{"id":48536,"date":"2024-12-02T17:26:26","date_gmt":"2024-12-02T09:26:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48536\/"},"modified":"2024-12-02T17:26:26","modified_gmt":"2024-12-02T09:26:26","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%e7%94%a8%e4%ba%8e%e5%9b%9e%e8%b0%83%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48536\/","title":{"rendered":"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f<\/h1>\n<p>\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p>PHP\u51fd\u6570\u6307\u9488\u7528\u4e8e\u56de\u8c03\uff0c\u53d8\u91cf\u6307\u5411\u51fd\u6570\uff0c\u53ef\u5c06\u5176\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002\u6b65\u9aa4\uff1a1.\u58f0\u660e\u51fd\u6570\u6307\u9488\u30022.\u5c06\u51fd\u6570\u6307\u9488\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\u3002\u6b64\u529f\u80fd\u53ef\u7528\u4e8e\u6392\u5e8f\u6570\u7ec4\uff0c\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\u7684\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730075504671edb70edfbb.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u6307\u9488\u7528\u4e8e\u56de\u8c03<\/strong><\/p>\n<p>PHP \u51fd\u6570\u6307\u9488\u662f\u4e00\u79cd\u53d8\u91cf\uff0c\u5b83\u6307\u5411\u4e00\u4e2a\u51fd\u6570\u3002\u53ef\u4ee5\u4f7f\u7528\u56de\u8c03\u5c06\u51fd\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<p><strong>\u7528\u6cd5\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p>\u58f0\u660e\u4e00\u4e2a\u51fd\u6570\u6307\u9488\uff1a<\/p>\n<pre>$funcPtr = function ($arg1, $arg2) {\n    \/\/ \u51fd\u6570\u4f53\n};<\/pre>\n<\/li>\n<li>\n<p>\u5c06\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u56de\u8c03\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\uff1a<\/p>\n<pre>$callbackFunction($funcPtr);<\/pre>\n<\/li>\n<\/ol>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u6392\u5e8f\u6570\u7ec4<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>usort()<\/code> \u51fd\u6570\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\u3002<\/p>\n<pre>&lt;?php\nfunction compare($a, $b) {\n    return $a - $b;\n}\n\n$arr = [4, 1, 5, 2, 3];\n\nusort($arr, 'compare');\n\nprint_r($arr); \/\/ \u8f93\u51fa\uff1a [1, 2, 3, 4, 5]\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>compare()<\/code> \u51fd\u6570\u662f\u4e00\u4e2a\u56de\u8c03\uff0c\u5b83\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\u5e76\u8fd4\u56de\u4ed6\u4eec\u7684\u5dee\u503c\u3002<code>usort()<\/code> \u51fd\u6570\u4f7f\u7528\u6b64\u56de\u8c03\u6765\u6bd4\u8f83\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e76\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f \u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u5982\u4f55\u7528\u4e8e\u56de\u8c03\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP\u51fd\u6570\u6307\u9488\u7528\u4e8e\u56de\u8c03\uff0c\u53d8\u91cf\u6307\u5411\u51fd\u6570\uff0c\u53ef\u5c06\u5176\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002\u6b65\u9aa4\uff1a1.\u58f0\u660e\u51fd\u6570\u6307\u9488\u30022.\u5c06\u51fd\u6570\u6307\u9488\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\u3002\u6b64\u529f\u80fd\u53ef\u7528\u4e8e\u6392\u5e8f\u6570\u7ec4\uff0c\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\u7684\u56de\u8c03\u51fd\u6570\u3002 PHP \u51fd\u6570\u6307\u9488\u7528\u4e8e\u56de\u8c03 PHP \u51fd\u6570\u6307\u9488\u662f\u4e00\u79cd\u53d8\u91cf\uff0c\u5b83\u6307\u5411\u4e00\u4e2a\u51fd\u6570\u3002\u53ef\u4ee5\u4f7f\u7528\u56de\u8c03\u5c06\u51fd\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002 \u7528\u6cd5\uff1a \u58f0\u660e\u4e00\u4e2a\u51fd\u6570\u6307\u9488\uff1a $funcPtr = function ($arg1, $arg2) { \/\/ \u51fd\u6570\u4f53 }; \u5c06\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u56de\u8c03\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\uff1a $callbackFunction($funcPtr); \u5b9e\u6218\u6848\u4f8b\uff1a \u6392\u5e8f\u6570\u7ec4 \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 usort() \u51fd\u6570\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\u3002 &lt;?php function compare($a, $b) { return $a &#8211; $b; } $arr = [4, 1, 5, 2, 3]; usort($arr, &#8216;compare&#8217;); print_r($arr); \/\/ \u8f93\u51fa\uff1a [1, 2, 3, 4, 5] ?&gt; [&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-48536","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48536","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=48536"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48536\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}