{"id":2854,"date":"2021-06-06T08:54:15","date_gmt":"2021-06-05T23:54:15","guid":{"rendered":"https:\/\/www.wetch.co.jp\/?p=2854"},"modified":"2022-01-25T22:22:36","modified_gmt":"2022-01-25T13:22:36","slug":"laravel%e3%81%ae%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%ef%bc%88%e3%81%9d%e3%81%ae%ef%bc%98%ef%bc%9a%e9%9b%86%e8%a8%88%e3%83%bb%e5%88%86%e6%9e%90%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wetch.co.jp\/note\/laravel%e3%81%ae%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%ef%bc%88%e3%81%9d%e3%81%ae%ef%bc%98%ef%bc%9a%e9%9b%86%e8%a8%88%e3%83%bb%e5%88%86%e6%9e%90%ef%bc%89\/","title":{"rendered":"Laravel\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\uff08\u305d\u306e\uff18\uff1a\u96c6\u8a08\u30fb\u5206\u6790\uff09"},"content":{"rendered":"\n

Laravel\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u6398\u308a\u4e0b\u3052\u30b7\u30ea\u30fc\u30ba\u7b2c\u516b\u5f3e\u3002\u4eca\u56de\u306f\u672c\u4f53\u914d\u5217\u5185\u306e\u8981\u7d20\u306b\u95a2\u3059\u308b\u96c6\u8a08\u30fb\u5206\u6790\u3092\u884c\u3046\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u3057\u3066\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

avg(average)<\/h2>\n\n\n\n
$col = collect([1,1,2,3,5,8]);\n$val = $col->avg(); \/\/ 3.3333333333333<\/code><\/pre>\n\n\n\n
\u5e73\u5747\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 3,\n            'b-2' => 5,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 5,\n            'b-2' => 10,\n        ],\n    ],\n]);\n$val = $col1->avg('b.b-2'); \/\/ 6<\/code><\/pre>\n\n\n\n
count<\/h2>\n\n\n\n
$col = collect([1,1,2,3,5,8]);\n$val = $col1->count(); \/\/ 6<\/code><\/pre>\n\n\n\n
\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u591a\u6b21\u5143\u306b\u306a\u3063\u3066\u3044\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u3042\u304f\u307e\u3067\u4e00\u6b21\u5143\u76ee\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3067\u304d\u308b\u3060\u3051\u3067\u3059\u304c\u3002<\/p>\n\n\n\n
$col = collect([\n    'a' => 1,\n    'b' => 'abc',\n    'c' => [\n        'c-1' => 2,\n        'c-2' => 'xyz',\n    ],\n]);\n$val = $col->count(); \/\/ 3<\/code><\/pre>\n\n\n\n
countBy<\/h2>\n\n\n\n
$col1 = collect([1,1,2,3,3,3,3]);\n$col2 = $col1->countBy();<\/code><\/pre>\n\n\n\n
\u5404\u5024\u306e\u6570\u3092\u96c6\u8a08\u3057\u3001\u5024\u3092\u30ad\u30fc\u3001\u500b\u6570\u3092\u5024\u3068\u3059\u308b\u65b0\u305f\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n  1 => 2\n  2 => 1\n  3 => 4\n]<\/code><\/pre>\n\n\n\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u5f15\u6570\u3068\u3057\u3001\u540c\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u623b\u308a\u5024\u3067\u96c6\u8a08\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([1,1,2,3,5,8]);\n$col2 = $col1->countBy(function($val) {\n    return $val % 3;\n});<\/code><\/pre>\n\n\n\n
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n  1 => 2\n  2 => 3\n  0 => 1\n]<\/code><\/pre>\n\n\n\n
max<\/h2>\n\n\n\n
$col = collect([1,1,2,3,5,8])->shuffle();\n$val = $col->max(); \/\/ 8<\/code><\/pre>\n\n\n\n
\u6700\u5927\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 3,\n            'b-2' => 5,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 5,\n            'b-2' => 10,\n        ],\n    ],\n]);\n$val = $col->max('b.b-2'); \/\/ 10<\/code><\/pre>\n\n\n\n
median<\/h2>\n\n\n\n
$col = collect([1,1,2,3,5,8])->shuffle();\n$val = $col->median(); \/\/ 2.5<\/code><\/pre>\n\n\n\n
\u4e2d\u592e\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u4e0a\u8a18\u306e\u3088\u3046\u306b\u8981\u7d20\u304c\u5076\u6570\u500b\u306e\u5834\u5408\u306f\u4e2d\u592e\u306e\u524d\u5f8c\uff08\u4e0a\u8a18\u4f8b\u3067\u306f2\u30683\uff09\u306e\u8981\u7d20\u306e\u4e2d\u9593\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002
\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 3,\n            'b-2' => 5,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 5,\n            'b-2' => 10,\n        ],\n    ],\n]);\n$val = $col->median('b.b-2'); \/\/ 5<\/code><\/pre>\n\n\n\n
min<\/h2>\n\n\n\n
$col = collect([1,1,2,3,5,8])->shuffle();\n$val = $col1->min(); \/\/ 1<\/code><\/pre>\n\n\n\n
\u6700\u5c0f\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 3,\n            'b-2' => 5,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 5,\n            'b-2' => 10,\n        ],\n    ],\n]);\n$val = $col->min('b.b-2'); \/\/ 3<\/code><\/pre>\n\n\n\n
mode<\/h2>\n\n\n\n
$col = collect([1,1,2,3,3,3,3])->shuffle();\n$result = $col->mode(); \/\/ [3]<\/code><\/pre>\n\n\n\n
\u6700\u983b\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u2026\u304c\u3001avg\u3084median\u306a\u3069\u3068\u7570\u306a\u308a\u3001\u672c\u30e1\u30bd\u30c3\u30c9\u306e\u307f\u623b\u308a\u304c\u914d\u5217\u3067\u3059\uff08\u306a\u305c\u3060\uff1f\uff09
\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([\n    [\n        'b' => [\n            'b-1' => 1,\n            'b-2' => 2,\n        ],\n    ],\n    [\n        'b' => [\n            'b-1' => 1,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 4,\n        ],\n    ],\n]);\n$result = $col->mode('b.b-2'); \/\/ [3]<\/code><\/pre>\n\n\n\n
sum<\/h2>\n\n\n\n
$col = collect([1,1,2,3,5,8])->shuffle();\n$result = $col->sum(); \/\/ 20<\/code><\/pre>\n\n\n\n
\u5408\u8a08\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 2,\n            'b-2' => 3,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 3,\n            'b-2' => 5,\n        ],\n    ],\n    [\n        'a' => 1,\n        'b' => [\n            'b-1' => 5,\n            'b-2' => 10,\n        ],\n    ],\n]);\n$val = $col->sum('b.b-2'); \/\/ 18<\/code><\/pre>\n\n\n\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u623b\u308a\u5024\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col = collect([1,1,2,3,5,8])->shuffle();\n$result = $col->sum(function($val) {\n    return $val * 2;\n}); \/\/ 40<\/code><\/pre>\n\n\n\n
\u7dcf\u62ec<\/h2>\n\n\n\n
\u3053\u306e\u30ab\u30c6\u30b4\u30ea\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u76f4\u611f\u7684\u306b\u5206\u304b\u308a\u3084\u3059\u3044\u3082\u306e\u3070\u304b\u308a\u306a\u306e\u3067\u3001\u3059\u3050\u306b\u899a\u3048\u3066\u3001\u4f7f\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u3002
mode\u306e\u623b\u308a\u5024\u304c\u914d\u5217\u3068\u306a\u308b\u70b9\u3060\u3051\u304c\u552f\u4e00\u306e\u6c5a\u70b9\u3067\u3059\u304c\u2026\uff08\u4f7f\u3044\u65b9\u3092\u9593\u9055\u3046\u81ea\u4fe1\u3042\u308a\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Laravel\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u6398\u308a\u4e0b\u3052\u30b7\u30ea\u30fc\u30ba\u7b2c\u516b\u5f3e\u3002\u4eca\u56de\u306f\u672c\u4f53\u914d\u5217\u5185\u306e\u8981\u7d20\u306b\u95a2\u3059\u308b\u96c6\u8a08\u30fb\u5206\u6790\u3092\u884c\u3046\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u3057\u3066\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002 avg(average) \u5e73\u5747\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u5bfe\u8c61\u304c\u591a\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u8981\u7d20 […]<\/p>\n","protected":false},"author":6,"featured_media":2855,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[210],"tags":[],"class_list":["post-2854","post","type-post","status-publish","format-standard","has-post-thumbnail","category-210"],"_links":{"self":[{"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/posts\/2854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/comments?post=2854"}],"version-history":[{"count":0,"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/posts\/2854\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/media\/2855"}],"wp:attachment":[{"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/media?parent=2854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/categories?post=2854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wetch.co.jp\/note\/wp-json\/wp\/v2\/tags?post=2854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}