{"id":46885,"date":"2024-12-02T08:12:44","date_gmt":"2024-12-02T00:12:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46885\/"},"modified":"2024-12-02T08:12:44","modified_gmt":"2024-12-02T00:12:44","slug":"php-%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%bb%91%e5%ae%9a%e5%9c%a8%e4%b8%8d%e5%90%8c%e7%89%88%e6%9c%ac%e4%b8%ad%e7%9a%84%e6%bc%94%e8%bf%9b%e5%92%8c%e6%9b%b4%e6%96%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46885\/","title":{"rendered":"PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u7684\u6f14\u8fdb\u548c\u66f4\u65b0\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u7684\u6f14\u8fdb\u548c\u66f4\u65b0\uff1f<\/h1>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u7684\u6f14\u8fdb\u548c\u66f4\u65b0\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u6f14\u5316<\/strong><\/p>\n

\u53c2\u6570\u7ed1\u5b9a\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5c06\u53d8\u91cf\u5206\u914d\u7ed9\u51fd\u6570\u7684\u53c2\u6570\uff0c\u4ece\u800c\u907f\u514d\u76f4\u63a5\u4f20\u5165\u53d8\u91cf\u503c\u3002\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5df2\u7ecf\u7ecf\u5386\u4e86\u591a\u6b21\u6f14\u5316\u548c\u66f4\u65b0\u3002<\/p>\n

PHP 4<\/strong><\/p>\n

\u5728 PHP 4 \u4e2d\u5f15\u5165\u4e86\u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u3002\u5b83\u4f7f\u7528 bind<\/code> \u51fd\u6570\u5c06\u53d8\u91cf\u7ed1\u5b9a\u5230\u53c2\u6570\uff1a<\/p>\n

function myFunction(int $arg1, string $arg2) {}\n\n$arg1 = 123;\n$arg2 = 'Hello World';\n\nbind('myFunction', $arg1, $arg2);<\/pre>\n
PHP 5<\/strong><\/p>\n
PHP 5 \u4e2d\u5f15\u5165\u4e86\u7b80\u5316\u8bed\u6cd5\uff1a<\/p>\n
myFunction(123, 'Hello World');<\/pre>\n
\u6b64\u5916\uff0cPHP 5 \u63d0\u4f9b\u4e86\u4e00\u79cd\u901a\u8fc7 func_get_args<\/code> \u83b7\u53d6\u6240\u6709\u53c2\u6570\u503c\u7684\u673a\u5236\u3002<\/p>\n
PHP 7<\/strong><\/p>\n
PHP 7 \u8fdb\u884c\u4e86\u91cd\u5927\u6539\u8fdb\uff0c\u5f15\u5165\u4e86\u533f\u540d\u51fd\u6570\u548c\u53ef\u53d8\u53c2\u6570\uff1a<\/p>\n
\u533f\u540d\u51fd\u6570<\/strong><\/p>\n
\u533f\u540d\u51fd\u6570\u53ef\u4ee5\u7528\u4f5c\u53c2\u6570\uff1a<\/p>\n
$fn = function(int $arg1, string $arg2) {};\nmyFunction($fn, 123, 'Hello World');<\/pre>\n
\u53ef\u53d8\u53c2\u6570<\/strong><\/p>\n
\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff1a<\/p>\n
function myFunction(...$args) {}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b\uff1a\u52a8\u6001\u51fd\u6570\u8c03\u7528<\/strong><\/p>\n
\u53c2\u6570\u7ed1\u5b9a\u53ef\u4ee5\u7528\u4e8e\u6839\u636e\u7528\u6237\u8f93\u5165\u52a8\u6001\u8c03\u7528\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\uff0c\u6839\u636e\u7ed9\u5b9a\u7684\u51fd\u6570\u540d\u52a8\u6001\u8c03\u7528\u8be5\u51fd\u6570\uff1a<\/p>\n
function callDynamicFunction($functionName, ...$args) {\n  if (function_exists($functionName)) {\n    return call_user_func_array($functionName, $args);\n  }\n  \n  throw new Exception('Function not found: ' . $functionName);\n}\n\n$functionName = 'myFunction';\necho callDynamicFunction($functionName, 123, 'Hello World');<\/pre>\n
\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":"
PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u7684\u6f14\u8fdb\u548c\u66f4\u65b0\uff1f \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u7684\u6f14\u8fdb\u548c\u66f4\u65b0\uff1f\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u6f14\u5316 \u53c2\u6570\u7ed1\u5b9a\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5c06\u53d8\u91cf\u5206\u914d\u7ed9\u51fd\u6570\u7684\u53c2\u6570\uff0c\u4ece\u800c\u907f\u514d\u76f4\u63a5\u4f20\u5165\u53d8\u91cf\u503c\u3002\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5df2\u7ecf\u7ecf\u5386\u4e86\u591a\u6b21\u6f14\u5316\u548c\u66f4\u65b0\u3002 PHP 4 \u5728 PHP 4 \u4e2d\u5f15\u5165\u4e86\u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u3002\u5b83\u4f7f\u7528 bind \u51fd\u6570\u5c06\u53d8\u91cf\u7ed1\u5b9a\u5230\u53c2\u6570\uff1a function myFunction(int $arg1, string $arg2) {} $arg1 = 123; $arg2 = ‘Hello World’; bind(‘myFunction’, $arg1, $arg2); PHP 5 PHP 5 \u4e2d\u5f15\u5165\u4e86\u7b80\u5316\u8bed\u6cd5\uff1a myFunction(123, ‘Hello World’); \u6b64\u5916\uff0cPHP 5 \u63d0\u4f9b\u4e86\u4e00\u79cd\u901a\u8fc7 func_get_args \u83b7\u53d6\u6240\u6709\u53c2\u6570\u503c\u7684\u673a\u5236\u3002 PHP 7 PHP 7 \u8fdb\u884c\u4e86\u91cd\u5927\u6539\u8fdb\uff0c\u5f15\u5165\u4e86\u533f\u540d\u51fd\u6570\u548c\u53ef\u53d8\u53c2\u6570\uff1a \u533f\u540d\u51fd\u6570 \u533f\u540d\u51fd\u6570\u53ef\u4ee5\u7528\u4f5c\u53c2\u6570\uff1a $fn = […]<\/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-46885","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46885","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=46885"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46885\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}