{"id":1353,"date":"2020-01-03T20:50:37","date_gmt":"2020-01-03T11:50:37","guid":{"rendered":"https:\/\/took.jp\/?p=1353"},"modified":"2020-06-15T14:35:02","modified_gmt":"2020-06-15T05:35:02","slug":"post-1353","status":"publish","type":"post","link":"https:\/\/took.jp\/tech-blog\/post-1353\/","title":{"rendered":"JavaScript\u3067PHP\u95a2\u6570 array_column\u3092\u5b9f\u88c5\u3059\u308b\u3010\u30b3\u30d4\u30da\u3067\u7c21\u5358\u3011"},"content":{"rendered":"

PHP\u95a2\u6570\u3067array_column\u3068\u3044\u3048\u3070\u3001\u914d\u5217\u306e\u69cb\u9020\u3092\u5909\u63db\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u95a2\u6570\u3067\u3059\u3002<\/p>\n

\u305d\u308c\u3092javascript\u3067\u5b9f\u88c5\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u5229\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

 <\/p>\n

\u5b9f\u88c5<\/h2>\n
function array_column($array, $name=null, $key=null){\r\n\tif(arguments.length < 1 ) throw new Error('\u6307\u5b9a\u3059\u308b\u5f15\u6570\u306e\u6570\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3059\u3002');\r\n\tif(!Array.isArray($array)) throw new Error('\u5f15\u6570\u306b\u306f\u3001\u914d\u5217\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002');\r\n\tvar $return_data = [];\r\n\t$array.forEach($value => {\r\n\t\tif($key == null){\r\n\t\t\tif($name == null){\r\n\t\t\t\t$return_data.push($value); \r\n\t\t\t}else{\r\n\t\t\t\t$return_data.push($value[$name]); \r\n\t\t\t}\r\n\t\t}else{\r\n\t\t\tif($name == null){\r\n\t\t\t\t$return_data[$value[$key]] = $value; \r\n\t\t\t}else{\r\n\t\t\t\t$return_data[$value[$key]] = $value[$name];\r\n\t\t\t}\r\n\t\t}\r\n\t});\r\n\treturn $return_data;\r\n}<\/code><\/pre>\n
 <\/p>\n
 <\/p>\n
\u5229\u7528\u65b9\u6cd5\uff11<\/h2>\n
\u5b50\u8981\u7d20\u306e\u914d\u5217\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001<\/p>\n
$sample = [{id:1, name:'apple', price:'100'},{id:2, name:'banana', price:'150'}];\r\nconsole.log(array_column($sample,'name'));<\/code><\/pre>\n
 <\/p>\n
\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001<\/p>\n
{\r\n\t0 => {\r\n\t\tid    => 1,\r\n\t\tname  => 'apple',\r\n\t\tprice => '100'\r\n\t},\r\n\t1 => {\r\n\t\tid    => 2,\r\n\t\tname  => 'banana',\r\n\t\tprice => '150'\r\n\t}\r\n}<\/code><\/pre>\n
 <\/p>\n
\u306e\u5185\u5bb9\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n
{\r\n\t0 => 'apple',\r\n\t1 => 'banana'\r\n}<\/code><\/pre>\n
 <\/p>\n
 <\/p>\n
\u5229\u7528\u65b9\u6cd5\uff12<\/h2>\n
\u7b2c3\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u5404\u8981\u7d20\u306e\u30ad\u30fc\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001<\/p>\n
$sample = [{id:1, name:'apple', price:'100'},{id:2, name:'banana', price:'150'}];\r\nconsole.log(array_column($sample,'price','name'));<\/code><\/pre>\n
 <\/p>\n
\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001<\/p>\n
{\r\n\t0 => {\r\n\t\tid    => 1,\r\n\t\tname  => 'apple',\r\n\t\tprice => '100'\r\n\t},\r\n\t1 => {\r\n\t\tid    => 2,\r\n\t\tname  => 'banana',\r\n\t\tprice => '150'\r\n\t}\r\n}<\/code><\/pre>\n
 <\/p>\n
\u306e\u5185\u5bb9\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n
{\r\n\tapple  => '100',\r\n\tbanana => '150'\r\n}<\/code><\/pre>\n
 <\/p>\n
\u5229\u7528\u65b9\u6cd5\uff13<\/h2>\n
\u7b2c\u4e8c\u5f15\u6570\u306bnull\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001<\/p>\n
$sample = [{id:1, name:'apple', price:'100'},{id:2, name:'banana', price:'150'}];\r\nconsole.log(array_column($sample,null,'price'));<\/code><\/pre>\n
 <\/p>\n
\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001<\/p>\n
{\r\n\t0 => {\r\n\t\tid    => 1,\r\n\t\tname  => 'apple',\r\n\t\tprice => '100'\r\n\t},\r\n\t1 => {\r\n\t\tid    => 2,\r\n\t\tname  => 'banana',\r\n\t\tprice => '150'\r\n\t}\r\n}<\/code><\/pre>\n
 <\/p>\n
\u306e\u5185\u5bb9\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n
{\r\n\tapple  => {\r\n\t\tid    => 1,\r\n\t\tname  => 'apple',\r\n\t\tprice => '100'\r\n\t},\r\n\tbanana => {\r\n\t\tid    => 2,\r\n\t\tname  => 'banana',\r\n\t\tprice => '150'\r\n\t}\r\n}<\/code><\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
PHP\u95a2\u6570\u3067array_column\u3068\u3044\u3048\u3070\u3001\u914d\u5217\u306e\u69cb\u9020\u3092\u5909\u63db\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u95a2\u6570\u3067\u3059\u3002 \u305d\u308c\u3092javascript\u3067\u5b9f\u88c5\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u5229\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002   \u5b9f\u88c5 function array_column($array, $na\u2026<\/p>\n","protected":false},"author":3,"featured_media":1840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,66],"tags":[],"class_list":["post-1353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-it","category-javascript"],"_links":{"self":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts\/1353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/comments?post=1353"}],"version-history":[{"count":0,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts\/1353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/media\/1840"}],"wp:attachment":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/media?parent=1353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/categories?post=1353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/tags?post=1353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}