{"id":47445,"date":"2024-12-02T11:44:02","date_gmt":"2024-12-02T03:44:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47445\/"},"modified":"2024-12-02T11:44:02","modified_gmt":"2024-12-02T03:44:02","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e5%bc%ba%e5%88%b6%e8%bd%ac%e6%8d%a2%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47445\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1f"},"content":{"rendered":"

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

PHP \u51fd\u6570\u4e2d\u5982\u4f55\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1f<\/h1>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u5728 PHP \u4e2d\uff0c\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\uff0c\u4f8b\u5982 settype() \u548c gettype()\uff1b2. \u4f7f\u7528\u7c7b\u578b\u5f3a\u5236\uff0c\u901a\u8fc7\u5c06\u53d8\u91cf\u62ec\u5728\u76ee\u6807\u7c7b\u578b\u4e2d\u3002\u8fd9\u5141\u8bb8\u5c06\u53d8\u91cf\u4ece\u4e00\u79cd\u7c7b\u578b\u663e\u5f0f\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7c7b\u578b\uff0c\u4f8b\u5982\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n

\"PHP<\/p>\n

\u5728 PHP \u51fd\u6570\u4e2d\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\u662f\u6307\u5c06\u4e00\u4e2a\u53d8\u91cf\u4ece\u4e00\u79cd\u7c7b\u578b\u663e\u5f0f\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7c7b\u578b\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1a<\/p>\n

1. \u7c7b\u578b\u8f6c\u6362\u51fd\u6570<\/strong><\/p>\n

\u4f7f\u7528 settype()<\/code> \u6216 gettype()<\/code> \u51fd\u6570\u53ef\u4ee5\u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u7c7b\u578b\u3002<\/p>\n

$value = \"10\";\nsettype($value, \"integer\"); \/\/ \u5c06 $value \u8f6c\u6362\u4e3a\u6574\u6570<\/pre>\n
2. \u7c7b\u578b\u5f3a\u5236<\/strong><\/p>\n
\u4f7f\u7528\u62ec\u53f7\u5c06\u76ee\u6807\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u4e3a\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
$value = \"10\";\n$valueInt = (int) $value; \/\/ \u5c06 $value \u8f6c\u6362\u4e3a\u6574\u6570<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u5047\u8bbe\u6709\u4e00\u4e2a\u51fd\u6570 calculateAverage($values)<\/code>\uff0c\u5b83\u9700\u8981\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u6765\u8ba1\u7b97\u5e73\u5747\u503c\u3002\u4f46\u662f\uff0c\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u53ef\u80fd\u662f\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 array_map()<\/code> \u51fd\u6570\u548c (int)<\/code> \u7c7b\u578b\u5f3a\u5236\u6765\u5b9e\u73b0\u5b83\uff1a<\/p>\n
function calculateAverage(array $values) {\n  $valuesInt = array_map('int', $values);\n  return array_sum($valuesInt) \/ count($valuesInt);\n}\n\n$stringValues = [\"1\", \"2\", \"3\"];\necho calculateAverage($stringValues); \/\/ \u8f93\u51fa\uff1a2<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0carray_map()<\/code> \u51fd\u6570\u4f7f\u7528 (int)<\/code> \u7c7b\u578b\u5f3a\u5236\u5c06\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u7136\u540e\uff0c\u8be5\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528\u8f6c\u6362\u540e\u7684\u6574\u6570\u6570\u7ec4\u8ba1\u7b97\u5e73\u5747\u503c\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u5f3a\u5236\u8f6c\u6362\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\u5982\u4f55\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1f \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1f\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 \u5728 PHP \u4e2d\uff0c\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a1. \u4f7f\u7528\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\uff0c\u4f8b\u5982 settype() \u548c gettype()\uff1b2. \u4f7f\u7528\u7c7b\u578b\u5f3a\u5236\uff0c\u901a\u8fc7\u5c06\u53d8\u91cf\u62ec\u5728\u76ee\u6807\u7c7b\u578b\u4e2d\u3002\u8fd9\u5141\u8bb8\u5c06\u53d8\u91cf\u4ece\u4e00\u79cd\u7c7b\u578b\u663e\u5f0f\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7c7b\u578b\uff0c\u4f8b\u5982\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u3002 \u5728 PHP \u51fd\u6570\u4e2d\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b \u5728 PHP \u4e2d\uff0c\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\u662f\u6307\u5c06\u4e00\u4e2a\u53d8\u91cf\u4ece\u4e00\u79cd\u7c7b\u578b\u663e\u5f0f\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7c7b\u578b\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u5f3a\u5236\u8f6c\u6362\u53d8\u91cf\u7c7b\u578b\uff1a 1. \u7c7b\u578b\u8f6c\u6362\u51fd\u6570 \u4f7f\u7528 settype() \u6216 gettype() \u51fd\u6570\u53ef\u4ee5\u5c06\u53d8\u91cf\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u7c7b\u578b\u3002 $value = “10”; settype($value, “integer”); \/\/ \u5c06 $value \u8f6c\u6362\u4e3a\u6574\u6570 2. \u7c7b\u578b\u5f3a\u5236 \u4f7f\u7528\u62ec\u53f7\u5c06\u76ee\u6807\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u4e3a\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a $value = “10”; $valueInt = (int) $value; \/\/ \u5c06 $value \u8f6c\u6362\u4e3a\u6574\u6570 \u5b9e\u6218\u6848\u4f8b \u5047\u8bbe\u6709\u4e00\u4e2a\u51fd\u6570 calculateAverage($values)\uff0c\u5b83\u9700\u8981\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u6765\u8ba1\u7b97\u5e73\u5747\u503c\u3002\u4f46\u662f\uff0c\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u53c2\u6570\u53ef\u80fd\u662f\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u6574\u6570\u3002 \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 array_map() \u51fd\u6570\u548c (int) […]<\/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-47445","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47445","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=47445"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47445\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}