{"id":47519,"date":"2024-12-02T09:24:15","date_gmt":"2024-12-02T01:24:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47519\/"},"modified":"2024-12-02T09:24:15","modified_gmt":"2024-12-02T01:24:15","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%8f%af%e4%bb%a5%e4%bd%bf%e7%94%a8%e4%bb%80%e4%b9%88%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47519\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u53d8\u91cf\u7c7b\u578b\uff1f"},"content":{"rendered":"

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

PHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u53d8\u91cf\u7c7b\u578b\uff1f<\/h1>\n

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300aPHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u53d8\u91cf\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span><\/span>\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0<\/span>\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n

PHP \u51fd\u6570\u4e2d\u53ef\u7528\u7684\u53d8\u91cf\u7c7b\u578b\u5305\u62ec\uff1a\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u3001\u8d44\u6e90\u548c\u7a7a\u503c\uff1b\u8fd9\u4e9b\u7c7b\u578b\u4f7f\u60a8\u80fd\u591f\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5904\u7406\u8fd0\u7b97\u5e76\u8fd4\u56de\u9002\u5f53\u7684\u503c\uff0c\u4ece\u800c\u589e\u5f3a\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u4e2d\u53ef\u7528\u7684\u53d8\u91cf\u7c7b\u578b<\/h2>\n

\u5728 PHP \u51fd\u6570\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u53d8\u91cf\u7c7b\u578b\u6765\u5b58\u50a8\u548c\u5904\u7406\u6570\u636e\u3002\u4ee5\u4e0b\u662f PHP \u51fd\u6570\u4e2d\u53ef\u7528\u4e8e\u4e0d\u540c\u76ee\u7684\u7684\u53d8\u91cf\u7c7b\u578b\uff1a<\/p>\n

\u6807\u91cf\u7c7b\u578b<\/h3>\n
    \n
  • \u6574\u6570 (int)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u6574\u6570\u503c\u3002<\/li>\n
  • \u6d6e\u70b9\u6570 (float)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u5c0f\u6570\u503c\u3002<\/li>\n
  • \u5b57\u7b26\u4e32 (string)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u6587\u672c\u6570\u636e\u3002<\/li>\n
  • \u5e03\u5c14\u503c (bool)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u771f\/\u5047\u503c\u3002<\/li>\n<\/ul>\n

    \u590d\u5408\u7c7b\u578b<\/h3>\n
      \n
    • \u6570\u7ec4 (array)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u6709\u5e8f\u503c\u7684\u96c6\u5408\u3002\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
    • \u5bf9\u8c61 (object)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u5b9e\u4f8b\u3002\u5bf9\u8c61\u5305\u542b\u81ea\u5df1\u7684\u6570\u636e\u548c\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n

      \u7279\u6b8a\u7c7b\u578b<\/h3>\n
        \n
      • \u8d44\u6e90 (resource)<\/strong>\uff1a\u8fd9\u4e9b\u7c7b\u578b\u4ee3\u8868\u8bf8\u5982\u6587\u4ef6\u53e5\u67c4\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u5916\u90e8\u8d44\u6e90\u3002<\/li>\n
      • NULL<\/strong>\uff1a\u6b64\u7c7b\u578b\u8868\u793a\u672a\u5206\u914d\u7684\u503c\u3002<\/li>\n<\/ul>\n

        \u5b9e\u6218\u6848\u4f8b<\/h3>\n

        \u8003\u8651\u4ee5\u4e0b PHP \u51fd\u6570\uff0c\u5b83\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u603b\u548c\uff1a<\/p>\n

        function sumNumbers(int $num1, int $num2): int\n{\n    return $num1 + $num2;\n}<\/pre>\n
        \u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff1a<\/p>\n
          \n
        • $num1<\/code> \u548c $num2<\/code> \u662f\u6574\u6570\u7c7b\u578b\u7684\u53c2\u6570\u3002<\/li>\n
        • int<\/code> \u6307\u5b9a\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u7c7b\u578b\u7684\u503c\u3002<\/li>\n
        • \u51fd\u6570\u4f53\u5185\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u603b\u548c\u3002<\/li>\n<\/ul>\n
          \u7ed3\u8bba<\/h3>\n
          \u901a\u8fc7\u4e86\u89e3 PHP \u51fd\u6570\u4e2d\u53ef\u7528\u7684\u53d8\u91cf\u7c7b\u578b\uff0c\u60a8\u53ef\u4ee5\u7f16\u5199\u66f4\u7075\u6d3b\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801\u3002\u8fd9\u4f7f\u60a8\u53ef\u4ee5\u5c06\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u5b58\u50a8\u548c\u5904\u7406\u4e3a\u4e00\u4e2a\u51fd\u6570\u7684\u4e00\u90e8\u5206\uff0c\u4ece\u800c\u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b\u3002<\/p>\n
          \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          PHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u53d8\u91cf\u7c7b\u578b\uff1f \u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\u300aPHP \u51fd\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01 PHP \u51fd\u6570\u4e2d\u53ef\u7528\u7684\u53d8\u91cf\u7c7b\u578b\u5305\u62ec\uff1a\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u3001\u8d44\u6e90\u548c\u7a7a\u503c\uff1b\u8fd9\u4e9b\u7c7b\u578b\u4f7f\u60a8\u80fd\u591f\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5904\u7406\u8fd0\u7b97\u5e76\u8fd4\u56de\u9002\u5f53\u7684\u503c\uff0c\u4ece\u800c\u589e\u5f3a\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u3002 PHP \u51fd\u6570\u4e2d\u53ef\u7528\u7684\u53d8\u91cf\u7c7b\u578b \u5728 PHP \u51fd\u6570\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u53d8\u91cf\u7c7b\u578b\u6765\u5b58\u50a8\u548c\u5904\u7406\u6570\u636e\u3002\u4ee5\u4e0b\u662f PHP \u51fd\u6570\u4e2d\u53ef\u7528\u4e8e\u4e0d\u540c\u76ee\u7684\u7684\u53d8\u91cf\u7c7b\u578b\uff1a \u6807\u91cf\u7c7b\u578b \u6574\u6570 (int)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u6574\u6570\u503c\u3002 \u6d6e\u70b9\u6570 (float)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u5c0f\u6570\u503c\u3002 \u5b57\u7b26\u4e32 (string)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u6587\u672c\u6570\u636e\u3002 \u5e03\u5c14\u503c (bool)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u771f\/\u5047\u503c\u3002 \u590d\u5408\u7c7b\u578b \u6570\u7ec4 (array)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u6709\u5e8f\u503c\u7684\u96c6\u5408\u3002\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u636e\u7c7b\u578b\u3002 \u5bf9\u8c61 (object)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u5b58\u50a8\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u5b9e\u4f8b\u3002\u5bf9\u8c61\u5305\u542b\u81ea\u5df1\u7684\u6570\u636e\u548c\u65b9\u6cd5\u3002 \u7279\u6b8a\u7c7b\u578b \u8d44\u6e90 (resource)\uff1a\u8fd9\u4e9b\u7c7b\u578b\u4ee3\u8868\u8bf8\u5982\u6587\u4ef6\u53e5\u67c4\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u5916\u90e8\u8d44\u6e90\u3002 NULL\uff1a\u6b64\u7c7b\u578b\u8868\u793a\u672a\u5206\u914d\u7684\u503c\u3002 \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4ee5\u4e0b PHP \u51fd\u6570\uff0c\u5b83\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u603b\u548c\uff1a function sumNumbers(int $num1, int $num2): int { return $num1 + $num2; } \u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff1a $num1 \u548c $num2 \u662f\u6574\u6570\u7c7b\u578b\u7684\u53c2\u6570\u3002 int \u6307\u5b9a\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u7c7b\u578b\u7684\u503c\u3002 \u51fd\u6570\u4f53\u5185\u4f7f\u7528 […]<\/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-47519","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47519","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=47519"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47519\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}