{"id":48410,"date":"2024-12-02T11:21:01","date_gmt":"2024-12-02T03:21:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48410\/"},"modified":"2024-12-02T11:21:01","modified_gmt":"2024-12-02T03:21:01","slug":"%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92%e5%af%b9-php-%e5%87%bd%e6%95%b0%e6%95%88%e7%8e%87%e7%9a%84%e5%bd%b1%e5%93%8d%e5%a6%82%e4%bd%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48410\/","title":{"rendered":"\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f<\/h1>\n<p>\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\u300a\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n<p>\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u6548\u7387\uff0c\u7279\u522b\u662f\u4f20\u9012\u5927\u578b\u6570\u636e\u65f6\u3002\u5728\u6309\u503c\u4f20\u9012\u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u662f\u539f\u59cb\u503c\u7684\u526f\u672c\uff0c\u800c\u6309\u5f15\u7528\u4f20\u9012\u64cd\u4f5c\u7684\u662f\u539f\u59cb\u503c\u3002\u5728\u793a\u4f8b\u51fd\u6570\u4e2d\uff0c\u6309\u5f15\u7528\u4f20\u9012\u907f\u514d\u4e86\u521b\u5efa\u6570\u7ec4\u5143\u7d20\u7684\u526f\u672c\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u6548\u7387\u3002\u5b9e\u9645\u6d4b\u8bd5\u8868\u660e\uff0c\u6309\u5f15\u7528\u4f20\u9012\u6267\u884c\u6c42\u548c\u64cd\u4f5c\u6bd4\u6309\u503c\u4f20\u9012\u5feb\u5f88\u591a\uff0c\u8282\u7701\u4e86\u5185\u5b58\u548c\u6267\u884c\u65f6\u95f4\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730025274671e173a1469b.jpg\" class=\"aligncenter\" title=\"\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u63d2\u56fe\" alt=\"\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd<\/h2>\n<p>\u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u53ef\u4ee5\u6309\u503c\u4f20\u9012\u6216\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u503c\u4f20\u9012\u521b\u5efa\u51fd\u6570\u8c03\u7528\u4e2d\u5b9e\u53c2\u7684\u4e00\u4e2a\u526f\u672c\uff0c\u800c\u6309\u5f15\u7528\u4f20\u9012\u5219\u64cd\u4f5c\u5b9e\u53c2\u7684\u539f\u59cb\u503c\u3002\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u63d0\u9ad8\u51fd\u6570\u7684\u6548\u7387\uff0c\u7279\u522b\u662f\u5f53\u4f20\u9012\u5927\u578b\u6570\u7ec4\u6216\u5bf9\u8c61\u65f6\u3002<\/p>\n<p><strong>\u6309\u503c\u4f20\u9012<\/strong><\/p>\n<pre>function doubleArray(array $array) {\n    foreach ($array as &amp;$value) {\n        $value *= 2;\n    }\n}\n\n$array = [1, 2, 3];\ndoubleArray($array);\nvar_dump($array); \/\/ [1, 2, 3]<\/pre>\n<p><strong>\u6309\u5f15\u7528\u4f20\u9012<\/strong><\/p>\n<pre>function doubleArray(array &amp;$array) {\n    foreach ($array as &amp;$value) {\n        $value *= 2;\n    }\n}\n\n$array = [1, 2, 3];\ndoubleArray($array);\nvar_dump($array); \/\/ [2, 4, 6]<\/pre>\n<p>\u5728 <code>doubleArray<\/code> \u51fd\u6570\u4e2d\uff0c\u6309\u503c\u4f20\u9012\u65f6\uff0c\u6211\u4eec\u4f7f\u7528 <code>foreach<\/code> \u904d\u5386\u6570\u7ec4\u5e76\u9010\u4e2a\u590d\u5236\u5143\u7d20\u7684\u503c\u3002\u4f46\u662f\uff0c\u6309\u5f15\u7528\u4f20\u9012\u65f6\uff0c<code>foreach<\/code> \u4f1a\u76f4\u63a5\u64cd\u4f5c\u539f\u59cb\u6570\u7ec4\u7684\u5143\u7d20\u3002\u7ed3\u679c\uff0c\u6309\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u907f\u514d\u521b\u5efa\u526f\u672c\uff0c\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9e\u9645\u793a\u4f8b\uff0c\u8bf4\u660e\u5f15\u7528\u4f20\u9012\u5982\u4f55\u63d0\u9ad8\u51fd\u6570\u6548\u7387\uff1a<\/p>\n<pre>function largeArraySum(array $array) {\n    $sum = 0;\n    foreach ($array as $element) {\n        $sum += $element;\n    }\n    return $sum;\n}\n\n$numElements = 10000;\n$array = range(1, $numElements);\n\n$startTime = microtime(true);\n$sum = largeArraySum($array);\n$execTime = microtime(true) - $startTime;\n\necho \"\u6309\u503c\u4f20\u9012\uff1a$execTime \u79d2\\n\";\n\n$startTime = microtime(true);\n$sum = largeArraySum($array);\n$execTime = microtime(true) - $startTime;\n\necho \"\u6309\u5f15\u7528\u4f20\u9012\uff1a$execTime \u79d2\\n\";<\/pre>\n<p>\u6309\u503c\u4f20\u9012\u65f6\uff0c\u6b64\u51fd\u6570\u9700\u8981\u4e3a\u6bcf\u4e2a\u4f20\u9012\u7684\u5143\u7d20\u521b\u5efa\u526f\u672c\uff0c\u8fd9\u4f1a\u589e\u52a0\u5185\u5b58\u4f7f\u7528\u548c\u6267\u884c\u65f6\u95f4\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u6309\u5f15\u7528\u4f20\u9012\u907f\u514d\u4e86\u590d\u5236\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e86\u51fd\u6570\u7684\u6548\u7387\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\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\u300a\u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd\u5982\u4f55\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002 \u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u63d0\u9ad8 PHP \u51fd\u6570\u7684\u6548\u7387\uff0c\u7279\u522b\u662f\u4f20\u9012\u5927\u578b\u6570\u636e\u65f6\u3002\u5728\u6309\u503c\u4f20\u9012\u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u662f\u539f\u59cb\u503c\u7684\u526f\u672c\uff0c\u800c\u6309\u5f15\u7528\u4f20\u9012\u64cd\u4f5c\u7684\u662f\u539f\u59cb\u503c\u3002\u5728\u793a\u4f8b\u51fd\u6570\u4e2d\uff0c\u6309\u5f15\u7528\u4f20\u9012\u907f\u514d\u4e86\u521b\u5efa\u6570\u7ec4\u5143\u7d20\u7684\u526f\u672c\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u6548\u7387\u3002\u5b9e\u9645\u6d4b\u8bd5\u8868\u660e\uff0c\u6309\u5f15\u7528\u4f20\u9012\u6267\u884c\u6c42\u548c\u64cd\u4f5c\u6bd4\u6309\u503c\u4f20\u9012\u5feb\u5f88\u591a\uff0c\u8282\u7701\u4e86\u5185\u5b58\u548c\u6267\u884c\u65f6\u95f4\u3002 \u5f15\u7528\u4f20\u9012\u5bf9 PHP \u51fd\u6570\u6548\u7387\u7684\u5f71\u54cd \u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u53ef\u4ee5\u6309\u503c\u4f20\u9012\u6216\u6309\u5f15\u7528\u4f20\u9012\u3002\u6309\u503c\u4f20\u9012\u521b\u5efa\u51fd\u6570\u8c03\u7528\u4e2d\u5b9e\u53c2\u7684\u4e00\u4e2a\u526f\u672c\uff0c\u800c\u6309\u5f15\u7528\u4f20\u9012\u5219\u64cd\u4f5c\u5b9e\u53c2\u7684\u539f\u59cb\u503c\u3002\u5f15\u7528\u4f20\u9012\u53ef\u4ee5\u63d0\u9ad8\u51fd\u6570\u7684\u6548\u7387\uff0c\u7279\u522b\u662f\u5f53\u4f20\u9012\u5927\u578b\u6570\u7ec4\u6216\u5bf9\u8c61\u65f6\u3002 \u6309\u503c\u4f20\u9012 function doubleArray(array $array) { foreach ($array as &amp;$value) { $value *= 2; } } $array = [1, 2, 3]; doubleArray($array); var_dump($array); \/\/ [1, 2, 3] \u6309\u5f15\u7528\u4f20\u9012 function doubleArray(array &amp;$array) { foreach ($array as &amp;$value) { $value *= 2; } [&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-48410","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48410","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=48410"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48410\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}