{"id":47952,"date":"2024-12-02T11:49:16","date_gmt":"2024-12-02T03:49:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47952\/"},"modified":"2024-12-02T11:49:16","modified_gmt":"2024-12-02T03:49:16","slug":"php-%e5%87%bd%e6%95%b0%e7%9a%84%e5%87%bd%e6%95%b0%e6%8c%87%e9%92%88%e4%b8%8e%e9%97%ad%e5%8c%85%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47952\/","title":{"rendered":"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h1>\n<p>\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>PHP \u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u7684\u533a\u522b\u5728\u4e8e\uff1a\u4f5c\u7528\u57df\uff1a\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u8c03\u7528\u51fd\u6570\u3002\u533f\u540d\u6027\uff1a\u95ed\u5305\u662f\u533f\u540d\u7684\uff0c\u800c\u51fd\u6570\u6307\u9488\u59cb\u7ec8\u6307\u5411\u4e00\u4e2a\u547d\u540d\u7684\u51fd\u6570\u3002\u53ef\u53d8\u6027\uff1a\u95ed\u5305\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u4f5c\u4e3a\u503c\u4f20\u9012\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729945475671cdf8398002.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u7684\u533a\u522b<\/strong><\/p>\n<p><strong>\u6982\u5ff5<\/strong><\/p>\n<ul>\n<li><strong>\u51fd\u6570\u6307\u9488\uff1a<\/strong>\u6307\u5411\u51fd\u6570\u7684\u6307\u9488\uff0c\u4fdd\u5b58\u4e86\u51fd\u6570\u7684\u5730\u5740\u3002<\/li>\n<li><strong>\u95ed\u5305\uff1a<\/strong>\u4e00\u79cd\u533f\u540d\u51fd\u6570\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\u3002<\/li>\n<\/ul>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p><strong>\u51fd\u6570\u6307\u9488\uff1a<\/strong><\/p>\n<pre>\/\/ \u58f0\u660e\u51fd\u6570\u6307\u9488\n$function_pointer = \"function_name\";\n\n\/\/ \u8c03\u7528\u51fd\u6570\u6307\u9488\n$function_pointer();<\/pre>\n<p><strong>\u95ed\u5305\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u95ed\u5305\n$closure = function () {\n    \/\/ \u4ee3\u7801\u4f53\n};\n\n\/\/ \u8c03\u7528\u95ed\u5305\n$closure();<\/pre>\n<p><strong>\u533a\u522b<\/strong><\/p>\n<ul>\n<li><strong>\u4f5c\u7528\u57df\uff1a<\/strong>\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u8c03\u7528\u51fd\u6570\u3002<\/li>\n<li><strong>\u533f\u540d\u6027\uff1a<\/strong>\u95ed\u5305\u662f\u533f\u540d\u7684\uff0c\u800c\u51fd\u6570\u6307\u9488\u59cb\u7ec8\u6307\u5411\u4e00\u4e2a\u547d\u540d\u7684\u51fd\u6570\u3002<\/li>\n<li><strong>\u53ef\u53d8\u6027\uff1a<\/strong>\u95ed\u5305\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u4f5c\u4e3a\u503c\u4f20\u9012\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u4f7f\u7528\u51fd\u6570\u6307\u9488\u5bf9\u6bd4\u5b57\u7b26\u4e32\u957f\u5ea6\uff1a<\/strong><\/p>\n<pre>function compare_length($str1, $str2) {\n    return strlen($str1) - strlen($str2);\n}\n\n\/\/ \u521b\u5efa\u51fd\u6570\u6307\u9488\n$function_pointer = \"compare_length\";\n\n\/\/ \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\nusort($arr, $function_pointer);<\/pre>\n<p><strong>\u4f7f\u7528\u95ed\u5305\u8fc7\u6ee4\u6570\u7ec4\uff1a<\/strong><\/p>\n<pre>\/\/ \u521b\u5efa\u95ed\u5305\n$filter_closure = function ($item) {\n    return $item % 2 == 0; \/\/ \u4ec5\u4fdd\u7559\u5076\u6570\n};\n\n\/\/ \u8fc7\u6ee4\u6570\u7ec4\n$filtered_arr = array_filter($arr, $filter_closure);<\/pre>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP \u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u7684\u533a\u522b\u5728\u4e8e\uff1a\u4f5c\u7528\u57df\uff1a\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u8c03\u7528\u51fd\u6570\u3002\u533f\u540d\u6027\uff1a\u95ed\u5305\u662f\u533f\u540d\u7684\uff0c\u800c\u51fd\u6570\u6307\u9488\u59cb\u7ec8\u6307\u5411\u4e00\u4e2a\u547d\u540d\u7684\u51fd\u6570\u3002\u53ef\u53d8\u6027\uff1a\u95ed\u5305\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u4f5c\u4e3a\u503c\u4f20\u9012\u3002 PHP \u51fd\u6570\u6307\u9488\u4e0e\u95ed\u5305\u7684\u533a\u522b \u6982\u5ff5 \u51fd\u6570\u6307\u9488\uff1a\u6307\u5411\u51fd\u6570\u7684\u6307\u9488\uff0c\u4fdd\u5b58\u4e86\u51fd\u6570\u7684\u5730\u5740\u3002 \u95ed\u5305\uff1a\u4e00\u79cd\u533f\u540d\u51fd\u6570\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\u3002 \u8bed\u6cd5 \u51fd\u6570\u6307\u9488\uff1a \/\/ \u58f0\u660e\u51fd\u6570\u6307\u9488 $function_pointer = &#8220;function_name&#8221;; \/\/ \u8c03\u7528\u51fd\u6570\u6307\u9488 $function_pointer(); \u95ed\u5305\uff1a \/\/ \u521b\u5efa\u95ed\u5305 $closure = function () { \/\/ \u4ee3\u7801\u4f53 }; \/\/ \u8c03\u7528\u95ed\u5305 $closure(); \u533a\u522b \u4f5c\u7528\u57df\uff1a\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u8c03\u7528\u51fd\u6570\u3002 \u533f\u540d\u6027\uff1a\u95ed\u5305\u662f\u533f\u540d\u7684\uff0c\u800c\u51fd\u6570\u6307\u9488\u59cb\u7ec8\u6307\u5411\u4e00\u4e2a\u547d\u540d\u7684\u51fd\u6570\u3002 \u53ef\u53d8\u6027\uff1a\u95ed\u5305\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\uff0c\u800c\u51fd\u6570\u6307\u9488\u53ea\u80fd\u4f5c\u4e3a\u503c\u4f20\u9012\u3002 \u5b9e\u6218\u6848\u4f8b \u4f7f\u7528\u51fd\u6570\u6307\u9488\u5bf9\u6bd4\u5b57\u7b26\u4e32\u957f\u5ea6\uff1a function compare_length($str1, $str2) { return strlen($str1) &#8211; strlen($str2); } \/\/ \u521b\u5efa\u51fd\u6570\u6307\u9488 $function_pointer = &#8220;compare_length&#8221;; [&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-47952","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47952","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=47952"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47952\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}