{"id":47581,"date":"2024-12-02T11:42:26","date_gmt":"2024-12-02T03:42:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47581\/"},"modified":"2024-12-02T11:42:26","modified_gmt":"2024-12-02T03:42:26","slug":"php-%e9%97%ad%e5%8c%85%e5%8e%9f%e7%90%86%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47581\/","title":{"rendered":"php \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76<\/h1>\n<p>\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aphp \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729924288671c8cc087c99.jpg\" class=\"aligncenter\" title=\"php \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76\u63d2\u56fe\" alt=\"php \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76<\/h2>\n<p><strong>\u4ec0\u4e48\u662f\u95ed\u5305\uff1f<\/strong><\/p>\n<p>\u95ed\u5305\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u8bbf\u95ee\u5176\u521b\u5efa\u65f6\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u5373\u4f7f\u8fd9\u4e9b\u53d8\u91cf\u5728\u51fd\u6570\u5916\u90e8\u5df2\u7ecf\u4e0d\u518d\u53ef\u7528\u3002<\/p>\n<p><strong>\u95ed\u5305\u7684\u539f\u7406<\/strong><\/p>\n<p>PHP \u4e2d\u7684\u95ed\u5305\u662f\u901a\u8fc7\u4f7f\u7528 <code>function<\/code> \u5173\u952e\u5b57\u548c <code>use<\/code> \u8bed\u53e5\u5b9e\u73b0\u7684\u3002<code>use<\/code> \u8bed\u53e5\u7528\u4e8e\u6307\u5b9a\u95ed\u5305\u9700\u8981\u8bbf\u95ee\u7684\u5916\u90e8\u53d8\u91cf\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>$var = '\u5916\u90e8\u53d8\u91cf';\n\n$closure = function () use ($var) {\n    \/\/ \u95ed\u5305\u5185\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf\n};<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p><strong>\u8ba1\u7b97\u9636\u4e58\uff1a<\/strong><\/p>\n<pre>$factorial = function (int $n) use (&amp;$result) {\n    if ($n &lt;= 1) {\n        return 1;\n    }\n\n    return $n * $factorial($n - 1);\n};\n\n$result = 1;\necho $factorial(5); \/\/ \u8f93\u51fa\uff1a120<\/pre>\n<p><strong>\u4f20\u9012\u591a\u4e2a\u53c2\u6570\uff1a<\/strong><\/p>\n<pre>$sum = function ($x, $y) {\n    return $x + $y;\n};\n\necho $sum(3, 5); \/\/ \u8f93\u51fa\uff1a8<\/pre>\n<p><strong>\u95ed\u5305\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570\uff1a<\/strong><\/p>\n<pre>$array = [1, 2, 3, 4, 5];\n\n\/\/ \u4f7f\u7528\u95ed\u5305\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\nusort($array, function ($a, $b) {\n    return $a - $b;\n});\n\nprint_r($array); \/\/ \u8f93\u51fa\uff1a\u6392\u5e8f\u540e\u7684\u6570\u7ec4<\/pre>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u88ab\u521b\u5efa\u65f6\u7684\u6240\u6709\u5916\u90e8\u53d8\u91cf\uff0c\u56e0\u6b64\u8981\u6ce8\u610f\u907f\u514d\u610f\u5916\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u3002<\/li>\n<li>\u95ed\u5305\u4f1a\u6355\u83b7\u5916\u90e8\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u6240\u4ee5\u5728\u95ed\u5305\u4e2d\u4fee\u6539\u5916\u90e8\u53d8\u91cf\u53ef\u80fd\u4f1a\u5728\u5916\u90e8\u4ea7\u751f\u526f\u4f5c\u7528\u3002<\/li>\n<li>\u5982\u679c\u95ed\u5305\u8bbf\u95ee\u7684\u5916\u90e8\u53d8\u91cf\u5728\u95ed\u5305\u521b\u5efa\u540e\u88ab\u4fee\u6539\u6216\u9500\u6bc1\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u6216\u610f\u5916\u7684\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aphp \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76 \u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aphp \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76\u300b\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~ PHP \u95ed\u5305\u539f\u7406\u6df1\u5165\u63a2\u7a76 \u4ec0\u4e48\u662f\u95ed\u5305\uff1f \u95ed\u5305\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u8bbf\u95ee\u5176\u521b\u5efa\u65f6\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u5373\u4f7f\u8fd9\u4e9b\u53d8\u91cf\u5728\u51fd\u6570\u5916\u90e8\u5df2\u7ecf\u4e0d\u518d\u53ef\u7528\u3002 \u95ed\u5305\u7684\u539f\u7406 PHP \u4e2d\u7684\u95ed\u5305\u662f\u901a\u8fc7\u4f7f\u7528 function \u5173\u952e\u5b57\u548c use \u8bed\u53e5\u5b9e\u73b0\u7684\u3002use \u8bed\u53e5\u7528\u4e8e\u6307\u5b9a\u95ed\u5305\u9700\u8981\u8bbf\u95ee\u7684\u5916\u90e8\u53d8\u91cf\u3002 \u8bed\u6cd5\uff1a $var = &#8216;\u5916\u90e8\u53d8\u91cf&#8217;; $closure = function () use ($var) { \/\/ \u95ed\u5305\u5185\u8bbf\u95ee\u5916\u90e8\u53d8\u91cf }; \u5b9e\u6218\u6848\u4f8b\uff1a \u8ba1\u7b97\u9636\u4e58\uff1a $factorial = function (int $n) use (&amp;$result) { if ($n &lt;= 1) { return 1; } return $n * $factorial($n &#8211; 1); }; [&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-47581","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47581","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=47581"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47581\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}