{"id":48278,"date":"2024-12-02T16:50:18","date_gmt":"2024-12-02T08:50:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48278\/"},"modified":"2024-12-02T16:50:18","modified_gmt":"2024-12-02T08:50:18","slug":"php-%e9%97%ad%e5%8c%85%e8%a1%a8%e8%be%be%e5%bc%8f%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48278\/","title":{"rendered":"php \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3"},"content":{"rendered":"

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

php \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3<\/h1>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7c73\u4e91\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aphp \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3\u300b<\/span>\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

\"php<\/p>\n

PHP \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3<\/strong><\/p>\n

\u95ed\u5305\u7b80\u4ecb<\/strong>
\u95ed\u5305\u662f\u4e00\u79cd\u533f\u540d\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u8bbf\u95ee\u521b\u5efa\u5b83\u7684\u51fd\u6570\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\u3002\u8fd9\u79cd\u7279\u6b8a\u7684\u7279\u6027\u4f7f\u5176\u5728 PHP \u4e2d\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u5c06\u529f\u80fd\u5c01\u88c5\u5230\u4e00\u4e2a\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\u7684\u72ec\u7acb\u5355\u5143\u4e2d\u3002<\/p>\n

\u95ed\u5305\u8bed\u6cd5<\/strong><\/p>\n

\u521b\u5efa\u95ed\u5305\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

$closure = function ($arg1, $arg2, ..., $argN) {\n    \/\/ \u95ed\u5305\u4f53\n};<\/pre>\n
    \n
  • $closure<\/code>\uff1a\u95ed\u5305\u53d8\u91cf\u7684\u540d\u79f0\u3002<\/li>\n
  • function<\/code>\uff1a\u6807\u8bc6\u95ed\u5305\u5f00\u59cb\u7684\u5173\u952e\u5b57\u3002<\/li>\n
  • $arg1<\/code>, $arg2<\/code>, …, $argN<\/code>\uff1a\u95ed\u5305\u7684\u53c2\u6570\uff08\u5982\u679c\u6709\uff09\u3002<\/li>\n
  • \u95ed\u5305\u4f53<\/code>\uff1a\u95ed\u5305\u6267\u884c\u7684\u4ee3\u7801\u5757\u3002<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b\uff1a\u4f20\u9012\u95ed\u5305\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570<\/strong><\/p>\n
    \u95ed\u5305\u7ecf\u5e38\u7528\u4f5c\u56de\u8c03\u51fd\u6570\uff0c\u5373\u5728\u51fd\u6570\u8c03\u7528\u5b8c\u6210\u540e\u6267\u884c\u7684\u5176\u4ed6\u51fd\u6570\u3002\u4f8b\u5982\uff0carray_filter()<\/code> \u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570\uff0c\u8be5\u95ed\u5305\u5c06\u51b3\u5b9a\u662f\u5426\u4fdd\u7559\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n
    $numbers = [1, 2, 3, 4, 5, 6, 7];\n\n$filteredNumbers = array_filter($numbers, function($number) {\n    return $number % 2 === 0;\n}); \/\/ [2, 4, 6]<\/pre>\n
    \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u95ed\u5305\u4ee5\u533f\u540d\u51fd\u6570\u7684\u5f62\u5f0f\u4f20\u9012\u7ed9 array_filter()<\/code>\uff0c\u63a5\u6536\u4e00\u4e2a\u6570\u5b57\u53c2\u6570\u5e76\u8fd4\u56de true<\/code>\uff08\u8868\u793a\u5e94\u8be5\u4fdd\u7559\u8be5\u6570\u5b57\uff09\u6216 false<\/code>\uff08\u8868\u793a\u5e94\u8be5\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u8be5\u6570\u5b57\uff09\u3002<\/p>\n
    \u95ed\u5305\u53d8\u91cf\u7684\u4f5c\u7528\u57df<\/strong><\/p>\n
    \u95ed\u5305\u53ef\u4ee5\u8bbf\u95ee\u521b\u5efa\u5b83\u4eec\u7684\u51fd\u6570\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\u3002\u8fd9\u610f\u5473\u7740\u95ed\u5305\u53ef\u4ee5\u5728\u521b\u5efa\u5b83\u4eec\u7684\u51fd\u6570\u4e2d\u5bf9\u53d8\u91cf\u8fdb\u884c\u8bfb\u5199\uff1a<\/p>\n
    function counter() {\n    $count = 0;\n    return function() use ($count) {\n        $count++;\n        return $count;\n    };\n}\n\n$increment = counter();\necho $increment(); \/\/ 1\necho $increment(); \/\/ 2<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u95ed\u5305 $increment<\/code> \u8bbf\u95ee\u5e76\u9012\u589e $count<\/code> \u53d8\u91cf\uff0c\u5373\u4f7f\u5b83\u662f\u5728\u51fd\u6570 counter()<\/code> \u4e4b\u5916\u8c03\u7528\u7684\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aphp \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3\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":"
    php \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3 \u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u7c73\u4e91\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aphp \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3\u300b\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01 PHP \u95ed\u5305\u8868\u8fbe\u5f0f\u8be6\u89e3 \u95ed\u5305\u7b80\u4ecb\u95ed\u5305\u662f\u4e00\u79cd\u533f\u540d\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u8bbf\u95ee\u521b\u5efa\u5b83\u7684\u51fd\u6570\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\u3002\u8fd9\u79cd\u7279\u6b8a\u7684\u7279\u6027\u4f7f\u5176\u5728 PHP \u4e2d\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u5c06\u529f\u80fd\u5c01\u88c5\u5230\u4e00\u4e2a\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u4f20\u9012\u7684\u72ec\u7acb\u5355\u5143\u4e2d\u3002 \u95ed\u5305\u8bed\u6cd5 \u521b\u5efa\u95ed\u5305\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a $closure = function ($arg1, $arg2, …, $argN) { \/\/ \u95ed\u5305\u4f53 }; $closure\uff1a\u95ed\u5305\u53d8\u91cf\u7684\u540d\u79f0\u3002 function\uff1a\u6807\u8bc6\u95ed\u5305\u5f00\u59cb\u7684\u5173\u952e\u5b57\u3002 $arg1, $arg2, …, $argN\uff1a\u95ed\u5305\u7684\u53c2\u6570\uff08\u5982\u679c\u6709\uff09\u3002 \u95ed\u5305\u4f53\uff1a\u95ed\u5305\u6267\u884c\u7684\u4ee3\u7801\u5757\u3002 \u5b9e\u6218\u6848\u4f8b\uff1a\u4f20\u9012\u95ed\u5305\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570 \u95ed\u5305\u7ecf\u5e38\u7528\u4f5c\u56de\u8c03\u51fd\u6570\uff0c\u5373\u5728\u51fd\u6570\u8c03\u7528\u5b8c\u6210\u540e\u6267\u884c\u7684\u5176\u4ed6\u51fd\u6570\u3002\u4f8b\u5982\uff0carray_filter() \u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a\u56de\u8c03\u51fd\u6570\uff0c\u8be5\u95ed\u5305\u5c06\u51b3\u5b9a\u662f\u5426\u4fdd\u7559\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a $numbers = [1, 2, 3, 4, 5, 6, 7]; $filteredNumbers = array_filter($numbers, function($number) { return $number % 2 === 0; }); \/\/ […]<\/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-48278","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48278","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=48278"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48278\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}