{"id":47268,"date":"2024-12-02T12:26:56","date_gmt":"2024-12-02T04:26:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47268\/"},"modified":"2024-12-02T12:26:56","modified_gmt":"2024-12-02T04:26:56","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e5%8f%98%e9%87%8f%e7%9a%84%e7%b1%bb%e5%9e%8b%e4%bf%a1%e6%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47268\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\uff1f"},"content":{"rendered":"

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

PHP \u51fd\u6570\u4e2d\u5982\u4f55\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\uff1f<\/h1>\n

\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\u4e2d\u5982\u4f55\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\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>\n

PHP \u4e2d\u83b7\u53d6\u53d8\u91cf\u7c7b\u578b\u7684\u51fd\u6570\u662f gettype()\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u53d8\u91cf\u7c7b\u578b\u7684\u5b57\u7b26\u4e32\u3002\u8fd4\u56de\u7684\u7c7b\u578b\u5b57\u7b26\u4e32\u53ef\u4ee5\u662f\uff1a\u5e03\u5c14\u503c\u3001\u6574\u5f62\u3001\u6d6e\u70b9\u503c\u3001\u5b57\u7b26\u4e32\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u3001\u8d44\u6e90\u6216 NULL\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u4e2d\u83b7\u53d6\u53d8\u91cf\u7c7b\u578b\u4fe1\u606f<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 gettype()<\/code> \u51fd\u6570\u6765\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u53d8\u91cf\u7684\u7c7b\u578b\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

gettype(variable)<\/pre>\n
\u53c2\u6570\uff1a<\/strong><\/p>\n
    \n
  • variable<\/code>\uff1a\u8981\u83b7\u53d6\u7c7b\u578b\u4fe1\u606f\u7684\u53d8\u91cf\u3002<\/li>\n<\/ul>\n
    \u8fd4\u56de\u503c\uff1a<\/strong><\/p>\n
      \n
    • \u5b57\u7b26\u4e32\uff0c\u8868\u793a\u53d8\u91cf\u7684\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
      \u7c7b\u578b\u5b57\u7b26\u4e32\uff1a<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \u7c7b\u578b<\/th>\n\u5b57\u7b26\u4e32<\/th>\n<\/tr>\n<\/thead>\n
      \u5e03\u5c14\u503c<\/td>\nboolean<\/code><\/td>\n<\/tr>\n
      \u6574\u5f62<\/td>\ninteger<\/code><\/td>\n<\/tr>\n
      \u6d6e\u70b9\u503c<\/td>\ndouble<\/code><\/td>\n<\/tr>\n
      \u5b57\u7b26\u4e32<\/td>\nstring<\/code><\/td>\n<\/tr>\n
      \u6570\u7ec4<\/td>\narray<\/code><\/td>\n<\/tr>\n
      \u5bf9\u8c61<\/td>\nobject<\/code><\/td>\n<\/tr>\n
      \u8d44\u6e90<\/td>\nresource<\/code><\/td>\n<\/tr>\n
      NULL<\/td>\nNULL<\/code><\/td>\n<\/tr>\n
      \u672a\u5b9a\u4e49<\/td>\nundefined<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n
      <?php\n\n\/\/ \u83b7\u53d6\u5e03\u5c14\u503c\u53d8\u91cf\u7684\u7c7b\u578b\n$is_true = true;\n$type = gettype($is_true);\necho \"Variable 'is_true' is of type: $type\\n\";\n\n\/\/ \u83b7\u53d6\u6574\u5f62\u53d8\u91cf\u7684\u7c7b\u578b\n$number = 123;\n$type = gettype($number);\necho \"Variable 'number' is of type: $type\\n\";\n\n?><\/pre>\n
      \u8f93\u51fa\uff1a<\/strong><\/p>\n
      Variable 'is_true' is of type: boolean\nVariable 'number' is of type: integer<\/pre>\n
      \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      PHP \u51fd\u6570\u4e2d\u5982\u4f55\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\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\u4e2d\u5982\u4f55\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\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 \u4e2d\u83b7\u53d6\u53d8\u91cf\u7c7b\u578b\u7684\u51fd\u6570\u662f gettype()\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u53d8\u91cf\u7c7b\u578b\u7684\u5b57\u7b26\u4e32\u3002\u8fd4\u56de\u7684\u7c7b\u578b\u5b57\u7b26\u4e32\u53ef\u4ee5\u662f\uff1a\u5e03\u5c14\u503c\u3001\u6574\u5f62\u3001\u6d6e\u70b9\u503c\u3001\u5b57\u7b26\u4e32\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u3001\u8d44\u6e90\u6216 NULL\u3002 PHP \u51fd\u6570\u4e2d\u83b7\u53d6\u53d8\u91cf\u7c7b\u578b\u4fe1\u606f \u5728 PHP \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 gettype() \u51fd\u6570\u6765\u83b7\u53d6\u53d8\u91cf\u7684\u7c7b\u578b\u4fe1\u606f\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8868\u793a\u53d8\u91cf\u7684\u7c7b\u578b\u3002 \u8bed\u6cd5\uff1a gettype(variable) \u53c2\u6570\uff1a variable\uff1a\u8981\u83b7\u53d6\u7c7b\u578b\u4fe1\u606f\u7684\u53d8\u91cf\u3002 \u8fd4\u56de\u503c\uff1a \u5b57\u7b26\u4e32\uff0c\u8868\u793a\u53d8\u91cf\u7684\u7c7b\u578b\u3002 \u7c7b\u578b\u5b57\u7b26\u4e32\uff1a \u7c7b\u578b \u5b57\u7b26\u4e32 \u5e03\u5c14\u503c boolean \u6574\u5f62 integer \u6d6e\u70b9\u503c double \u5b57\u7b26\u4e32 string \u6570\u7ec4 array \u5bf9\u8c61 object \u8d44\u6e90 resource NULL NULL \u672a\u5b9a\u4e49 undefined \u5b9e\u6218\u6848\u4f8b\uff1a <?php \/\/ \u83b7\u53d6\u5e03\u5c14\u503c\u53d8\u91cf\u7684\u7c7b\u578b $is_true = true; $type = gettype($is_true); echo “Variable ‘is_true’ […]<\/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-47268","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47268","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=47268"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47268\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}