{"id":47814,"date":"2024-12-02T09:39:30","date_gmt":"2024-12-02T01:39:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47814\/"},"modified":"2024-12-02T09:39:30","modified_gmt":"2024-12-02T01:39:30","slug":"%e9%98%b2%e6%ad%a2-php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a0%86%e6%a0%88%e6%ba%a2%e5%87%ba%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47814\/","title":{"rendered":"\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"

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

\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5<\/h1>\n

\u5b66\u4e60\u6587\u7ae0<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300a\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

\"\u9632\u6b62<\/p>\n

\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n

\u4ec0\u4e48\u662f\u5806\u6808\u6ea2\u51fa\uff1f<\/strong><\/p>\n

\u5806\u6808\u6ea2\u51fa\u662f\u4e00\u79cd\u8fd0\u884c\u65f6\u9519\u8bef\uff0c\u5f53\u4e00\u4e2a\u51fd\u6570\u4e0d\u65ad\u8c03\u7528\u81ea\u8eab\uff0c\u5728\u51fd\u6570\u8c03\u7528\u6808\u4e2d\u521b\u5efa\u8fc7\u591a\u7684\u8c03\u7528\u65f6\u5c31\u4f1a\u53d1\u751f\u3002\u8fd9\u4f1a\u5bfc\u81f4\u5185\u5b58\u4e0d\u8db3\uff0c\u8fdb\u800c\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n

\u907f\u514d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n

1. \u4f7f\u7528\u5c3e\u9012\u5f52<\/strong><\/p>\n

\u5c3e\u9012\u5f52\u662f\u9012\u5f52\u51fd\u6570\u7684\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\uff0c\u5176\u4e2d\u51fd\u6570\u7684\u6700\u540e\u4e00\u4e2a\u64cd\u4f5c\u662f\u8c03\u7528\u81ea\u8eab\u3002\u8fd9\u53ef\u4ee5\u8ba9\u7f16\u8bd1\u5668\u4f18\u5316\u6389\u9012\u5f52\u8c03\u7528\uff0c\u907f\u514d\u521b\u5efa\u989d\u5916\u7684\u5806\u6808\u5e27\u3002<\/p>\n

function factorial_tail($n, $acc = 1) {\n    if ($n === 0) {\n        return $acc;\n    } else {\n        return factorial_tail($n - 1, $acc * $n);\n    }\n}<\/pre>\n
2. \u4f7f\u7528\u5907\u5fd8\u5f55<\/strong><\/p>\n
\u5907\u5fd8\u5f55\u662f\u4e00\u79cd\u6280\u672f\uff0c\u5b83\u5b58\u50a8\u5df2\u7ecf\u5b8c\u6210\u7684\u51fd\u6570\u8c03\u7528\u7684\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u91cd\u590d\u8ba1\u7b97\uff0c\u4ece\u800c\u51cf\u5c11\u5806\u6808\u8c03\u7528\u7684\u6570\u91cf\u3002<\/p>\n
$cache = [];\n\nfunction fibonacci($n) {\n    if (!array_key_exists($n, $cache)) {\n        if ($n < 2) {\n            $cache[$n] = $n;\n        } else {\n            $cache[$n] = fibonacci($n - 1) + fibonacci($n - 2);\n        }\n    }\n\n    return $cache[$n];\n}<\/pre>\n
3. \u4f7f\u7528\u8fed\u4ee3<\/strong><\/p>\n
\u6709\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fed\u4ee3\u6765\u91cd\u5199\u9012\u5f52\u51fd\u6570\uff0c\u8fd9\u901a\u5e38\u53ef\u4ee5\u907f\u514d\u5806\u6808\u6ea2\u51fa\u3002<\/p>\n
function factorial_iter($n) {\n    $result = 1;\n    for ($i = 1; $i <= $n; $i++) {\n        $result *= $i;\n    }\n    return $result;\n}<\/pre>\n
4. \u9650\u5236\u51fd\u6570\u8c03\u7528\u7684\u6df1\u5ea6<\/strong><\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u51fd\u6570\u8c03\u7528\u7684\u6700\u5927\u6df1\u5ea6\u6765\u9650\u5236\u51fd\u6570\u8c03\u7528\u7684\u6570\u91cf\u3002<\/p>\n
ini_set('max_execution_time', 30); \/\/ 30 \u79d2\u540e\u6267\u884c\u8d85\u65f6\nini_set('xdebug.max_nesting_level', 100); \/\/ \u9650\u5236\u5d4c\u5957\u8c03\u7528\u6df1\u5ea6\u4e3a 100<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u9636\u4e58\u7684\u9012\u5f52\u51fd\u6570\uff1a<\/p>\n
function factorial($n) {\n    if ($n < 2) {\n        return $n;\n    } else {\n        return $n * factorial($n - 1);\n    }\n}<\/pre>\n
\u5f53\u4f20\u9012\u4e00\u4e2a\u5927\u6574\u6570\u65f6\uff0c\u6b64\u51fd\u6570\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5806\u6808\u6ea2\u51fa\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5c3e\u9012\u5f52\u6765\u4f18\u5316\u5b83\uff1a<\/p>\n
function factorial_tail($n, $acc = 1) {\n    if ($n === 0) {\n        return $acc;\n    } else {\n        return factorial_tail($n - 1, $acc * $n);\n    }\n}<\/pre>\n
\u8fd9\u4e2a\u4f18\u5316\u7684\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528\u5c3e\u9012\u5f52\u6765\u907f\u514d\u5806\u6808\u6ea2\u51fa\uff0c\u5373\u4f7f\u5bf9\u4e8e\u975e\u5e38\u5927\u7684\u6574\u6570\u4e5f\u662f\u5982\u6b64\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u5806\u6808\u6ea2\u51fa\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5 \u5b66\u4e60\u6587\u7ae0\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300a\u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5\u300b\u5c06\u4f1a\u4ecb\u7ecd\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\u6587\u7ae0\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01 \u9632\u6b62 PHP \u51fd\u6570\u4e2d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5 \u4ec0\u4e48\u662f\u5806\u6808\u6ea2\u51fa\uff1f \u5806\u6808\u6ea2\u51fa\u662f\u4e00\u79cd\u8fd0\u884c\u65f6\u9519\u8bef\uff0c\u5f53\u4e00\u4e2a\u51fd\u6570\u4e0d\u65ad\u8c03\u7528\u81ea\u8eab\uff0c\u5728\u51fd\u6570\u8c03\u7528\u6808\u4e2d\u521b\u5efa\u8fc7\u591a\u7684\u8c03\u7528\u65f6\u5c31\u4f1a\u53d1\u751f\u3002\u8fd9\u4f1a\u5bfc\u81f4\u5185\u5b58\u4e0d\u8db3\uff0c\u8fdb\u800c\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002 \u907f\u514d\u5806\u6808\u6ea2\u51fa\u7684\u6700\u4f73\u5b9e\u8df5 1. \u4f7f\u7528\u5c3e\u9012\u5f52 \u5c3e\u9012\u5f52\u662f\u9012\u5f52\u51fd\u6570\u7684\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\uff0c\u5176\u4e2d\u51fd\u6570\u7684\u6700\u540e\u4e00\u4e2a\u64cd\u4f5c\u662f\u8c03\u7528\u81ea\u8eab\u3002\u8fd9\u53ef\u4ee5\u8ba9\u7f16\u8bd1\u5668\u4f18\u5316\u6389\u9012\u5f52\u8c03\u7528\uff0c\u907f\u514d\u521b\u5efa\u989d\u5916\u7684\u5806\u6808\u5e27\u3002 function factorial_tail($n, $acc = 1) { if ($n === 0) { return $acc; } else { return factorial_tail($n – 1, $acc * $n); } } 2. \u4f7f\u7528\u5907\u5fd8\u5f55 \u5907\u5fd8\u5f55\u662f\u4e00\u79cd\u6280\u672f\uff0c\u5b83\u5b58\u50a8\u5df2\u7ecf\u5b8c\u6210\u7684\u51fd\u6570\u8c03\u7528\u7684\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u91cd\u590d\u8ba1\u7b97\uff0c\u4ece\u800c\u51cf\u5c11\u5806\u6808\u8c03\u7528\u7684\u6570\u91cf\u3002 $cache = []; function fibonacci($n) { if (!array_key_exists($n, $cache)) { if ($n […]<\/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-47814","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47814","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=47814"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47814\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}