{"id":48324,"date":"2024-12-02T15:06:57","date_gmt":"2024-12-02T07:06:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48324\/"},"modified":"2024-12-02T15:06:57","modified_gmt":"2024-12-02T07:06:57","slug":"php-%e5%87%bd%e6%95%b0%e5%8c%bf%e5%90%8d%e5%91%bd%e5%90%8d%e7%9a%84%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48324\/","title":{"rendered":"PHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7"},"content":{"rendered":"

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

PHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7<\/h1>\n

\u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aPHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

PHP \u4e2d\u533f\u540d\u51fd\u6570\u5141\u8bb8\u5728\u6ca1\u6709\u540d\u79f0\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u51fd\u6570\u8868\u8fbe\u5f0f\u6216\u95ed\u5305\u3002\u6b64\u7c7b\u51fd\u6570\u7684\u8bed\u6cd5\u4e3a\uff1afunction ($argument1, $argument2, …, $argumentN) { \/\/ \u51fd\u6570\u4f53}\u3002\u533f\u540d\u51fd\u6570\u53ef\u7528\u4e8e\u4f5c\u4e3a\u56de\u8c03\u3001\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\uff08\u5982 usort()\uff09\u4f5c\u4e3a\u6bd4\u8f83\u51fd\u6570\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u7b80\u6d01\u6027\u3001\u7075\u6d3b\u6027\u3001\u53ef\u9760\u6027\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u662f\u51fd\u6570\u8868\u8fbe\u5f0f\u6216\u95ed\u5305\u7684\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\uff0c\u5b83\u6ca1\u6709\u4efb\u4f55\u540d\u79f0\u3002\u8fd9\u5728\u9700\u8981\u521b\u5efa\u4e00\u6b21\u6027\u51fd\u6570\u6216\u5c06\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n

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

\u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

function ($argument1, $argument2, ..., $argumentN) {\n    \/\/ \u51fd\u6570\u4f53\n}<\/pre>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • \u5173\u952e\u8bcd function<\/code> \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u3002<\/li>\n
  • \u5706\u62ec\u53f7\u5305\u542b\u51fd\u6570\u53c2\u6570\uff08\u53ef\u9009\uff09\u3002<\/li>\n
  • \u82b1\u62ec\u53f7\u5305\u542b\u51fd\u6570\u4f53\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5b50<\/strong><\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u521b\u5efa\u533f\u540d\u51fd\u6570\u7684\u793a\u4f8b\uff0c\u8be5\u51fd\u6570\u5c06\u4e24\u4e2a\u6570\u5b57\u76f8\u52a0\uff1a<\/p>\n
    $sum = function($a, $b) {\n    return $a + $b;\n};<\/pre>\n
    \u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 $sum<\/code> \u53d8\u91cf\u6765\u8c03\u7528\u533f\u540d\u51fd\u6570\uff1a<\/p>\n
    echo $sum(10, 20); \/\/ \u8f93\u51fa 30<\/pre>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
      \n
    • \u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u56de\u8c03\uff1a<\/strong> \u533f\u540d\u51fd\u6570\u53ef\u7528\u4e8e\u4f5c\u4e3a\u6570\u7ec4\u51fd\u6570\u7684\u56de\u8c03\uff0c\u4f8b\u5982 filter()<\/code>, map()<\/code>, reduce()<\/code> \u7b49\u3002<\/li>\n<\/ul>\n
      \u4f8b\u5982\uff1a\u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u52a0 2\u3002<\/p>\n
      $numbers = [1, 2, 3, 4, 5];\n\n$result = array_map(function($n) {\n    return $n + 2;\n}, $numbers);\n\nprint_r($result); \/\/ \u8f93\u51fa [3, 4, 5, 6, 7]<\/pre>\n
        \n
      •  \u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\uff1a<\/strong> \u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f5c\u4e3a\u51fd\u6570\u7684\u53c2\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u3002<\/li>\n<\/ul>\n
        \u4f8b\u5982\uff1a\u5c06\u6392\u5e8f\u51fd\u6570\u4f5c\u4e3a\u6bd4\u8f83\u51fd\u6570\u4f20\u9012\u7ed9 usort()<\/code>\u3002<\/p>\n
        function compare($a, $b) {\n    return strcmp($a[\"name\"], $b[\"name\"]);\n}\n\n$persons = [\n    [\"name\" => \"John\"],\n    [\"name\" => \"Jane\"],\n    [\"name\" => \"Alice\"],\n];\n\nusort($persons, function($a, $b) {\n    return strcmp($a[\"name\"], $b[\"name\"]);\n});\n\nprint_r($persons); \/\/ \u6309\u5b57\u6bcd\u987a\u5e8f\u8f93\u51fa\u4eba\u5458\u5217\u8868<\/pre>\n
        \u4f18\u70b9<\/strong><\/p>\n
          \n
        • \u7b80\u6d01\u6027\uff1a<\/strong> \u7701\u53bb\u4e86\u4e3a\u51fd\u6570\u6307\u5b9a\u540d\u79f0\u7684\u9700\u8981\u3002<\/li>\n
        • \u7075\u6d3b\uff1a<\/strong> \u53ef\u8f7b\u677e\u521b\u5efa\u4e00\u6b21\u6027\u51fd\u6570\uff0c\u5e76\u5728\u9700\u8981\u65f6\u52a8\u6001\u5730\u6307\u5b9a\u884c\u4e3a\u3002<\/li>\n
        • \u53ef\u6269\u5c55\uff1a<\/strong> \u533f\u540d\u51fd\u6570\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u3002<\/li>\n<\/ul>\n
          \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          PHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7 \u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u7c73\u4e91\u5c31\u6574\u7406\u5206\u4eab\u300aPHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002 PHP \u4e2d\u533f\u540d\u51fd\u6570\u5141\u8bb8\u5728\u6ca1\u6709\u540d\u79f0\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u51fd\u6570\u8868\u8fbe\u5f0f\u6216\u95ed\u5305\u3002\u6b64\u7c7b\u51fd\u6570\u7684\u8bed\u6cd5\u4e3a\uff1afunction ($argument1, $argument2, …, $argumentN) { \/\/ \u51fd\u6570\u4f53}\u3002\u533f\u540d\u51fd\u6570\u53ef\u7528\u4e8e\u4f5c\u4e3a\u56de\u8c03\u3001\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\uff08\u5982 usort()\uff09\u4f5c\u4e3a\u6bd4\u8f83\u51fd\u6570\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u7b80\u6d01\u6027\u3001\u7075\u6d3b\u6027\u3001\u53ef\u9760\u6027\u3002 PHP \u51fd\u6570\u533f\u540d\u547d\u540d\u7684\u6280\u5de7 \u5728 PHP \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u662f\u51fd\u6570\u8868\u8fbe\u5f0f\u6216\u95ed\u5305\u7684\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\uff0c\u5b83\u6ca1\u6709\u4efb\u4f55\u540d\u79f0\u3002\u8fd9\u5728\u9700\u8981\u521b\u5efa\u4e00\u6b21\u6027\u51fd\u6570\u6216\u5c06\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570\u65f6\u975e\u5e38\u6709\u7528\u3002 \u8bed\u6cd5 \u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a function ($argument1, $argument2, …, $argumentN) { \/\/ \u51fd\u6570\u4f53 } \u5176\u4e2d\uff1a \u5173\u952e\u8bcd function \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u3002 \u5706\u62ec\u53f7\u5305\u542b\u51fd\u6570\u53c2\u6570\uff08\u53ef\u9009\uff09\u3002 \u82b1\u62ec\u53f7\u5305\u542b\u51fd\u6570\u4f53\u3002 \u4f8b\u5b50 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u521b\u5efa\u533f\u540d\u51fd\u6570\u7684\u793a\u4f8b\uff0c\u8be5\u51fd\u6570\u5c06\u4e24\u4e2a\u6570\u5b57\u76f8\u52a0\uff1a $sum = function($a, $b) { return $a + $b; }; \u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528 $sum \u53d8\u91cf\u6765\u8c03\u7528\u533f\u540d\u51fd\u6570\uff1a echo $sum(10, 20); \/\/ […]<\/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-48324","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48324","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=48324"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48324\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}