{"id":46889,"date":"2024-12-02T17:32:04","date_gmt":"2024-12-02T09:32:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46889\/"},"modified":"2024-12-02T17:32:04","modified_gmt":"2024-12-02T09:32:04","slug":"php%e5%87%bd%e6%95%b0%e7%ae%97%e6%b3%95%e4%bc%98%e5%8c%96%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%a6%82%e4%bd%95%e7%bc%96%e5%86%99%e9%ab%98%e6%95%88%e3%80%81%e5%8f%af%e6%89%a9%e5%b1%95%e7%9a%84%e4%bb%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46889\/","title":{"rendered":"php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aphp\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p>PHP \u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\uff0c2. \u4f7f\u7528\u7d22\u5f15\u6570\u7ec4\uff0c3. \u91c7\u7528\u7b97\u6cd5\u590d\u6742\u5ea6\u66f4\u4f4e\u7684\u7b97\u6cd5\uff0c4. \u7f13\u5b58\u7ed3\u679c\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6280\u5de7\uff0c\u53ef\u7f16\u5199\u9ad8\u6548\u4e14\u53ef\u6269\u5c55\u7684 PHP \u4ee3\u7801\uff0c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729852433671b7411eb375.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u63d2\u56fe\" alt=\"php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801<\/strong><\/p>\n<p>\u5728 PHP \u5f00\u53d1\u4e2d\uff0c\u4f18\u5316\u7b97\u6cd5\u5bf9\u4e8e\u63d0\u5347\u4ee3\u7801\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u51e0\u4e2a\u5b9e\u7528\u7684\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff0c\u5e2e\u52a9\u4f60\u7f16\u5199\u9ad8\u6548\u4e14\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u3002<\/p>\n<p><strong>1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5faa\u73af<\/strong><\/p>\n<p>\u5faa\u73af\u662f\u5e38\u89c1\u7684\u6027\u80fd\u74f6\u9888\u3002\u901a\u8fc7\u5c06\u5faa\u73af\u5185\u53ef\u6267\u884c\u7684\u4efb\u52a1\u79fb\u52a8\u5230\u5faa\u73af\u5916\uff0c\u53ef\u4ee5\u51cf\u5c11\u5faa\u73af\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$arr = [1, 2, 3, 4, 5];\n$sum = 0;\nforeach ($arr as $value) {\n    $sum += $value;\n}\n\n\/\/ \u4f18\u5316\u540e\n$sum = array_sum($arr);<\/pre>\n<p><strong>2. \u4f7f\u7528\u7d22\u5f15\u6570\u7ec4<\/strong><\/p>\n<p>\u5bf9\u4e8e\u5927\u578b\u6570\u636e\u96c6\uff0c\u4f7f\u7528\u7d22\u5f15\u6570\u7ec4\u6bd4\u5173\u8054\u6570\u7ec4\u66f4\u6709\u6548\u7387\u3002\u7d22\u5f15\u6570\u7ec4\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5feb\u7684\u8bbf\u95ee\u901f\u5ea6\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u6267\u884c\u65f6\u95f4\u3002<\/p>\n<pre>\/\/ \u5173\u8054\u6570\u7ec4\n$fruits = ['apple' =&gt; 'red', 'banana' =&gt; 'yellow'];\n\n\/\/ \u4f18\u5316\u540e\uff1a\u7d22\u5f15\u6570\u7ec4\n$fruits = ['red', 'yellow'];<\/pre>\n<p><strong>3. \u4f7f\u7528\u7b97\u6cd5\u590d\u6742\u5ea6\u66f4\u4f4e\u7684\u7b97\u6cd5<\/strong><\/p>\n<p>\u9009\u62e9\u7b97\u6cd5\u590d\u6742\u5ea6\u4f4e\u7684\u7b97\u6cd5\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u4ee3\u7801\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u6570\u7ec4\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5feb\u901f\u6392\u5e8f\u6216\u5f52\u5e76\u6392\u5e8f\uff0c\u800c\u4e0d\u662f\u5192\u6ce1\u6392\u5e8f\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709 O(n log n) \u7684\u590d\u6742\u5ea6\uff0c\u6bd4\u5192\u6ce1\u6392\u5e8f\u7684 O(n^2) \u66f4\u4f4e\u3002<\/p>\n<pre>\/\/ \u5192\u6ce1\u6392\u5e8f\nfor ($i = 0; $i &lt; count($arr); $i++) {\n    for ($j = 0; $j &lt; count($arr) - 1; $j++) {\n        if ($arr[$j] &gt; $arr[$j + 1]) {\n            \/\/ \u4ea4\u6362\n        }\n    }\n}\n\n\/\/ \u4f18\u5316\u540e\uff1a\u5feb\u901f\u6392\u5e8f\n$arr = quick_sort($arr);<\/pre>\n<p><strong>4. \u7f13\u5b58\u7ed3\u679c<\/strong><\/p>\n<p>\u5bf9\u4e8e\u9891\u7e41\u4f7f\u7528\u7684\u8ba1\u7b97\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u7f13\u5b58\u8d77\u6765\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u8ba1\u7b97\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<pre>class Calculator {\n    private $cache = [];\n\n    public function fibonacci($n) {\n        if (isset($this-&gt;cache[$n])) {\n            return $this-&gt;cache[$n];\n        }\n\n        $result = $this-&gt;calculateFibonacci($n);\n        $this-&gt;cache[$n] = $result;\n        return $result;\n    }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u8ba1\u7b97\u7ed9\u5b9a\u6570\u7ec4\u6240\u6709\u5143\u7d20\u4e4b\u548c\u3002<\/p>\n<p><strong>\u672a\u4f18\u5316\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>function sum($arr) {\n    $sum = 0;\n    foreach ($arr as $value) {\n        $sum += $value;\n    }\n    return $sum;\n}<\/pre>\n<p><strong>\u4f18\u5316\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>function sum($arr) {\n    return array_sum($arr);\n}<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528 <code>array_sum()<\/code> \u5185\u7f6e\u51fd\u6570\uff0c\u6211\u4eec\u907f\u514d\u4e86\u5faa\u73af\uff0c\u5927\u5927\u63d0\u5347\u4e86\u6027\u80fd\u3002<\/p>\n<p>\u9075\u5faa\u8fd9\u4e9b\u6280\u5de7\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u66f4\u4f18\u5316\u3001\u53ef\u6269\u5c55\u7684 PHP \u4ee3\u7801\uff0c\u6709\u6548\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aphp\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801\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":"<p>php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801 \u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aphp\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u5982\u4f55\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u300b\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01 PHP \u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\uff0c2. \u4f7f\u7528\u7d22\u5f15\u6570\u7ec4\uff0c3. \u91c7\u7528\u7b97\u6cd5\u590d\u6742\u5ea6\u66f4\u4f4e\u7684\u7b97\u6cd5\uff0c4. \u7f13\u5b58\u7ed3\u679c\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6280\u5de7\uff0c\u53ef\u7f16\u5199\u9ad8\u6548\u4e14\u53ef\u6269\u5c55\u7684 PHP \u4ee3\u7801\uff0c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002 PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u4ee3\u7801 \u5728 PHP \u5f00\u53d1\u4e2d\uff0c\u4f18\u5316\u7b97\u6cd5\u5bf9\u4e8e\u63d0\u5347\u4ee3\u7801\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u51e0\u4e2a\u5b9e\u7528\u7684\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff0c\u5e2e\u52a9\u4f60\u7f16\u5199\u9ad8\u6548\u4e14\u53ef\u6269\u5c55\u7684\u4ee3\u7801\u3002 1. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5faa\u73af \u5faa\u73af\u662f\u5e38\u89c1\u7684\u6027\u80fd\u74f6\u9888\u3002\u901a\u8fc7\u5c06\u5faa\u73af\u5185\u53ef\u6267\u884c\u7684\u4efb\u52a1\u79fb\u52a8\u5230\u5faa\u73af\u5916\uff0c\u53ef\u4ee5\u51cf\u5c11\u5faa\u73af\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\u3002\u4f8b\u5982\uff1a $arr = [1, 2, 3, 4, 5]; $sum = 0; foreach ($arr as $value) { $sum += $value; } \/\/ \u4f18\u5316\u540e $sum = array_sum($arr); 2. \u4f7f\u7528\u7d22\u5f15\u6570\u7ec4 \u5bf9\u4e8e\u5927\u578b\u6570\u636e\u96c6\uff0c\u4f7f\u7528\u7d22\u5f15\u6570\u7ec4\u6bd4\u5173\u8054\u6570\u7ec4\u66f4\u6709\u6548\u7387\u3002\u7d22\u5f15\u6570\u7ec4\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5feb\u7684\u8bbf\u95ee\u901f\u5ea6\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u6267\u884c\u65f6\u95f4\u3002 \/\/ \u5173\u8054\u6570\u7ec4 $fruits = [&#8216;apple&#8217; =&gt; &#8216;red&#8217;, &#8216;banana&#8217; =&gt; &#8216;yellow&#8217;]; [&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-46889","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46889","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=46889"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46889\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}