{"id":47401,"date":"2024-12-02T08:35:49","date_gmt":"2024-12-02T00:35:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47401\/"},"modified":"2024-12-02T08:35:49","modified_gmt":"2024-12-02T00:35:49","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e9%80%92%e5%bd%92%e6%9d%a5%e6%9f%a5%e6%89%be%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e5%85%83%e7%b4%a0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47401\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p>\u4f7f\u7528 PHP \u9012\u5f52\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u5c06\u6570\u7ec4\u548c\u8981\u67e5\u627e\u7684\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 findElement() \u51fd\u6570\u3002\u8be5\u51fd\u6570\u9012\u5f52\u904d\u5386\u6570\u7ec4\uff0c\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u5339\u914d\uff0c\u5982\u679c\u5339\u914d\uff0c\u5219\u8fd4\u56de\u5143\u7d20\u7684\u6570\u7ec4\u7d22\u5f15\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729915893671c6bf5df90c.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 PHP \u9012\u5f52\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/p>\n<p>\u9012\u5f52\u6d89\u53ca\u5728\u51fd\u6570\u5185\u90e8\u8c03\u7528\u81ea\u8eab\uff0c\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5728\u6570\u7ec4\u4e2d\u67e5\u627e\u5143\u7d20\u3002\u672c\u6559\u7a0b\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u4f7f\u7528 PHP \u4e2d\u7684\u9012\u5f52\u5b9e\u73b0\u6570\u7ec4\u5143\u7d20\u67e5\u627e\u3002<\/p>\n<p><strong>\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>&lt;?php\nfunction findElement($array, $element, $index = 0)\n{\n    if (isset($array[$index]) &amp;&amp; $array[$index] === $element) {\n        return $index;\n    } elseif (isset($array[$index])) {\n        return findElement($array, $element, $index + 1);\n    } else {\n        return -1;\n    }\n}\n\n$array = ['apple', 'banana', 'cherry', 'dog', 'cat'];\n$result = findElement($array, 'dog');\necho \"\u5143\u7d20 'dog' \u4f4d\u4e8e\u6570\u7ec4\u7d22\u5f15 $result\u3002\";\n?&gt;<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u8981\u4f7f\u7528\u6b64\u51fd\u6570\uff0c\u60a8\u9700\u8981\u5c06\u6570\u7ec4\u548c\u8981\u67e5\u627e\u7684\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\u3002\u5b83\u5c06\u4f7f\u7528\u9012\u5f52\u6765\u904d\u5386\u6570\u7ec4\u5e76\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e0e\u8981\u67e5\u627e\u7684\u5143\u7d20\u5339\u914d\u3002\u5982\u679c\u627e\u5230\u5339\u914d\u9879\uff0c\u5b83\u5c06\u8fd4\u56de\u8be5\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\u3002<\/p>\n<p>\u4e0a\u9762\u7684\u793a\u4f8b\u4f7f\u7528\u4e00\u4e2a\u5305\u542b\u6c34\u679c\u548c\u52a8\u7269\u540d\u79f0\u7684\u6570\u7ec4\u3002\u8981\u67e5\u627e\u5143\u7d20 &#8220;dog&#8221;\uff0c\u6211\u4eec\u5c06\u8c03\u7528 <code>findElement()<\/code> \u51fd\u6570\uff1a<\/p>\n<pre>$result = findElement($array, 'dog');<\/pre>\n<p>\u8be5\u51fd\u6570\u5c06\u9012\u5f52\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u5728 <code>$index<\/code> \u8fbe\u5230 3 \u65f6\u627e\u5230\u5339\u914d\u9879\uff0c\u6b64\u65f6 <code>$array[$index]<\/code> \u7b49\u4e8e &#8220;dog&#8221;\u3002\u51fd\u6570\u5c06\u8fd4\u56de 3\uff0c\u8868\u793a &#8220;dog&#8221; \u4f4d\u4e8e\u6570\u7ec4\u7684\u7d22\u5f15 3\u3002\u8f93\u51fa\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>\u5143\u7d20 'dog' \u4f4d\u4e8e\u6570\u7ec4\u7d22\u5f15 3\u3002<\/pre>\n<p>\u6b64\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5728 PHP \u4e2d\u4f7f\u7528\u9012\u5f52\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u5b83\u6765\u67e5\u627e\u4e0d\u540c\u7c7b\u578b\u7684\u503c\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f\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\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f \u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1f\u300b\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01 \u4f7f\u7528 PHP \u9012\u5f52\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u5c06\u6570\u7ec4\u548c\u8981\u67e5\u627e\u7684\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 findElement() \u51fd\u6570\u3002\u8be5\u51fd\u6570\u9012\u5f52\u904d\u5386\u6570\u7ec4\uff0c\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u5339\u914d\uff0c\u5982\u679c\u5339\u914d\uff0c\u5219\u8fd4\u56de\u5143\u7d20\u7684\u6570\u7ec4\u7d22\u5f15\u3002 \u5982\u4f55\u4f7f\u7528 PHP \u9012\u5f52\u67e5\u627e\u6570\u7ec4\u4e2d\u7684\u5143\u7d20 \u9012\u5f52\u6d89\u53ca\u5728\u51fd\u6570\u5185\u90e8\u8c03\u7528\u81ea\u8eab\uff0c\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5728\u6570\u7ec4\u4e2d\u67e5\u627e\u5143\u7d20\u3002\u672c\u6559\u7a0b\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u4f7f\u7528 PHP \u4e2d\u7684\u9012\u5f52\u5b9e\u73b0\u6570\u7ec4\u5143\u7d20\u67e5\u627e\u3002 \u4ee3\u7801\uff1a &lt;?php function findElement($array, $element, $index = 0) { if (isset($array[$index]) &amp;&amp; $array[$index] === $element) { return $index; } elseif (isset($array[$index])) { return findElement($array, $element, $index + 1); } else { return -1; } } $array = [&#8216;apple&#8217;, &#8216;banana&#8217;, &#8216;cherry&#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-47401","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47401","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=47401"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47401\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}