{"id":48182,"date":"2024-12-02T14:34:21","date_gmt":"2024-12-02T06:34:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48182\/"},"modified":"2024-12-02T14:34:21","modified_gmt":"2024-12-02T06:34:21","slug":"php-%e4%b8%ad%e9%80%9a%e8%bf%87%e5%b0%be%e9%80%92%e5%bd%92%e9%81%bf%e5%85%8d%e5%a0%86%e6%a0%88%e6%ba%a2%e5%87%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48182\/","title":{"rendered":"PHP \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa"},"content":{"rendered":"

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

PHP \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa<\/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 \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

\u901a\u8fc7\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u6a21\u62df\u5c3e\u9012\u5f52\uff0cPHP \u4e2d\u53ef\u4ee5\u907f\u514d\u5806\u6808\u6ea2\u51fa\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a\u5c06\u9012\u5f52\u8c03\u7528\u66ff\u6362\u4e3a yield \u8bed\u53e5\uff0c\u7528\u4e8e\u6682\u505c\u51fd\u6570\u6267\u884c\u5e76\u8fd4\u56de\u5f53\u524d\u7ed3\u679c\u3002\u4f7f\u7528\u4e09\u4e2a\u53c2\u6570\uff08\u76ee\u6807\u503c n\u3001\u524d\u4e00\u4e2a\u503c a \u548c\u5f53\u524d\u503c b\uff09\u6a21\u62df\u9012\u5f52\u8fc7\u7a0b\u3002yield \u8bed\u53e5\u6682\u505c\u51fd\u6570\u6267\u884c\uff0c\u5e76\u8fd4\u56de\u5f53\u524d\u503c\u3002\u51fd\u6570\u7ee7\u7eed\u4ece\u4e0a\u6b21\u6682\u505c\u7684\u4f4d\u7f6e\u6267\u884c\uff0c\u907f\u514d\u9012\u5f52\u8c03\u7528\u5806\u79ef\u5728\u5806\u6808\u4e0a\u3002\u4ee5\u6b64\u907f\u514d\u5806\u6808\u6ea2\u51fa\uff0c\u5904\u7406\u9700\u8981\u5927\u91cf\u9012\u5f52\u8c03\u7528\u7684\u7b97\u6cd5\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa<\/strong><\/p>\n

\u5f15\u8a00\uff1a<\/strong><\/p>\n

\u9012\u5f52\u51fd\u6570\u662f\u4e00\u4e2a\u8c03\u7528\u81ea\u8eab\u7684\u51fd\u6570\u3002\u5f53\u9012\u5f52\u6df1\u5ea6\u8fc7\u5927\u65f6\uff0c\u4f1a\u53d1\u751f\u5806\u6808\u6ea2\u51fa\u9519\u8bef\uff0c\u56e0\u4e3a PHP \u4f7f\u7528\u5806\u6808\u6765\u5b58\u50a8\u51fd\u6570\u8c03\u7528\u4fe1\u606f\u3002<\/p>\n

\u5c3e\u9012\u5f52\uff1a<\/strong><\/p>\n

\u5c3e\u9012\u5f52\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u9012\u5f52\u5f62\u5f0f\uff0c\u5176\u4e2d\u51fd\u6570\u8c03\u7528\u662f\u51fd\u6570\u4f53\u4e2d\u7684\u6700\u540e\u64cd\u4f5c\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cPHP \u53ef\u4ee5\u5bf9\u5806\u6808\u8fdb\u884c\u4f18\u5316\uff0c\u907f\u514d\u51fa\u73b0\u5806\u6808\u6ea2\u51fa\u3002<\/p>\n

\u5982\u4f55\u5b9e\u73b0\u5c3e\u9012\u5f52\uff1a<\/strong><\/p>\n

PHP \u4e2d\u65e0\u6cd5\u76f4\u63a5\u5b9e\u73b0\u5c3e\u9012\u5f52\uff0c\u56e0\u4e3a\u51fd\u6570\u8fd4\u56de\u503c\u662f\u5728\u51fd\u6570\u4f53\u6267\u884c\u540e\u624d\u8bc4\u4f30\u7684\u3002\u7136\u800c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u6765\u6a21\u62df\u5c3e\u9012\u5f52\u3002<\/p>\n

\u751f\u6210\u5668\u51fd\u6570\u662f\u4e00\u79cd\u53ef\u6682\u505c\u7684\u51fd\u6570\uff0c\u5b83\u5141\u8bb8\u5728\u51fd\u6570\u4f53\u6267\u884c\u671f\u95f4\u591a\u6b21 yield<\/code> \u51fa\u503c\u3002<\/p>\n

\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n

\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u9012\u5f52\u51fd\u6570\uff1a<\/p>\n

function fibonacci($n) {\n    if ($n <= 1) {\n        return $n;\n    }\n    return fibonacci($n - 1) + fibonacci($n - 2);\n}<\/pre>\n
\u4f7f\u7528\u5c3e\u9012\u5f52\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
function fibonacci_tail($n, $a = 0, $b = 1) {\n    if ($n <= 1) {\n        yield $n;\n        return;\n    }\n    yield $b;\n    fibonacci_tail($n - 1, $b, $a + $b);\n}\n\nforeach (fibonacci_tail(10) as $fibonacci) {\n    echo $fibonacci . \"\\n\";\n}<\/pre>\n
\u5728 fibonacci_tail<\/code> \u51fd\u6570\u4e2d\uff0cyield<\/code> \u8bed\u53e5\u7528\u4e8e\u6682\u505c\u51fd\u6570\u6267\u884c\uff0c\u5e76\u5c06\u5f53\u524d\u7ed3\u679c\u8fd4\u56de\u3002\u51fd\u6570\u7136\u540e\u7ee7\u7eed\u4ece\u4e0a\u6b21\u6682\u505c\u7684\u4f4d\u7f6e\u6267\u884c\u3002\u8fd9\u907f\u514d\u4e86\u9012\u5f52\u8c03\u7528\u5806\u79ef\u5728\u5806\u6808\u4e0a\uff0c\u4ece\u800c\u9632\u6b62\u4e86\u5806\u6808\u6ea2\u51fa\u3002<\/p>\n
\u7ed3\u8bba\uff1a<\/strong><\/p>\n
\u901a\u8fc7\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u6a21\u62df\u5c3e\u9012\u5f52\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d PHP \u4e2d\u7684\u5806\u6808\u6ea2\u51fa\u3002\u8fd9\u5bf9\u4e8e\u5904\u7406\u9700\u8981\u5927\u91cf\u9012\u5f52\u8c03\u7528\u7684\u7b97\u6cd5\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aPHP \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa \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 \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002 \u901a\u8fc7\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u6a21\u62df\u5c3e\u9012\u5f52\uff0cPHP \u4e2d\u53ef\u4ee5\u907f\u514d\u5806\u6808\u6ea2\u51fa\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a\u5c06\u9012\u5f52\u8c03\u7528\u66ff\u6362\u4e3a yield \u8bed\u53e5\uff0c\u7528\u4e8e\u6682\u505c\u51fd\u6570\u6267\u884c\u5e76\u8fd4\u56de\u5f53\u524d\u7ed3\u679c\u3002\u4f7f\u7528\u4e09\u4e2a\u53c2\u6570\uff08\u76ee\u6807\u503c n\u3001\u524d\u4e00\u4e2a\u503c a \u548c\u5f53\u524d\u503c b\uff09\u6a21\u62df\u9012\u5f52\u8fc7\u7a0b\u3002yield \u8bed\u53e5\u6682\u505c\u51fd\u6570\u6267\u884c\uff0c\u5e76\u8fd4\u56de\u5f53\u524d\u503c\u3002\u51fd\u6570\u7ee7\u7eed\u4ece\u4e0a\u6b21\u6682\u505c\u7684\u4f4d\u7f6e\u6267\u884c\uff0c\u907f\u514d\u9012\u5f52\u8c03\u7528\u5806\u79ef\u5728\u5806\u6808\u4e0a\u3002\u4ee5\u6b64\u907f\u514d\u5806\u6808\u6ea2\u51fa\uff0c\u5904\u7406\u9700\u8981\u5927\u91cf\u9012\u5f52\u8c03\u7528\u7684\u7b97\u6cd5\u3002 PHP \u4e2d\u901a\u8fc7\u5c3e\u9012\u5f52\u907f\u514d\u5806\u6808\u6ea2\u51fa \u5f15\u8a00\uff1a \u9012\u5f52\u51fd\u6570\u662f\u4e00\u4e2a\u8c03\u7528\u81ea\u8eab\u7684\u51fd\u6570\u3002\u5f53\u9012\u5f52\u6df1\u5ea6\u8fc7\u5927\u65f6\uff0c\u4f1a\u53d1\u751f\u5806\u6808\u6ea2\u51fa\u9519\u8bef\uff0c\u56e0\u4e3a PHP \u4f7f\u7528\u5806\u6808\u6765\u5b58\u50a8\u51fd\u6570\u8c03\u7528\u4fe1\u606f\u3002 \u5c3e\u9012\u5f52\uff1a \u5c3e\u9012\u5f52\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u9012\u5f52\u5f62\u5f0f\uff0c\u5176\u4e2d\u51fd\u6570\u8c03\u7528\u662f\u51fd\u6570\u4f53\u4e2d\u7684\u6700\u540e\u64cd\u4f5c\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cPHP \u53ef\u4ee5\u5bf9\u5806\u6808\u8fdb\u884c\u4f18\u5316\uff0c\u907f\u514d\u51fa\u73b0\u5806\u6808\u6ea2\u51fa\u3002 \u5982\u4f55\u5b9e\u73b0\u5c3e\u9012\u5f52\uff1a PHP \u4e2d\u65e0\u6cd5\u76f4\u63a5\u5b9e\u73b0\u5c3e\u9012\u5f52\uff0c\u56e0\u4e3a\u51fd\u6570\u8fd4\u56de\u503c\u662f\u5728\u51fd\u6570\u4f53\u6267\u884c\u540e\u624d\u8bc4\u4f30\u7684\u3002\u7136\u800c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u6765\u6a21\u62df\u5c3e\u9012\u5f52\u3002 \u751f\u6210\u5668\u51fd\u6570\u662f\u4e00\u79cd\u53ef\u6682\u505c\u7684\u51fd\u6570\uff0c\u5b83\u5141\u8bb8\u5728\u51fd\u6570\u4f53\u6267\u884c\u671f\u95f4\u591a\u6b21 yield \u51fa\u503c\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a \u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u9012\u5f52\u51fd\u6570\uff1a function fibonacci($n) { if ($n <= 1) { return $n; } return fibonacci($n – 1) + fibonacci($n – 2); } \u4f7f\u7528\u5c3e\u9012\u5f52\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a function fibonacci_tail($n, $a = […]<\/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-48182","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48182","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=48182"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48182\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}