{"id":3885,"date":"2020-07-14T14:36:07","date_gmt":"2020-07-14T06:36:07","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3885"},"modified":"2020-07-14T14:36:07","modified_gmt":"2020-07-14T06:36:07","slug":"array_keys","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3885","title":{"rendered":"[ PHP ] &#8211; array_keys \u53d6\u5f97\u9663\u5217key\u503c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u9663\u5217\u683c\u5f0f\u5e38\u5e38\u6703\u5b58\u6210key=>value\u683c\u5f0f\uff0c\u6642\u4e0d\u6642\u9700\u8981\u628a\u9663\u5217\u7684key\u503c\u53e6\u5916\u6293\u51fa\u4f86\u597d\u8655\u7406\u53d6\u503c\u7684\u554f\u984c\uff0c\u9019\u500b\u6642\u5019 array_keys \u5c31\u6d3e\u4e0a\u7528\u5834\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">$a=array(<br \/>&#8216;name&#8217;=&gt;&#8217;jeff&#8217;,<br \/>&#8216;age&#8217;=&gt;35,<br \/>&#8216;height&#8217;=&gt;170,<br \/>&#8216;weight&#8217;=&gt;65<br \/>);<\/p>\n\n\n<p class=\"wp-block-paragraph\">$key=array_keys($a);<br \/>print_r($key);<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u986f\u793a\u7d50\u679c\uff1a<br \/>Array<br \/>(<br \/>[0] =&gt; name<br \/>[1] =&gt; age<br \/>[2] =&gt; height<br \/>[3] =&gt; weight<br \/>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9663\u5217\u683c\u5f0f\u5e38\u5e38\u6703\u5b58\u6210key=>value\u683c\u5f0f\uff0c\u6642\u4e0d\u6642\u9700\u8981\u628a\u9663\u5217\u7684key\u503c\u53e6\u5916\u6293\u51fa\u4f86\u597d\u8655\u7406\u53d6\u503c\u7684\u554f\u984c\uff0c\u9019\u500b\u6642\u5019 array_keys \u5c31\u6d3e\u4e0a\u7528\u5834\u3002<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,36],"tags":[124,353,448],"class_list":["post-3885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-array","category-php","tag-array_keys","tag-key","tag-php","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3885","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3885"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3885\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/media\/2201"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}