{"id":1216,"date":"2021-10-14T18:48:55","date_gmt":"2021-10-14T09:48:55","guid":{"rendered":"http:\/\/snow-cat.net\/?p=1216"},"modified":"2021-10-14T18:48:55","modified_gmt":"2021-10-14T09:48:55","slug":"php%e3%81%a7%e9%80%a3%e6%83%b3%e9%85%8d%e5%88%97%e3%82%92%e6%8c%81%e3%81%a4%e9%85%8d%e5%88%97%e3%81%8b%e3%82%89%e8%a9%b2%e5%bd%93%e3%81%99%e3%82%8b%e5%80%a4%e3%82%92%e6%8c%81%e3%81%a4%e9%80%a3","status":"publish","type":"post","link":"https:\/\/snow-cat.net\/?p=1216","title":{"rendered":"PHP\u3067\u9023\u60f3\u914d\u5217\u3092\u6301\u3064\u914d\u5217\u304b\u3089\u8a72\u5f53\u3059\u308b\u5024\u3092\u6301\u3064\u9023\u60f3\u914d\u5217\u3092\u53d6\u5f97\u3057\u305f\u3044"},"content":{"rendered":"<p>\u914d\u5217\u304b\u3089\u5024\u3092\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u308b\u914d\u5217\u3092\u53d6\u5f97\u3057\u305f\u3044\u6642\u306b\u3044\u3044\u611f\u3058\u306e\u95a2\u6570\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u95a2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5bfe\u8c61\u306e\u914d\u5217\u3092\u53d6\u5f97\u3067\u304d\u308b\u65b9\u6cd5\u3092\u307e\u3068\u3081\u3066\u304a\u3053\u3046\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"theme:light-abite lang:php decode:true\">$test = [\r\n  [\r\n    \"id\" =&gt; 1,\r\n    \"name\" =&gt; \"taro\",\r\n  ],\r\n  [\r\n    \"id\" =&gt; 2,\r\n    \"name\" =&gt; \"jiro\",\r\n  ],\r\n  [\r\n    \"id\" =&gt; 3,\r\n    \"name\" =&gt; \"saburou\",\r\n  ],\r\n];<\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u306e\u914d\u5217\u304c\u3042\u3063\u3066\u3001jiro\u306e\u914d\u5217\u3060\u3051\u53d6\u308a\u305f\u3044\u30b1\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<p>\u5148\u306b\u7b54\u3048\u3092\u66f8\u304f\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"theme:light-abite lang:default decode:true\">$arrayNo = array_search('jiro', array_column($test, 'name'));\r\n$targetArray = $arrayNo !== false ? $test[$arrayNo]: [];<\/pre>\n<p>\u51fa\u529b\u306f\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"theme:light-abite lang:default decode:true\">[\r\n   \"id\" =&gt; 2,\r\n   \"name\" =&gt; \"jiro\",\r\n]<\/pre>\n<p>\u305d\u308c\u3067\u306f\u51e6\u7406\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001array_column($test, &#8216;name&#8217;)\u306e\u90e8\u5206\u3067\u5bfe\u8c61\u306e\u9805\u76ee\u306e\u5024\u3060\u3051\u53d6\u308a\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u5834\u5408\u306e\u51fa\u529b\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"theme:light-abite lang:default decode:true\">[\r\n   \"taro\",\r\n   \"jiro\",\r\n   \"saburou\",\r\n]<\/pre>\n<p>\u305d\u3057\u3066\u3001array_search\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001\u63a2\u3057\u305f\u3044\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u3066\u3001\u305d\u306e\u914d\u5217\u306e\u756a\u53f7\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>jiro\u3092\u9078\u629e\u3057\u305f\u5834\u5408\u306f1\u306b\u306a\u308a\u307e\u3059\u3057\u3001ichiro\u306e\u3088\u3046\u306b\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306ffalse\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001$targetArray = $arrayNo !== false ? $test[$arrayNo]: [];\u306e\u90e8\u5206\u3067\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u5bfe\u8c61\u306e\u914d\u5217\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u7a7a\u914d\u5217\u3092\u8fd4\u3059\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u65b9\u6cd5\u3060\u3068\u3001\u6700\u521d\u306b\u8a72\u5f53\u3059\u308b\u914d\u5217\u3057\u304b\u53d6\u5f97\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u8907\u6570\u6761\u4ef6\u3068\u304b\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u308b\u5168\u3066\u306e\u914d\u5217\u3092\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3089\u4fbf\u5229\u3067\u3059\u306d<\/p>\n<p>&nbsp;<\/p>\n<h3>\u53c2\u7167<\/h3>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/function.array-search.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.php.net\/manual\/ja\/function.array-search.php<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u914d\u5217\u304b\u3089\u5024\u3092\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u308b\u914d\u5217\u3092\u53d6\u5f97\u3057\u305f\u3044\u6642\u306b\u3044\u3044\u611f\u3058\u306e\u95a2\u6570\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u95a2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5bfe\u8c61 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