{"id":48045,"date":"2024-12-02T09:53:51","date_gmt":"2024-12-02T01:53:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48045\/"},"modified":"2024-12-02T09:53:51","modified_gmt":"2024-12-02T01:53:51","slug":"php-%e5%87%bd%e6%95%b0%e7%9a%84%e5%87%bd%e6%95%b0%e6%8c%87%e9%92%88%e5%a6%82%e4%bd%95%e4%b8%8e%e7%94%a8%e6%88%b7%e8%87%aa%e5%ae%9a%e4%b9%89%e5%87%bd%e6%95%b0%e9%85%8d%e5%90%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48045\/","title":{"rendered":"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\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><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729951480671cf6f8c84ad.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u51fd\u6570\u6307\u9488\u662f\u4e00\u79cd\u6307\u5411\u51fd\u6570\u7684\u53d8\u91cf\u3002\u5b83\u53ef\u4ee5\u5206\u914d\u7ed9\u53d8\u91cf\uff0c\u7136\u540e\u50cf\u51fd\u6570\u4e00\u6837\u8c03\u7528\u3002\u8fd9\u53ef\u4ee5\u8ba9\u4f60\u521b\u5efa\u52a8\u6001\u4ee3\u7801\u5e93\uff0c\u6839\u636e\u8fd0\u884c\u65f6\u6761\u4ef6\u8c03\u7528\u4e0d\u540c\u7684\u51fd\u6570\u3002<\/p>\n<p><strong>\u51fd\u6570\u6307\u9488\u7684\u8bed\u6cd5<\/strong><\/p>\n<p>\u51fd\u6570\u6307\u9488\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>$function_pointer = function(\u53c2\u6570\u5217\u8868) { ... };<\/pre>\n<p>\u5176\u4e2d <code>$function_pointer<\/code> \u662f\u6307\u5411\u51fd\u6570\u7684\u53d8\u91cf\u3002<\/p>\n<p><strong>\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570<\/strong><\/p>\n<p>\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u662f\u4f60\u5728\u811a\u672c\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u3002\u5b83\u4eec\u6309\u7167\u4ee5\u4e0b\u8bed\u6cd5\u58f0\u660e\uff1a<\/p>\n<pre>function function_name(\u53c2\u6570\u5217\u8868) { ... }<\/pre>\n<p><strong>\u5c06\u51fd\u6570\u6307\u9488\u5206\u914d\u7ed9\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570<\/strong><\/p>\n<p>\u8981\u5c06\u51fd\u6570\u6307\u9488\u5206\u914d\u7ed9\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>$function_pointer = 'function_name';<\/pre>\n<p><strong>\u8c03\u7528\u51fd\u6570\u6307\u9488<\/strong><\/p>\n<p>\u8981\u8c03\u7528\u51fd\u6570\u6307\u9488\uff0c\u4f60\u53ef\u4ee5\u50cf\u8c03\u7528\u666e\u901a\u51fd\u6570\u4e00\u6837\u4f7f\u7528\u5b83\uff1a<\/p>\n<pre>$function_pointer(\u53c2\u6570\u5217\u8868);<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 PHP \u4e2d\u4f7f\u7528\u51fd\u6570\u6307\u9488\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n<pre>&lt;?php\n\/\/ \u5b9a\u4e49\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\nfunction add($a, $b) {\n  return $a + $b;\n}\n\n\/\/ \u5c06\u51fd\u6570\u6307\u9488\u5206\u914d\u7ed9\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\n$function_pointer = 'add';\n\n\/\/ \u4f7f\u7528\u51fd\u6570\u6307\u9488\u8c03\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\n$result = $function_pointer(10, 20);\n\necho $result; \/\/ \u8f93\u51fa 30\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>add<\/code> \u51fd\u6570\u88ab\u5206\u914d\u7ed9\u51fd\u6570\u6307\u9488 <code>$function_pointer<\/code>\u3002\u7136\u540e\u4f7f\u7528 <code>$function_pointer<\/code> \u6765\u8c03\u7528 <code>add<\/code> \u51fd\u6570\uff0c\u7ed3\u679c\u4e3a 30\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u7c73\u4e91\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\uff1f \u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528\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\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u914d\u5408\u4f7f\u7528 \u5728 PHP \u4e2d\uff0c\u51fd\u6570\u6307\u9488\u662f\u4e00\u79cd\u6307\u5411\u51fd\u6570\u7684\u53d8\u91cf\u3002\u5b83\u53ef\u4ee5\u5206\u914d\u7ed9\u53d8\u91cf\uff0c\u7136\u540e\u50cf\u51fd\u6570\u4e00\u6837\u8c03\u7528\u3002\u8fd9\u53ef\u4ee5\u8ba9\u4f60\u521b\u5efa\u52a8\u6001\u4ee3\u7801\u5e93\uff0c\u6839\u636e\u8fd0\u884c\u65f6\u6761\u4ef6\u8c03\u7528\u4e0d\u540c\u7684\u51fd\u6570\u3002 \u51fd\u6570\u6307\u9488\u7684\u8bed\u6cd5 \u51fd\u6570\u6307\u9488\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a $function_pointer = function(\u53c2\u6570\u5217\u8868) { &#8230; }; \u5176\u4e2d $function_pointer \u662f\u6307\u5411\u51fd\u6570\u7684\u53d8\u91cf\u3002 \u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570 \u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u662f\u4f60\u5728\u811a\u672c\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u3002\u5b83\u4eec\u6309\u7167\u4ee5\u4e0b\u8bed\u6cd5\u58f0\u660e\uff1a function function_name(\u53c2\u6570\u5217\u8868) { &#8230; } \u5c06\u51fd\u6570\u6307\u9488\u5206\u914d\u7ed9\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570 \u8981\u5c06\u51fd\u6570\u6307\u9488\u5206\u914d\u7ed9\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a $function_pointer = &#8216;function_name&#8217;; \u8c03\u7528\u51fd\u6570\u6307\u9488 \u8981\u8c03\u7528\u51fd\u6570\u6307\u9488\uff0c\u4f60\u53ef\u4ee5\u50cf\u8c03\u7528\u666e\u901a\u51fd\u6570\u4e00\u6837\u4f7f\u7528\u5b83\uff1a $function_pointer(\u53c2\u6570\u5217\u8868); \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u662f\u5982\u4f55\u5728 PHP \u4e2d\u4f7f\u7528\u51fd\u6570\u6307\u9488\u4e0e\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570\u7684\u5b9e\u6218\u6848\u4f8b\uff1a &lt;?php \/\/ \u5b9a\u4e49\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570 function add($a, $b) { return $a + $b; } \/\/ \u5c06\u51fd\u6570\u6307\u9488\u5206\u914d\u7ed9\u7528\u6237\u81ea\u5b9a\u4e49\u51fd\u6570 $function_pointer = [&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-48045","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48045","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=48045"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48045\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}