uff09\u5f15\u7528\u4f20\u9012\uff0c\u4fee\u6539\u4f1a\u76f4\u63a5\u53cd\u6620\u5728\u8c03\u7528\u8005\u503c\u4e2d\u3002\u57fa\u672c\u7c7b\u578b\u4f20\u53c2\u6027\u80fd\u4f18\u4e8e\u5f15\u7528\u7c7b\u578b\uff0c\u56e0\u4e3a\u65e0\u9700\u590d\u5236\u6574\u4e2a\u503c\u3002\u7406\u89e3\u53d8\u91cf\u7c7b\u578b\u5728\u51fd\u6570\u4e2d\u7684\u4f20\u9012\u65b9\u5f0f\u6709\u52a9\u4e8e\u4f18\u5316\u4ee3\u7801\u6027\u80fd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729841919671b4aff1f411.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u7684\u7c7b\u578b\u5bf9\u51fd\u6570\u6027\u80fd\u7684\u5f71\u54cd\u5e38\u5e38\u88ab\u5ffd\u89c6\u3002\u7406\u89e3\u4e0d\u540c\u53d8\u91cf\u7c7b\u578b\u5728\u4f20\u53c2\u65f6\u7684\u7ec6\u5fae\u5dee\u522b\u5bf9\u4e8e\u4f18\u5316\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u57fa\u672c\u7c7b\u578b<\/strong><\/p>\n<p>\u57fa\u672c\u7c7b\u578b\uff08\u4f8b\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5e03\u5c14\u503c\u548c\u5b57\u7b26\u4e32\uff09\u5728\u51fd\u6570\u4e2d\u4f5c\u4e3a\u503c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u5b83\u4eec\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4ec5\u9650\u4e8e\u51fd\u6570\u5185\u90e8\uff0c\u4e0d\u4f1a\u5f71\u54cd\u8c03\u7528\u8005\u7684\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5206\u914d\u548c\u590d\u5236\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n<pre>function sum($a, $b) {\n  $a += $b;\n  return $a;\n}\n\n$a = 5;\n$b = 10;\n$result = sum($a, $b); \/\/ $a \u4ecd\u7136\u4e3a 5<\/pre>\n<p><strong>\u5f15\u7528\u7c7b\u578b<\/strong><\/p>\n<p>\u5f15\u7528\u7c7b\u578b\uff08\u4f8b\u5982\u6570\u7ec4\u548c\u5bf9\u8c61\uff09\u5728\u51fd\u6570\u4e2d\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u5b83\u4eec\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u76f4\u63a5\u53cd\u6620\u5728\u8c03\u7528\u8005\u7684\u503c\u4e2d\u3002\u867d\u7136\u8fd9\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u4e5f\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\uff0c\u56e0\u4e3a\u6bcf\u6b21\u5bf9\u5f15\u7528\u7c7b\u578b\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u6574\u4e2a\u503c\u90fd\u5fc5\u987b\u590d\u5236\u3002<\/p>\n<pre>function doubleArray($array) {\n  foreach ($array as &amp;$value) {\n    $value *= 2;\n  }\n}\n\n$array = [1, 2, 3];\ndoubleArray($array); \/\/ $array \u73b0\u5728\u662f [2, 4, 6]<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5728\u4ee5\u4e0b\u5b9e\u6218\u6848\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u6bd4\u8f83\u5728\u51fd\u6570\u4e2d\u4f20\u5165\u57fa\u672c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b\u53d8\u91cf\u7684\u6027\u80fd\u5dee\u5f02\u3002<\/p>\n<pre>function basicTypeSum($a, $b) {\n  $a += $b;\n  return $a;\n}\n\nfunction referenceTypeSum(&amp;$a, &amp;$b) {\n  $a += $b;\n}\n\n$numIterations = 10000000;\n\n$startTime = microtime(true);\nfor ($i = 0; $i &lt; $numIterations; $i++) {\n  basicTypeSum(1, 2);\n}\n$endTime = microtime(true);\n$basicTypeDuration = $endTime - $startTime;\n\n$startTime = microtime(true);\nfor ($i = 0; $i &lt; $numIterations; $i++) {\n  $a = 1;\n  $b = 2;\n  referenceTypeSum($a, $b);\n}\n$endTime = microtime(true);\n$referenceTypeDuration = $endTime - $startTime;\n\necho \"\u57fa\u672c\u7c7b\u578b\u6c42\u548c\uff1a\" . $basicTypeDuration . \" \u79d2\\n\";\necho \"\u5f15\u7528\u7c7b\u578b\u6c42\u548c\uff1a\" . $referenceTypeDuration . \" \u79d2\\n\";<\/pre>\n<p>\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6c42\u548c\uff0c\u6267\u884c\u65f6\u95f4\u7ea6\u4e3a 0.02 \u79d2\uff0c\u800c\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\u6c42\u548c\uff0c\u5219\u63a5\u8fd1 0.1 \u79d2\u3002\u539f\u56e0\u5728\u4e8e\uff0c\u5bf9\u5f15\u7528\u7c7b\u578b\u53d8\u91cf\u7684\u6bcf\u6b21\u4fee\u6539\u90fd\u4f1a\u5bfc\u81f4\u6574\u4e2a\u6570\u7ec4\u7684\u590d\u5236\uff0c\u800c\u5bf9\u57fa\u672c\u7c7b\u578b\u53d8\u91cf\u7684\u4fee\u6539\u53ea\u662f\u66f4\u65b0\u503c\uff0c\u65e0\u9700\u590d\u5236\u3002<\/p>\n<p>\u901a\u8fc7\u4e86\u89e3\u53d8\u91cf\u7c7b\u578b\u5728\u51fd\u6570\u4e2d\u7684\u4f20\u9012\u65b9\u5f0f\uff0c\u60a8\u53ef\u4ee5\u505a\u51fa\u660e\u667a\u7684\u51b3\u7b56\uff0c\u4ee5\u4f18\u5316\u4ee3\u7801\u6027\u80fd\u5e76\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u6027\u80fd,\u53d8\u91cf\u7c7b\u578b\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f \u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\u300aPHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01 PHP \u51fd\u6570\u4e2d\uff0c\u53d8\u91cf\u7c7b\u578b\u5bf9\u6027\u80fd\u6709\u4ee5\u4e0b\u5f71\u54cd\uff1a\u57fa\u672c\u7c7b\u578b\uff08\u6574\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u503c\u4f20\u9012\uff0c\u4fee\u6539\u4e0d\u5f71\u54cd\u8c03\u7528\u8005\u503c\u3002\u5f15\u7528\u7c7b\u578b\uff08\u6570\u7ec4\u3001\u5bf9\u8c61\u7b49\uff09\u5f15\u7528\u4f20\u9012\uff0c\u4fee\u6539\u4f1a\u76f4\u63a5\u53cd\u6620\u5728\u8c03\u7528\u8005\u503c\u4e2d\u3002\u57fa\u672c\u7c7b\u578b\u4f20\u53c2\u6027\u80fd\u4f18\u4e8e\u5f15\u7528\u7c7b\u578b\uff0c\u56e0\u4e3a\u65e0\u9700\u590d\u5236\u6574\u4e2a\u503c\u3002\u7406\u89e3\u53d8\u91cf\u7c7b\u578b\u5728\u51fd\u6570\u4e2d\u7684\u4f20\u9012\u65b9\u5f0f\u6709\u52a9\u4e8e\u4f18\u5316\u4ee3\u7801\u6027\u80fd\u3002 PHP \u51fd\u6570\u4e2d\u53d8\u91cf\u7c7b\u578b\u5bf9\u6027\u80fd\u7684\u5f71\u54cd \u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u7684\u7c7b\u578b\u5bf9\u51fd\u6570\u6027\u80fd\u7684\u5f71\u54cd\u5e38\u5e38\u88ab\u5ffd\u89c6\u3002\u7406\u89e3\u4e0d\u540c\u53d8\u91cf\u7c7b\u578b\u5728\u4f20\u53c2\u65f6\u7684\u7ec6\u5fae\u5dee\u522b\u5bf9\u4e8e\u4f18\u5316\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002 \u57fa\u672c\u7c7b\u578b \u57fa\u672c\u7c7b\u578b\uff08\u4f8b\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5e03\u5c14\u503c\u548c\u5b57\u7b26\u4e32\uff09\u5728\u51fd\u6570\u4e2d\u4f5c\u4e3a\u503c\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u5b83\u4eec\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4ec5\u9650\u4e8e\u51fd\u6570\u5185\u90e8\uff0c\u4e0d\u4f1a\u5f71\u54cd\u8c03\u7528\u8005\u7684\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5206\u914d\u548c\u590d\u5236\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002 function sum($a, $b) { $a += $b; return $a; } $a = 5; $b = 10; $result = sum($a, $b); \/\/ $a \u4ecd\u7136\u4e3a 5 \u5f15\u7528\u7c7b\u578b \u5f15\u7528\u7c7b\u578b\uff08\u4f8b\u5982\u6570\u7ec4\u548c\u5bf9\u8c61\uff09\u5728\u51fd\u6570\u4e2d\u4f5c\u4e3a\u5f15\u7528\u4f20\u9012\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u5b83\u4eec\u8fdb\u884c\u7684\u4efb\u4f55\u4fee\u6539\u90fd\u4f1a\u76f4\u63a5\u53cd\u6620\u5728\u8c03\u7528\u8005\u7684\u503c\u4e2d\u3002\u867d\u7136\u8fd9\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u4e5f\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\uff0c\u56e0\u4e3a\u6bcf\u6b21\u5bf9\u5f15\u7528\u7c7b\u578b\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u6574\u4e2a\u503c\u90fd\u5fc5\u987b\u590d\u5236\u3002 function doubleArray($array) { foreach ($array as &amp;$value) { $value *= 2; } } $array = [1, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-46718","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=46718"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46718\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}