{"id":133659,"date":"2024-04-28T11:42:24","date_gmt":"2024-04-28T03:42:24","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/133659.html"},"modified":"2024-04-28T11:42:28","modified_gmt":"2024-04-28T03:42:28","slug":"php%e7%ae%97%e6%b3%95%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/133659.html","title":{"rendered":"php\u7b97\u6cd5\u6709\u54ea\u4e9b"},"content":{"rendered":"

\"php\u7b97\u6cd5\u6709\u54ea\u4e9b\"<\/p>\n

\u5728PHP\u4e2d\uff0c\u7b97\u6cd5\u662f\u5b8c\u6210\u7279\u5b9a\u4efb\u52a1\u3001\u89e3\u51b3\u95ee\u9898\u6216\u6267\u884c\u64cd\u4f5c\u7684\u660e\u786e\u6b65\u9aa4\u7ec4\u5408\u3002\u5e38\u89c1\u7684PHP\u7b97\u6cd5\u5305\u62ec\u6392\u5e8f\u7b97\u6cd5\u3001\u641c\u7d22\u7b97\u6cd5\u3001\u9012\u5f52\u7b97\u6cd5\u3001\u52a8\u6001\u89c4\u5212\u7b97\u6cd5\u3001\u54c8\u5e0c\u7b97\u6cd5<\/strong>\u7b49\u3002\u6392\u5e8f\u7b97\u6cd5\u5c24\u5176\u91cd\u8981\uff0c\u5b83\u6d89\u53ca\u5230\u6570\u636e\u5143\u7d20\u7684\u5b89\u6392\uff0c\u662f\u6570\u636e\u7ed3\u6784\u4e0e\u7b97\u6cd5\u4e2d\u6838\u5fc3\u7684\u90e8\u5206\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u6392\u5e8f\u7b97\u6cd5\uff0c\u5e76\u63a2\u7d22\u5176\u4ed6\u7c7b\u578b\u7684PHP\u7b97\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u6392\u5e8f\u7b97\u6cd5##<\/h2>\n<\/p>\n

\u5192\u6ce1\u6392\u5e8f<\/h3>\n<\/p>\n

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\u5feb\u901f\u6392\u5e8f<\/h3>\n<\/p>\n

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\u4e8c\u3001\u641c\u7d22\u7b97\u6cd5<\/h2>\n<\/p>\n

\u7ebf\u6027\u641c\u7d22<\/h3>\n<\/p>\n

\u7ebf\u6027\u641c\u7d22\u662f\u6700\u7b80\u5355\u7684\u641c\u7d22\u6280\u672f\u4e4b\u4e00\uff0c\u5b83\u9010\u4e2a\u68c0\u67e5\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u76f4\u5230\u627e\u5230\u6240\u9700\u7684\u5143\u7d20\u6216\u641c\u7d22\u5b8c\u6240\u6709\u7684\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u8981\u6c42\u6570\u7ec4\u662f\u6392\u5e8f\u8fc7\u7684\uff0c\u4f46\u5b83\u7684\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u7279\u522b\u662f\u5f53\u6570\u636e\u96c6\u5f88\u5927\u65f6\u3002\u7ebf\u6027\u641c\u7d22\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(n)\u3002<\/p>\n<\/p>\n

\u4e8c\u5206\u641c\u7d22<\/h3>\n<\/p>\n

\u4e8c\u5206\u641c\u7d22\u7b97\u6cd5\u662f\u5728\u4e00\u4e2a\u6709\u5e8f\u6570\u7ec4\u4e2d\u641c\u7d22\u4e00\u4e2a\u7279\u5b9a\u5143\u7d20\u7684\u9ad8\u6548\u65b9\u6cd5\u3002\u5b83\u9996\u5148\u6bd4\u8f83\u4e2d\u95f4\u5143\u7d20\u548c\u76ee\u6807\u503c\uff0c\u5982\u679c\u4e24\u8005\u76f8\u7b49\uff0c\u5219\u641c\u7d22\u5b8c\u6210\u3002\u5982\u679c\u76ee\u6807\u503c\u5c0f\u4e8e\u4e2d\u95f4\u5143\u7d20\uff0c\u5219\u641c\u7d22\u5de6\u534a\u6570\u7ec4\uff0c\u5426\u5219\u641c\u7d22\u53f3\u534a\u6570\u7ec4\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6bcf\u6b21\u6bd4\u8f83\u540e\u641c\u7d22\u8303\u56f4\u90fd\u4f1a\u7f29\u51cf\u4e00\u534a\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u641c\u7d22\u6548\u7387\u3002\u4e8c\u5206\u641c\u7d22\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(log n)\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u9012\u5f52\u7b97\u6cd5<\/h2>\n<\/p>\n

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\u6590\u6ce2\u90a3\u5951\u6570\u5217<\/h3>\n<\/p>\n

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\u76ee\u5f55\u904d\u5386<\/h3>\n<\/p>\n

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\u56db\u3001\u52a8\u6001\u89c4\u5212\u7b97\u6cd5<\/h2>\n<\/p>\n

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\u80cc\u5305\u95ee\u9898<\/h3>\n<\/p>\n

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\u6700\u957f\u516c\u5171\u5b50\u5e8f\u5217<\/h3>\n<\/p>\n

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\u4e94\u3001\u54c8\u5e0c\u7b97\u6cd5<\/h2>\n<\/p>\n

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\u6570\u636e\u52a0\u5bc6<\/h3>\n<\/p>\n

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\u603b\u7ed3<\/strong>\uff0cPHP\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7b97\u6cd5\u5b9e\u73b0\u65b9\u6cd5\uff0c\u4ece\u7b80\u5355\u7684\u6392\u5e8f\u548c\u641c\u7d22\u5230\u590d\u6742\u7684\u9012\u5f52\u3001\u52a8\u6001\u89c4\u5212\u548c\u54c8\u5e0c\u7b97\u6cd5\u3002\u638c\u63e1\u8fd9\u4e9b\u7b97\u6cd5\u4e0d\u4ec5\u5bf9\u4e8e\u89e3\u51b3\u5177\u4f53\u7684\u7f16\u7a0b\u95ee\u9898\u81f3\u5173\u91cd\u8981\uff0c\u800c\u4e14\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6548\u3001\u53ef\u9760\u7684\u5e94\u7528\u7a0b\u5e8f\u4e5f\u5177\u6709\u91cd\u5927\u610f\u4e49\u3002\u6bcf\u4e00\u79cd\u7b97\u6cd5\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

Q: PHP\u7b97\u6cd5\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u7c7b\u578b\uff1f<\/strong><\/p>\n

A: PHP\u5e38\u7528\u7684\u7b97\u6cd5\u7c7b\u578b\u5305\u62ec\u5b57\u7b26\u4e32\u7b97\u6cd5\u3001\u6392\u5e8f\u7b97\u6cd5\u3001\u641c\u7d22\u7b97\u6cd5\u7b49\u3002\u5b57\u7b26\u4e32\u7b97\u6cd5\u7528\u4e8e\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5339\u914d\u3001\u66ff\u6362\u3001\u622a\u53d6\u7b49\u64cd\u4f5c\uff1b\u6392\u5e8f\u7b97\u6cd5\u7528\u4e8e\u5bf9\u6570\u7ec4\u6216\u5217\u8868\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u4f8b\u5982\u5192\u6ce1\u6392\u5e8f\u3001\u63d2\u5165\u6392\u5e8f\u3001\u5feb\u901f\u6392\u5e8f\u7b49\uff1b\u641c\u7d22\u7b97\u6cd5\u7528\u4e8e\u5728\u6570\u7ec4\u6216\u5217\u8868\u4e2d\u67e5\u627e\u7279\u5b9a\u7684\u5143\u7d20\uff0c\u4f8b\u5982\u7ebf\u6027\u641c\u7d22\u3001\u4e8c\u5206\u641c\u7d22\u7b49\u3002<\/p>\n

Q: \u8bf7\u4ecb\u7ecd\u4e00\u4e0bPHP\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u7b97\u6cd5\u548c\u5b83\u4eec\u7684\u5e94\u7528\u573a\u666f\u3002<\/strong><\/p>\n

A: \u5728PHP\u4e2d\uff0c\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u7b97\u6cd5\u5305\u62ec\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u5339\u914d\u548c\u66ff\u6362\u51fd\u6570\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\u5339\u914d\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u9a8c\u8bc1\u8f93\u5165\u7684\u683c\u5f0f\u3001\u63d0\u53d6\u7279\u5b9a\u5185\u5bb9\u7b49\uff1b\u5b57\u7b26\u4e32\u5339\u914d\u51fd\u6570\uff08\u5982strpos\u3001preg_match\u7b49\uff09\u7528\u4e8e\u5224\u65ad\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u6307\u5b9a\u7684\u5b50\u4e32\u6216\u6a21\u5f0f\uff0c\u5e76\u8fd4\u56de\u5339\u914d\u7684\u4f4d\u7f6e\u6216\u7ed3\u679c\uff1b\u5b57\u7b26\u4e32\u66ff\u6362\u51fd\u6570\uff08\u5982str_replace\u3001preg_replace\u7b49\uff09\u7528\u4e8e\u5c06\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e2a\u5b50\u4e32\u6216\u6a21\u5f0f\u66ff\u6362\u4e3a\u6307\u5b9a\u7684\u5185\u5bb9\u3002<\/p>\n

Q: PHP\u4e2d\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u6392\u5e8f\u7b97\u6cd5\uff1f\u5982\u4f55\u9009\u62e9\u9002\u5408\u7684\u6392\u5e8f\u7b97\u6cd5\uff1f<\/strong><\/p>\n

A: PHP\u4e2d\u5e38\u89c1\u7684\u6392\u5e8f\u7b97\u6cd5\u6709\u5192\u6ce1\u6392\u5e8f\u3001\u63d2\u5165\u6392\u5e8f\u3001\u9009\u62e9\u6392\u5e8f\u3001\u5feb\u901f\u6392\u5e8f\u7b49\u3002\u9009\u62e9\u9002\u5408\u7684\u6392\u5e8f\u7b97\u6cd5\u53d6\u51b3\u4e8e\u6570\u636e\u96c6\u7684\u5927\u5c0f\u548c\u7279\u70b9\u3002\u5982\u679c\u6570\u636e\u96c6\u8f83\u5c0f\u6216\u5df2\u63a5\u8fd1\u6709\u5e8f\uff0c\u63d2\u5165\u6392\u5e8f\u548c\u5192\u6ce1\u6392\u5e8f\u53ef\u80fd\u662f\u8f83\u597d\u7684\u9009\u62e9\uff1b\u5982\u679c\u6570\u636e\u96c6\u8f83\u5927\u4e14\u65e0\u5e8f\uff0c\u5feb\u901f\u6392\u5e8f\u901a\u5e38\u662f\u8f83\u5feb\u7684\u7b97\u6cd5\uff1b\u5982\u679c\u9700\u8981\u7a33\u5b9a\u7684\u6392\u5e8f\u7ed3\u679c\uff0c\u53ef\u4ee5\u9009\u62e9\u5f52\u5e76\u6392\u5e8f\u6216\u63d2\u5165\u6392\u5e8f\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8003\u8651\u7b97\u6cd5\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u548c\u7a7a\u95f4\u590d\u6742\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728PHP\u4e2d\uff0c\u7b97\u6cd5\u662f\u5b8c\u6210\u7279\u5b9a\u4efb\u52a1\u3001\u89e3\u51b3\u95ee\u9898\u6216\u6267\u884c\u64cd\u4f5c\u7684\u660e\u786e\u6b65\u9aa4\u7ec4\u5408\u3002\u5e38\u89c1\u7684PHP\u7b97\u6cd5\u5305\u62ec\u6392\u5e8f\u7b97\u6cd5\u3001\u641c\u7d22\u7b97\u6cd5\u3001\u9012\u5f52 […]","protected":false},"author":3,"featured_media":133671,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/133659"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=133659"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/133659\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/133671"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=133659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=133659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=133659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}