{"id":47569,"date":"2024-12-02T09:28:53","date_gmt":"2024-12-02T01:28:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47569\/"},"modified":"2024-12-02T09:28:53","modified_gmt":"2024-12-02T01:28:53","slug":"php-%e5%87%bd%e6%95%b0%e7%9a%84%e5%87%bd%e6%95%b0%e6%8c%87%e9%92%88%e6%98%af%e5%a6%82%e4%bd%95%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47569\/","title":{"rendered":"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<p>PHP\u51fd\u6570\u6307\u9488\u5141\u8bb8\u5c06\u51fd\u6570\u540d\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\uff0c\u5b9e\u73b0\u8fd0\u884c\u65f6\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002\u8bed\u6cd5\u4e3a\uff1a$function_pointer = &#8216;function_name&#8217;\u3002\u51fd\u6570\u6307\u9488\u5728\u52a8\u6001\u8c03\u7528\u56de\u8c03\u51fd\u6570\u3001\u6a21\u62df\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u65b9\u9762\u53d1\u6325\u4f5c\u7528\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u5b83\u4ec5\u6307\u5411\u521b\u5efa\u65f6\u5b58\u5728\u7684\u51fd\u6570\uff0c\u4e0d\u9002\u7528\u4e8e\u53d8\u91cf\u51fd\u6570\u540d\uff08PHP 5.3 \u4e4b\u524d\uff09\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729923937671c8b618ae76.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h2>\n<p>PHP \u51fd\u6570\u6307\u9488\u662f\u4e00\u79cd\u5141\u8bb8\u6211\u4eec\u5c06\u51fd\u6570\u540d\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\u7684\u6280\u672f\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002<\/p>\n<h3>\u51fd\u6570\u6307\u9488\u8bed\u6cd5<\/h3>\n<p>\u51fd\u6570\u6307\u9488\u53d8\u91cf\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>$function_pointer = 'function_name';<\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>$greet = 'greet';<\/pre>\n<h3>\u5b9e\u9645\u6848\u4f8b<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b\u4e0d\u540c\u95ee\u5019\u8bed\u7684\u6570\u7ec4\uff1a<\/p>\n<pre>$greetings = ['Hello', 'Bonjour', 'Hola'];<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u6307\u9488\u6765\u52a8\u6001\u9009\u62e9\u5e76\u8c03\u7528\u4e00\u4e2a\u51fd\u6570\u6765\u6253\u5370\u95ee\u5019\u8bed\uff1a<\/p>\n<pre>function greet($greeting) {\n    echo $greeting . PHP_EOL;\n}\n\nforeach ($greetings as $greeting) {\n    $greet = 'greet';\n    $greet($greeting);\n}<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>Hello\nBonjour\nHola<\/pre>\n<h3>\u5e94\u7528\u573a\u666f<\/h3>\n<p>\u51fd\u6570\u6307\u9488\u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u52a8\u6001\u8c03\u7528\u56de\u8c03\u51fd\u6570<\/strong>\uff1a\u5728\u4e8b\u4ef6\u6216\u94a9\u5b50\u4e0a\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f20\u9012\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u56de\u8c03\u3002<\/li>\n<li><strong>\u6a21\u62df\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/strong>\uff1a\u5728 PHP \u4e2d\u6a21\u62df\u5bf9\u8c61\u65b9\u6cd5\u8c03\u7528\u65f6\uff0c\u53ef\u4ee5\u4e3a\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u6307\u9488\u6570\u7ec4\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027<\/strong>\uff1a\u901a\u8fc7\u5c06\u51fd\u6570\u6307\u9488\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\uff0c\u4ee3\u7801\u53d8\u5f97\u66f4\u6613\u4e8e\u7ef4\u62a4\u548c\u66f4\u6539\u3002<\/li>\n<\/ul>\n<h3>\u6ce8\u610f<\/h3>\n<ul>\n<li>\u51fd\u6570\u6307\u9488\u4e0d\u5e94\u4e0e\u533f\u540d\u51fd\u6570\u6df7\u6dc6\u3002<\/li>\n<li>\u51fd\u6570\u6307\u9488\u53ea\u80fd\u6307\u5411\u5b58\u5728\u4e8e\u51fd\u6570\u6307\u9488\u521b\u5efa\u65f6\u5b58\u5728\u7684\u51fd\u6570\u3002<\/li>\n<li>\u5728 PHP 5.3 \u4e4b\u524d\uff0c\u51fd\u6570\u6307\u9488\u4e0d\u652f\u6301\u53d8\u91cf\u51fd\u6570\u540d\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f \u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002 PHP\u51fd\u6570\u6307\u9488\u5141\u8bb8\u5c06\u51fd\u6570\u540d\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\uff0c\u5b9e\u73b0\u8fd0\u884c\u65f6\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002\u8bed\u6cd5\u4e3a\uff1a$function_pointer = &#8216;function_name&#8217;\u3002\u51fd\u6570\u6307\u9488\u5728\u52a8\u6001\u8c03\u7528\u56de\u8c03\u51fd\u6570\u3001\u6a21\u62df\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u548c\u63d0\u9ad8\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u65b9\u9762\u53d1\u6325\u4f5c\u7528\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u5b83\u4ec5\u6307\u5411\u521b\u5efa\u65f6\u5b58\u5728\u7684\u51fd\u6570\uff0c\u4e0d\u9002\u7528\u4e8e\u53d8\u91cf\u51fd\u6570\u540d\uff08PHP 5.3 \u4e4b\u524d\uff09\u3002 PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f PHP \u51fd\u6570\u6307\u9488\u662f\u4e00\u79cd\u5141\u8bb8\u6211\u4eec\u5c06\u51fd\u6570\u540d\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\u7684\u6280\u672f\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002 \u51fd\u6570\u6307\u9488\u8bed\u6cd5 \u51fd\u6570\u6307\u9488\u53d8\u91cf\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a $function_pointer = &#8216;function_name&#8217;; \u4f8b\u5982\uff1a $greet = &#8216;greet&#8217;; \u5b9e\u9645\u6848\u4f8b \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b\u4e0d\u540c\u95ee\u5019\u8bed\u7684\u6570\u7ec4\uff1a $greetings = [&#8216;Hello&#8217;, &#8216;Bonjour&#8217;, &#8216;Hola&#8217;]; \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u6307\u9488\u6765\u52a8\u6001\u9009\u62e9\u5e76\u8c03\u7528\u4e00\u4e2a\u51fd\u6570\u6765\u6253\u5370\u95ee\u5019\u8bed\uff1a function greet($greeting) { echo $greeting . PHP_EOL; } foreach ($greetings as $greeting) { $greet = &#8216;greet&#8217;; $greet($greeting); } \u8f93\u51fa\uff1a Hello Bonjour Hola \u5e94\u7528\u573a\u666f \u51fd\u6570\u6307\u9488\u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff1a \u52a8\u6001\u8c03\u7528\u56de\u8c03\u51fd\u6570\uff1a\u5728\u4e8b\u4ef6\u6216\u94a9\u5b50\u4e0a\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f20\u9012\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u56de\u8c03\u3002 [&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-47569","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47569","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=47569"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47569\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}