{"id":48061,"date":"2024-12-02T11:26:57","date_gmt":"2024-12-02T03:26:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48061\/"},"modified":"2024-12-02T11:26:57","modified_gmt":"2024-12-02T03:26:57","slug":"php%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e6%8e%a5%e6%94%b6%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48061\/","title":{"rendered":"PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f<\/h1>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p>PHP \u51fd\u6570\u53ef\u4ee5\u63a5\u53d7 \u533f\u540d\u51fd\u6570 \u4f5c\u4e3a\u53c2\u6570\uff0c\u5373\u95ed\u5305\uff0c\u63d0\u4f9b\u52a8\u6001\u521b\u5efa\u548c\u4f20\u9012\u51fd\u6570\u7684\u7075\u6d3b\u6027\u3002\u5177\u4f53\u8bed\u6cd5\u5982\u4e0b\uff1a\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1afunction myFunction($callback) { \/\/ &#8230; }\u5b9a\u4e49\u533f\u540d\u51fd\u6570\uff1a$callback = function($value) { \/\/ &#8230; };\u5c06\u533f\u540d\u51fd\u6570\u4f20\u9012\u7ed9\u51fd\u6570\uff1amyFunction($callback);<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729953225671cfdc901917.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570<\/strong><\/p>\n<p>PHP \u4e2d\u7684\u533f\u540d\u51fd\u6570\uff0c\u4e5f\u79f0\u4e3a\u95ed\u5305\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\u3002\u8fd9\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u4f60\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u521b\u5efa\u548c\u4f20\u9012\u51fd\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u8981\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>function myFunction($callback)\n{\n    \/\/ ...\n}\n\n$callback = function($value) {\n    \/\/ ...\n};\n\nmyFunction($callback);<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 <code>array_map()<\/code> \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5c06\u56de\u8c03\u51fd\u6570\u5e94\u7528\u4e8e\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n<pre>$array = [1, 2, 3, 4, 5];\n\n\/\/ \u533f\u540d\u51fd\u6570\u7528\u4e8e\u5c06\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee5 2\n$multiplier = function($value) {\n    return $value * 2;\n};\n\n$newArray = array_map($multiplier, $array);<\/pre>\n<p>\u8fd0\u884c\u6b64\u4ee3\u7801\u5c06\u751f\u6210\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e58\u4ee5 2\uff1a<\/p>\n<pre>[2, 4, 6, 8, 10]<\/pre>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u533f\u540d\u51fd\u6570\u5185\u7684\u53d8\u91cf\u6355\u83b7\u4e86\u8c03\u7528\u5b83\u7684\u4f5c\u7528\u57df\u5185\u7684\u53d8\u91cf\u3002<\/li>\n<li>\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 <code>use<\/code> \u5173\u952e\u5b57\u6765\u8bbf\u95ee\u5916\u90e8\u4f5c\u7528\u57df\u4e4b\u5916\u7684\u53d8\u91cf\u3002<\/li>\n<li>\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u5177\u6709\u81ea\u5df1\u7684\u53c2\u6570\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\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f \u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f\u300aPHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570\uff1f\u300b\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01 PHP \u51fd\u6570\u53ef\u4ee5\u63a5\u53d7 \u533f\u540d\u51fd\u6570 \u4f5c\u4e3a\u53c2\u6570\uff0c\u5373\u95ed\u5305\uff0c\u63d0\u4f9b\u52a8\u6001\u521b\u5efa\u548c\u4f20\u9012\u51fd\u6570\u7684\u7075\u6d3b\u6027\u3002\u5177\u4f53\u8bed\u6cd5\u5982\u4e0b\uff1a\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1afunction myFunction($callback) { \/\/ &#8230; }\u5b9a\u4e49\u533f\u540d\u51fd\u6570\uff1a$callback = function($value) { \/\/ &#8230; };\u5c06\u533f\u540d\u51fd\u6570\u4f20\u9012\u7ed9\u51fd\u6570\uff1amyFunction($callback); PHP \u51fd\u6570\u63a5\u6536\u533f\u540d\u51fd\u6570\u53c2\u6570 PHP \u4e2d\u7684\u533f\u540d\u51fd\u6570\uff0c\u4e5f\u79f0\u4e3a\u95ed\u5305\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\u3002\u8fd9\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u4f60\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u521b\u5efa\u548c\u4f20\u9012\u51fd\u6570\u3002 \u8bed\u6cd5 \u8981\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a function myFunction($callback) { \/\/ &#8230; } $callback = function($value) { \/\/ &#8230; }; myFunction($callback); \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 array_map() \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5c06\u56de\u8c03\u51fd\u6570\u5e94\u7528\u4e8e\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a $array = [1, 2, 3, 4, 5]; \/\/ \u533f\u540d\u51fd\u6570\u7528\u4e8e\u5c06\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee5 2 $multiplier = function($value) { [&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-48061","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48061","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=48061"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48061\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}