{"id":2107,"date":"2014-12-12T17:52:02","date_gmt":"2014-12-12T08:52:02","guid":{"rendered":"http:\/\/taitan916.info\/blog\/?p=2107"},"modified":"2024-04-17T12:59:53","modified_gmt":"2024-04-17T03:59:53","slug":"post-2107","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/2107","title":{"rendered":"PHP\u3067\u914d\u5217\u306e\u30ad\u30fc\u306e\u6700\u5927\u5024\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u914d\u5217\u306e\u30ad\u30fc\u306b\u6574\u6570\u5024\u304c\u5165\u3063\u3066\u3044\u3066\u3001\u305d\u306e\u4e2d\u304b\u3089\u6700\u5927\u5024\u3092\u53d6\u5f97\u3057\u305f\u3044\u30b1\u30fc\u30b9\u304c\u3042\u3063\u305f\u3002\u8abf\u3079\u305f\u3068\u3053\u308d\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u3044\u3051\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">$test = array(\r\n    1 =&gt; 'hoge',\r\n    4 =&gt; 'huga', \r\n    8 =&gt; 'foo'\r\n);\r\n$key = max(array_keys($test));\r\nvar_dump($key); \/\/int(8)<\/pre>\n<p>array_keys\u3067\u914d\u5217\u306e\u30ad\u30fc\u3092\u5168\u53d6\u5f97\u3057\u3066\u3001max\u3067\u6700\u5927\u5024\u3092\u53d6\u5f97\u3057\u305f\u3082\u306e\u3092$key\u306b\u683c\u7d0d\u3068\u3044\u3046\u5f62\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<h3><span class=\"enlighter-m0\">array_keys<\/span><\/h3>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/function.array-keys.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.php.net\/manual\/ja\/function.array-keys.php<\/a><\/p>\n<h3>max<\/h3>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/function.max.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.php.net\/manual\/ja\/function.max.php<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u914d\u5217\u306e\u30ad\u30fc\u306b\u6574\u6570\u5024\u304c\u5165\u3063\u3066\u3044\u3066\u3001\u305d\u306e\u4e2d\u304b\u3089\u6700\u5927\u5024\u3092\u53d6\u5f97\u3057\u305f\u3044\u30b1\u30fc\u30b9\u304c\u3042\u3063\u305f\u3002\u8abf\u3079 ... <\/p>\n","protected":false},"author":1,"featured_media":1085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/2107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=2107"}],"version-history":[{"count":2,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/2107\/revisions"}],"predecessor-version":[{"id":5807,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/2107\/revisions\/5807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1085"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=2107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=2107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=2107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}