{"id":47224,"date":"2024-12-02T09:36:22","date_gmt":"2024-12-02T01:36:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47224\/"},"modified":"2024-12-02T09:36:22","modified_gmt":"2024-12-02T01:36:22","slug":"php-%e5%87%bd%e6%95%b0%e5%bc%95%e7%94%a8%ef%bc%9a%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2%e5%85%b6%e7%94%a8%e6%b3%95%e5%92%8c%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47224\/","title":{"rendered":"PHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406<\/h1>\n<p>\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\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<p>PHP \u51fd\u6570\u5f15\u7528\u662f\u4e00\u79cd\u673a\u5236\uff0c\u5141\u8bb8\u95f4\u63a5\u8c03\u7528\u51fd\u6570\uff0c\u7528\u9014\u5305\u62ec\u521b\u5efa\u56de\u8c03\u51fd\u6570\u3001\u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u548c\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002\u51fd\u6570\u5f15\u7528\u6307\u5411\u51fd\u6570\u7684\u5730\u5740\uff0c\u5bf9\u51fd\u6570\u5f15\u7528\u7684\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u51fd\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729905627671c43db98719.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u7528\u6cd5\u548c\u539f\u7406<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>PHP \u51fd\u6570\u5f15\u7528\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u60a8\u95f4\u63a5\u8c03\u7528\u51fd\u6570\u3002\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa\u56de\u8c03\u51fd\u6570<\/li>\n<li>\u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570<\/li>\n<li>\u52a8\u6001\u8c03\u7528\u51fd\u6570<\/li>\n<\/ul>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>PHP \u4e2d\u4f7f\u7528\u51fd\u6570\u5f15\u7528\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>$function_name = 'function_name';\n$function_reference = &amp;$function_name;<\/pre>\n<p><strong>\u7528\u6cd5<\/strong><\/p>\n<p>\u5728\u4e86\u89e3\u4e86\u8bed\u6cd5\u540e\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 PHP \u4e2d\u4f7f\u7528\u51fd\u6570\u5f15\u7528\u7684\u793a\u4f8b\uff1a<\/p>\n<p><strong>\u793a\u4f8b 1\uff1a\u521b\u5efa\u56de\u8c03\u51fd\u6570<\/strong><\/p>\n<pre>$callback = function($value) {\n    return $value * 2;\n};\n\n\/\/ \u8c03\u7528\u56de\u8c03\u51fd\u6570\n$result = array_map($callback, [1, 2, 3]);<\/pre>\n<p><strong>\u793a\u4f8b 2\uff1a\u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570<\/strong><\/p>\n<pre>function passFunction($function) {\n    $function();\n}\n\nfunction printHello() {\n    echo \"Hello world!\" . PHP_EOL;\n}\n\npassFunction('printHello');<\/pre>\n<p><strong>\u793a\u4f8b 3\uff1a\u52a8\u6001\u8c03\u7528\u51fd\u6570<\/strong><\/p>\n<pre>$function_name = 'ucwords';\n\n\/\/ \u52a8\u6001\u8c03\u7528\u51fd\u6570\n$result = $function_name('hello world');<\/pre>\n<p><strong>\u539f\u7406<\/strong><\/p>\n<p>\u51fd\u6570\u5f15\u7528\u672c\u8d28\u4e0a\u662f\u6307\u5411\u5b9e\u9645\u51fd\u6570\u7684\u6307\u9488\u3002\u5f53\u60a8\u5bf9\u51fd\u6570\u5f15\u7528\u8fdb\u884c\u8d4b\u503c\u65f6\uff0c\u60a8\u5b9e\u9645\u662f\u5728\u5c06\u8be5\u51fd\u6570\u7684\u5730\u5740\u5b58\u50a8\u5728\u8be5\u53d8\u91cf\u4e2d\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u51fd\u6570\u5f15\u7528\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u5f71\u54cd\u539f\u59cb\u51fd\u6570\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u51fd\u6570\u5f15\u7528\u5728 PHP \u4e2d\u7684\u5e38\u89c1\u5e94\u7528\u662f\u5728\u521b\u5efa\u533f\u540d\u51fd\u6570\u65f6\u3002\u533f\u540d\u51fd\u6570\u6ca1\u6709\u7279\u5b9a\u7684\u540d\u79f0\uff0c\u800c\u662f\u4f7f\u7528 lambda \u8bed\u6cd5\u521b\u5efa\u7684\u3002\u5f53\u60a8\u9700\u8981\u5c06\u56de\u8c03\u51fd\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u65f6\uff0c\u51fd\u6570\u5f15\u7528\u975e\u5e38\u65b9\u4fbf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>usort($data, function($a, $b) {\n    return strcmp($a['name'], $b['name']);\n});<\/pre>\n<p>\u6b64\u5916\uff0c\u51fd\u6570\u5f15\u7528\u8fd8\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u52a8\u6001\u56de\u8c03\uff0c\u8fd9\u5728\u9700\u8981\u6839\u636e\u7279\u5b9a\u60c5\u51b5\u8c03\u7528\u4e0d\u540c\u51fd\u6570\u65f6\u5f88\u6709\u7528\u3002<\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<p>\u867d\u7136\u51fd\u6570\u5f15\u7528\u5f88\u5f3a\u5927\uff0c\u4f46\u4f7f\u7528\u5b83\u4eec\u7684\u969b\u306b\u306f\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/p>\n<ul>\n<li>\u5bf9\u51fd\u6570\u5f15\u7528\u7684\u66f4\u6539\u4e5f\u4f1a\u5f71\u54cd\u539f\u59cb\u51fd\u6570\u3002<\/li>\n<li>\u51fd\u6570\u5f15\u7528\u5e76\u4e0d\u662f\u6309\u503c\u4f20\u9012\u7684\uff0c\u800c\u662f\u6309\u5f15\u7528\u4f20\u9012\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5bf9\u51fd\u6570\u5f15\u7528\u7684\u4efb\u4f55\u66f4\u6539\u4e5f\u4f1a\u53cd\u6620\u5728\u539f\u59cb\u51fd\u6570\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406\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\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406 \u5b66\u4e60\u6587\u7ae0\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u5176\u7528\u6cd5\u548c\u539f\u7406\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 PHP \u51fd\u6570\u5f15\u7528\u662f\u4e00\u79cd\u673a\u5236\uff0c\u5141\u8bb8\u95f4\u63a5\u8c03\u7528\u51fd\u6570\uff0c\u7528\u9014\u5305\u62ec\u521b\u5efa\u56de\u8c03\u51fd\u6570\u3001\u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u548c\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002\u51fd\u6570\u5f15\u7528\u6307\u5411\u51fd\u6570\u7684\u5730\u5740\uff0c\u5bf9\u51fd\u6570\u5f15\u7528\u7684\u66f4\u6539\u4f1a\u5f71\u54cd\u539f\u59cb\u51fd\u6570\u3002 PHP \u51fd\u6570\u5f15\u7528\uff1a\u6df1\u5165\u63a2\u7d22\u7528\u6cd5\u548c\u539f\u7406 \u7b80\u4ecb PHP \u51fd\u6570\u5f15\u7528\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u60a8\u95f4\u63a5\u8c03\u7528\u51fd\u6570\u3002\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a \u521b\u5efa\u56de\u8c03\u51fd\u6570 \u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570 \u52a8\u6001\u8c03\u7528\u51fd\u6570 \u8bed\u6cd5 PHP \u4e2d\u4f7f\u7528\u51fd\u6570\u5f15\u7528\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a $function_name = &#8216;function_name&#8217;; $function_reference = &amp;$function_name; \u7528\u6cd5 \u5728\u4e86\u89e3\u4e86\u8bed\u6cd5\u540e\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 PHP \u4e2d\u4f7f\u7528\u51fd\u6570\u5f15\u7528\u7684\u793a\u4f8b\uff1a \u793a\u4f8b 1\uff1a\u521b\u5efa\u56de\u8c03\u51fd\u6570 $callback = function($value) { return $value * 2; }; \/\/ \u8c03\u7528\u56de\u8c03\u51fd\u6570 $result = array_map($callback, [1, 2, 3]); \u793a\u4f8b 2\uff1a\u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570 function passFunction($function) { $function(); } function printHello() [&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-47224","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47224","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=47224"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47224\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}