{"id":727,"date":"2018-07-12T04:04:27","date_gmt":"2018-07-11T19:04:27","guid":{"rendered":"https:\/\/blog.capilano-fw.com\/?p=727"},"modified":"2020-07-03T18:15:49","modified_gmt":"2020-07-03T09:15:49","slug":"%e5%85%a8100%e7%a8%ae%e9%a1%9e%ef%bc%81laravel-5-6%e3%81%ae%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e5%ae%9f%e4%be%8b","status":"publish","type":"post","link":"https:\/\/blog.capilano-fw.com\/?p=727","title":{"rendered":"\u5168117\u7a2e\u985e\uff01Laravel 5.6\u301c7.x\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5b9f\u4f8b"},"content":{"rendered":"

\u3055\u3066\u3055\u3066\u3001\u4ee5\u524d\u300cLaravel\u306e\u4fbf\u5229\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30fb\u30e1\u30bd\u30c3\u30c9\uff17\u9078\uff01<\/a>\u300d\u3092\u516c\u958b\u3057\u305f\u6642\u304b\u3089\u3044\u3064\u304b\u3084\u308a\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u304c\u3001<\/p>\n

\u5168Laravel Collection\u30e1\u30bd\u30c3\u30c9<\/strong><\/p>\n

\u306e\u4f7f\u3044\u65b9\u3092\u518d\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u306a\u305c\u306a\u3089\u3001Laravel<\/code>\u306f\u30de\u30a4\u30ca\u30fc\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3067\u3082\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u306e\u3067\u3001\u5b9a\u671f\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u305b\u3063\u304b\u304f\u306e\u4fbf\u5229\u306a\u6a5f\u80fd\u3092\u898b\u9003\u3057\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002<\/p>\n

\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u904e\u53bb\u306b\u3042\u307e\u308a\u306b\u3082\u81a8\u5927\u306a\u91cf\u306b\u306a\u308a\u305d\u3046\u3067\u656c\u9060\u3057\u3066\u305f\u300cLaravel Collection<\/strong>\u300d\u306e\u5168\u5b9f\u4f8b\u3092\u30b1\u30fc\u30b9\u5225\u3067\u307e\u3068\u3081\u3066\u304a\u5c4a\u3051\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u958b\u767a\u74b0\u5883\uff1a<\/strong> Laravel 5.6 \u301c Laravel 7.x<\/p>\n

\u3010\u8ffd\u8a18\uff1a2020.3.7\u3011<\/strong>\u3053\u306e\u8a18\u4e8b\u306f\u516c\u958b\u5f53\u6642Laravel 5.6<\/code>\u5411\u3051\u306b\u4f5c\u6210\u3055\u308c\u305f\u3082\u306e\u306b\u52a0\u7b46\u4fee\u6b63\u3055\u308c\u305f\u3082\u306e\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u8a18\u4e8b\u306e\u516c\u958b\u3088\u308a\u5f8c\u306b\u8ffd\u52a0\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u306f\u3001\u6709\u52b9\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u3092\u8f09\u305b\u3066\u3044\u307e\u3059\u304c\u3001\u3082\u3057\u4f55\u3082\u8a18\u8f09\u304c\u7121\u3044\u5834\u5408\u306fLaravel 5.6<\/code>\u4ee5\u964d\u3067\u4f7f\u3048\u308b\u3082\u306e\u3068\u304a\u8003\u3048\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u3010\u8ffd\u8a18\uff1a2020.7.3\u3011<\/strong>takeUntil()<\/code>\u3001takeWhile()<\/code>\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h1>\n

get()\u3067\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n

get()<\/code>\u306fCollection<\/code>\u306e\u4e00\u756a\u57fa\u672c\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3001PHP\u306e\u914d\u5217\u306e\u3088\u3046\u306b\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u51fa\u3057\u307e\u3059\u3002<\/p>\n

$collection = collect([<\/strong>\r\n    'id' => 1,<\/strong>\r\n    'name' => '\u9234\u6728',<\/strong>\r\n    'age' => 20<\/strong>\r\n]<\/strong>);\r\necho $collection->get('name')<\/strong>; \/\/ \u9234\u6728<\/pre>\n
\u307e\u305f\u3001\u30ad\u30fc\u304c\u7121\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']);\r\necho $collection->get(0)<\/strong>; \/\/ \u9234\u6728<\/pre>\n
\u306a\u304a\u3001\u3082\u3057\u5b58\u5728\u3057\u306a\u3044\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306fnull<\/code>\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u7b2c\uff12\u5f15\u6570\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3057\u3066\u304a\u304f\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect([\r\n    'id' => 1,\r\n    'name' => '\u9234\u6728',\r\n    'age' => 20\r\n]);\r\necho $collection->get('todofuken', '\u6771\u4eac\u90fd')<\/strong>; \/\/ \u6771\u4eac\u90fd<\/strong><\/pre>\n
\u203b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306ffunction()<\/code>\u3067\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306freturn<\/code>\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8fd4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
pluck()\u3067\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u306e\u914d\u5217\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001name<\/code>\u306e\u5024\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728'<\/strong>, 'age' => 20],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4'<\/strong>, 'age' => 23],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d'<\/strong>, 'age' => 20],\r\n    ['id' => 4, 'name' => '\u5c71\u672c'<\/strong>, 'age' => 25],\r\n    ['id' => 5, 'name' => '\u85e4\u539f'<\/strong>, 'age' => 25],\r\n]);\r\n$names = $collection->pluck('name')<\/strong>;\r\nprint_r($names->toArray());<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [0] => \u9234\u6728\r\n    [1] => \u4f50\u85e4\r\n    [2] => \u7530\u4e2d\r\n    [3] => \u5c71\u672c\r\n    [4] => \u85e4\u539f\r\n)<\/pre>\n
\u307e\u305f\u3001\u9023\u60f3\u914d\u5217\u3068\u3057\u3066\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001id<\/code>\u3092\u30ad\u30fc\u3068\u3059\u308b\u9023\u60f3\u914d\u5217\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    ['id' => 3<\/strong>, 'name' => '\u9234\u6728', 'age' => 20],\r\n    ['id' => 5<\/strong>, 'name' => '\u4f50\u85e4', 'age' => 23],\r\n    ['id' => 6<\/strong>, 'name' => '\u7530\u4e2d', 'age' => 20],\r\n    ['id' => 9<\/strong>, 'name' => '\u5c71\u672c', 'age' => 25],\r\n    ['id' => 11<\/strong>, 'name' => '\u85e4\u539f', 'age' => 25],\r\n]);\r\n$names = $collection->pluck('name', 'id')<\/strong>;\r\nprint_r($names->toArray());<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u3067\u3059\u3002<\/p>\n
Array\r\n(\r\n    [3]<\/strong> => \u9234\u6728\r\n    [5]<\/strong> => \u4f50\u85e4\r\n    [6]<\/strong> => \u7530\u4e2d\r\n    [9]<\/strong> => \u5c71\u672c\r\n    [11]<\/strong> => \u85e4\u539f\r\n)\r\n<\/pre>\n
toArray()\u3067\u4e2d\u8eab\u3092\u914d\u5217\u3067\u53d6\u5f97\u3059\u308b<\/h2>\n
Collection<\/code>\u306e\u4e2d\u8eab\u3092\u914d\u5217\u306b\u3057\u3066\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d'])->all();\r\n$array = $collection->toArray()<\/strong>; \/\/ \u914d\u5217<\/pre>\n
all()\u3067\u4e2d\u8eab\u3092\u914d\u5217\u3067\u53d6\u5f97\u3059\u308b<\/h2>\n
all()<\/code>\u306f\u307b\u307ctoArray()<\/code>\u3068\u540c\u3058\u3067\u3001Collection<\/code>\u306e\u4e2d\u8eab\u3092\u914d\u5217\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d'])->all();\r\n$array = $collection->all()<\/strong>; \/\/ \u914d\u5217<\/pre>\n
toArray()<\/code>\u3068\u306e\u9055\u3044\u306f\u3001Collection<\/code>\u306e\u4e2d\u306b\u3055\u3089\u306bCollection<\/code>\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    collect([1, 2, 3]),\r\n    collect([4, 5, 6]),\r\n    collect([7, 8, 9])\r\n]);\r\ndd($collection->toArray()<\/strong>);<\/pre>\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001toArray()\u306e\u5834\u5408\u306f\u5168\u3066\u306e\u8981\u7d20\u3092PHP\u306e\u914d\u5217\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/strong><\/p>\n
\"\"<\/p>\n
\u3053\u308c\u3068\u306f\u9006\u306b\u3001all()\u3092\u4f7f\u3063\u305f\u5834\u5408\u3001Collection\u306fCollection\u306e\u307e\u307e\u3067\u6b8b\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n
$collection = collect([\r\n    collect([1, 2, 3]),\r\n    collect([4, 5, 6]),\r\n    collect([7, 8, 9])\r\n]);\r\ndd($collection->all()<\/strong>);<\/pre>\n
\"\"<\/p>\n
\u305d\u306e\u305f\u3081\u3001foreach<\/code>\u30eb\u30fc\u30d7\u306a\u3069\u306e\u4e2d\u3067\u3055\u3089\u306bCollection<\/code>\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306fall()<\/code>\u3092\u4f7f\u3046\u307b\u3046\u304c\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
take()\u3067\u6307\u5b9a\u3057\u305f\u4ef6\u6570\u3060\u3051\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b<\/h2>\n
Collection<\/code>\u306e\u4e2d\u304b\u3089\u7279\u5b9a\u306e\u4ef6\u6570\u3060\u3051\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']<\/strong>);\r\n$chunk = $collection->take(3)<\/strong>;\r\nprint_r($chunk->toArray());<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [0] => \u9234\u6728\r\n    [1] => \u4f50\u85e4\r\n    [2] => \u7530\u4e2d\r\n)<\/pre>\n
\u306a\u304a\u3001\u30de\u30a4\u30ca\u30b9\u306e\u6570\u5b57\u3092\u4f7f\u3046\u3068\u300c\u5f8c\u308d\u304b\u3089\u25cf\u4ef6\u306e\u30c7\u30fc\u30bf\u300d\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']<\/strong>);\r\n$chunk = $collection->take(-2)<\/strong>;\r\nprint_r($chunk->toArray());<\/pre>\n
\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [3]<\/strong> => \u5c71\u672c\r\n    [4]<\/strong> => \u85e4\u539f\r\n)<\/pre>\n
\u203b\u30ad\u30fc\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
takeUntil()\u3067\u7279\u5b9a\u306e\u6761\u4ef6\u304c\u6765\u308b\u307e\u3067\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u30c7\u30fc\u30bf\u3092\uff11\u4ef6\u305a\u3064\u30c1\u30a7\u30c3\u30af\u3057\u300c\u4e09\u90ce\u300d\u3055\u3093\u304c\u6765\u308b\u307e\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect(['\u592a\u90ce', '\u6b21\u90ce', '\u4e09\u90ce', '\u56db\u90ce', '\u4e94\u90ce']);\r\n\r\n$users = $collection->takeUntil(function ($item) {<\/strong>\r\n\r\n    return ($item === '\u4e09\u90ce'); \/\/ \ud83d\udc48 \u4e09\u90ce\u3055\u3093\u304c\u6765\u308b\u307e\u3067\u7d9a\u304f\uff08\u305f\u3060\u3057\u3001\u4e09\u90ce\u3055\u3093\u306f\u542b\u307e\u306a\u3044\uff09<\/strong>\r\n\r\n})<\/strong>;\r\n\r\ndd($users->toArray());<\/pre>\n
\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
array:2 [\r\n  0 => \"\u592a\u90ce\"\r\n  1 => \"\u6b21\u90ce\"\r\n]<\/strong><\/pre>\n
Laravel 7.8 \u4ee5\u964d<\/em><\/p>\n
takeWhile()\u3067\u7279\u5b9a\u306e\u6761\u4ef6\u304c\u7d9a\u304f\u9650\u308a\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b<\/h2>\n
$collection = collect(['\u592a\u90ce', '\u6b21\u90ce', '\u4e09\u90ce', '\u82b1\u5b50', '\u56db\u90ce']);\r\n\r\n$users = $collection->takeWhile(function ($item) {<\/strong>\r\n\r\n    return (Str::contains($item, '\u90ce')); \/\/ \ud83d\udc48 \u540d\u524d\u306b\u300c\u90ce\u300d\u304c\u5165\u3063\u3066\u3044\u308b\u9650\u308a\u7d9a\u304f<\/strong>\r\n\r\n})<\/strong>;\r\n\r\ndd($users->toArray());<\/pre>\n
\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
array:3 [\r\n  0 => \"\u592a\u90ce\"\r\n  1 => \"\u6b21\u90ce\"\r\n  2 => \"\u4e09\u90ce\"\r\n]<\/strong><\/pre>\n
Laravel 7.8 \u4ee5\u964d<\/em><\/p>\n
toJson()\u3067JSON\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001Ajax\u901a\u4fe1\u306a\u3069\u306e\u305f\u3081\u306bJSON\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u7528\u610f\u3057\u305f\u3044\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    'id' => 1,\r\n    'name' => '\u9234\u6728',\r\n    'age' => 23\r\n]);\r\necho $collection->toJson()<\/strong>;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
{\"id\":1,\"name\":\"\\u9234\\u6728\",\"age\":23}<\/pre>\n
\u3061\u306a\u307f\u306bLaravel<\/code>\u306eCollection<\/code>\u306ftoJson()<\/code>\u3092\u4f7f\u308f\u306a\u304f\u3068\u3082\u3001echo \u3067\u8868\u793a\u3057\u3066\u3084\u308c\u3070\u81ea\u52d5\u7684\u306bJSON\u5f62\u5f0f\u306b\u306a\u3063\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
echo collect([\r\n    'id' => 1,\r\n    'name' => '\u9234\u6728',\r\n    'age' => 23\r\n]); \/\/ \uff08\u4e0a\u306e\u4f8b\u3068\u540c\u3058\u306b\u306a\u308a\u307e\u3059\uff09<\/pre>\n
diff()\u3067\u6307\u5b9a\u30c7\u30fc\u30bf\u300c\u4ee5\u5916\u300d\u306e\u30c7\u30fc\u30bf\u3060\u3051\u53d6\u5f97\u3059\u308b<\/h2>\n
Collection<\/code>\u306e\u4e2d\u304b\u3089\u6307\u5b9a\u3057\u305f\u3082\u306e\u300c\u4ee5\u5916<\/strong>\u300d\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']);\r\n$diff = $collection->diff(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d'])<\/strong>;\r\nprint_r($diff->toArray());<\/pre>\n
\u3053\u306e\u5834\u5408\u3001\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [3] => \u5c71\u672c\r\n    [4] => \u85e4\u539f\r\n)\r\n<\/pre>\n
\u203b\u30ad\u30fc\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
diffAssoc()\u3067\u30ad\u30fc\u306e\u4e2d\u8eab\u304c\u9055\u3063\u3066\u3044\u308b\u3082\u306e\u3060\u3051\u53d6\u5f97\u3059\u308b<\/h2>\n
\u300c\u30ad\u30fc\u304c\u304a\u4e92\u3044\u5b58\u5728\u3057\u3066\u3044\u3066\u3001\u306a\u304a\u304b\u3064\u305d\u306e\u5024\u304c\u9055\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf<\/strong>\u300d\u3060\u3051\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
$collection = collect([\r\n    'name' => '\u9234\u6728',\r\n    'age' => 20,\r\n    'todofuken' => '\u6771\u4eac\u90fd'\r\n]<\/strong>);\r\n$diff = $collection->diffAssoc([\r\n    'name' => '\u4f50\u85e4',\r\n    'age' => 15,\r\n    'todofuken' => '\u5927\u962a\u5e9c',\r\n    'height' => '170cm'\r\n])<\/strong>;\r\nprint_r($diff->toArray());<\/pre>\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [name] => \u9234\u6728\r\n    [age] => 20\r\n)\r\n<\/pre>\n
diffKeys()\u3067\u30ad\u30fc\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3060\u3051\u53d6\u5f97\u3059\u308b<\/h2>\n
\u5143\u30c7\u30fc\u30bf\u3060\u3051\u306b\u5b58\u5728\u3059\u308b\u30ad\u30fc\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n
$collection = collect([<\/strong>\r\n    'name' => '\u9234\u6728',<\/strong>\r\n    'age' => 20,<\/strong>\r\n    'todofuken' => '\u6771\u4eac\u90fd',<\/strong>\r\n    'height' => '170cm'<\/strong>\r\n]<\/strong>);\r\n$diff = $collection->diffKeys([<\/strong>\r\n    'name' => '\u4f50\u85e4',<\/strong>\r\n    'todofuken' => '\u5927\u962a\u5e9c'<\/strong>\r\n])<\/strong>;\r\nprint_r($diff->toArray());<\/pre>\n
\u3053\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bdiffKeys()<\/code>\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044age<\/code>\u3068height<\/code>\u3060\u3051\u304c\u53d6\u5f97\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [age]<\/strong> => 20\r\n    [height]<\/strong> => 170cm\r\n)\r\n<\/pre>\n
each()\u3067\uff11\u884c\u305a\u3064\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
Collection<\/code>\u306e\u4e2d\u8eab\u3092\uff11\u884c\u305a\u3064\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08\u3064\u307e\u308a\u30eb\u30fc\u30d7\u3055\u305b\u307e\u3059\uff09<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']);\r\n$collection->each(function ($item, $key) {<\/strong>\r\n\r\n    echo $key .': '. $item; \/\/ \u9806\u306b\u30ad\u30fc\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff09\u3068\u5024\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059<\/strong>\r\n\r\n})<\/strong>;<\/pre>\n
\u3082\u3057\u9014\u4e2d\u3067\u7d42\u4e86\u3057\u305f\u3044\u5834\u5408\u306freturn false;<\/code>\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
$collection->each(function ($item, $key) {\r\n\r\n    echo $key .': '. $item; \/\/ \u9806\u306b\u540d\u524d\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\r\n\r\n    return false;<\/strong>\r\n\r\n});<\/pre>\n
eachSpread()\u3067\u30c7\u30fc\u30bf\u3092\u5909\u6570\u306b\u683c\u7d0d\u3055\u305b\u306a\u304c\u3089\uff11\u884c\u305a\u3064\u53d6\u5f97\u3059\u308b<\/h2>\n
each()<\/a>\u306e\u3088\u3046\u306b\uff11\u884c\u305a\u3064\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u304c\u5c11\u3057\u305d\u306e\u3084\u308a\u65b9\u304c\u5c11\u3057\u9055\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u5b9f\u969b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
$collection = collect([<\/strong>\r\n    [1, '\u9234\u6728', 20],<\/strong>\r\n    [2, '\u4f50\u85e4', 22],<\/strong>\r\n    [3, '\u7530\u4e2d', 30]<\/strong>\r\n]<\/strong>);\r\n$collection->eachSpread(function($id, $name, $age)<\/strong>{\r\n\r\n    \/\/ \u4f55\u304b\u306e\u51e6\u7406\r\n\r\n});<\/pre>\n
function()<\/code>\u5185\u306e\u5f15\u6570\u304c\u305d\u308c\u305e\u308c\u306e\u914d\u5217\u306e\u4f4d\u7f6e\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff09\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u3001\u30ad\u30fc\u304c\u3042\u308bCollection<\/code>\u3067\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
only()\u3067\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3060\u3051\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001id<\/code>\u3068name<\/code>\u3060\u3051\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect(['id' => 1, 'name' => '\u9234\u6728', 'age' => 20,  'height' => '170cm']);\r\n$filtered = $collection->only(['id', 'name'])<\/strong>;\r\nprint_r($filtered->toArray());<\/pre>\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [id]<\/strong> => 1\r\n    [name]<\/strong> => \u9234\u6728\r\n)\r\n<\/pre>\n
except()\u3067\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u300c\u4ee5\u5916\u300d\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
only()<\/a>\u3068\u306f\u9006\u306b\u3001\u4f8b\u3048\u3070id<\/code>\u3068name<\/code>\u300c\u4ee5\u5916\u300d<\/strong>\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect(['id' => 1, 'name' => '\u9234\u6728', 'age' => 20,  'height' => '170cm']);\r\n$filtered = $collection->except(['id', 'name'])<\/strong>;\r\nprint_r($filtered->toArray());<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [age]<\/strong> => 20\r\n    [height]<\/strong> => 170cm\r\n)\r\n<\/pre>\n
filter()\u3067\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u300c\u30c6\u30b9\u30c8\u306780\u70b9\u4ee5\u4e0a\u53d6\u3063\u305f\u4eba<\/strong>\u300d\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([70, 100, 35, 82]<\/strong>);\r\n$filtered = $collection->filter(function($value, $key){\r\n\r\n    return ($value >= 80);\r\n\r\n})<\/strong>;\r\nprint_r($filtered->toArray());<\/pre>\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002\uff08\u30ad\u30fc\u304c\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n
Array\r\n(\r\n    [1]<\/strong> => 100\r\n    [3]<\/strong> => 82\r\n)\r\n<\/pre>\n
\u3061\u306a\u307f\u306b\u3001function(){ ... }<\/code>\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u6761\u4ef6\u5f0f\u3067 false \u306b\u306a\u308b\u3082\u306e\u304c\u5168\u3066\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', null, false, '', 0, []]<\/strong>);\r\n$filtered = $collection->filter()<\/strong>;\r\nprint_r($filtered->toArray());<\/pre>\n
Array\r\n(\r\n    [0] => \u9234\u6728\r\n    [1] => \u4f50\u85e4\r\n    [2] => \u7530\u4e2d\r\n)\r\n<\/pre>\n
first()\u3067\u6761\u4ef6\u306b\u5408\u3046\u6700\u521d\u306e\u30c7\u30fc\u30bf\u3060\u3051\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u300c\u30c6\u30b9\u30c8\u3067\u6700\u521d\u306b80\u70b9\u4ee5\u4e0a\u3060\u3063\u305f\u70b9\u6570<\/strong>\u300d\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([70, 50, 82<\/strong>, 35]);\r\necho $collection->first(function ($value, $key) {<\/strong>\r\n    \r\n    return ($value >= 80);<\/strong>\r\n    \r\n})<\/strong>; \/\/ 82<\/pre>\n
\u3082\u3061\u308d\u3093\u3001function(){ ... }<\/code>\u3092\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u4e00\u756a\u6700\u521d\u306e\u30c7\u30fc\u30bf\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/p>\n
$collection = collect([70<\/strong>, 50, 82, 35]);\r\necho $collection->first()<\/strong>; \/\/ 70<\/pre>\n
firstWhere()\u3067\u6761\u4ef6\u306b\u5408\u3046\u30c7\u30fc\u30bf\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
where()<\/a>\u306e\u3088\u3046\u306b\u300c\u6761\u4ef6\u306b\u5408\u3046\u6700\u521d\u306e\u30c7\u30fc\u30bf<\/strong>\u300d\u3092\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728'<\/strong>, 'age' => 20],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4'<\/strong>, 'age' => 22],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d'<\/strong>, 'age' => 30]\r\n]);\r\n$array = $collection->firstWhere('name', '\u9234\u6728')<\/strong>;\r\nprint_r($array);<\/pre>\n
\u3082\u3061\u308d\u3093\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'age' => 18<\/strong>],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'age' => 22<\/strong>],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'age' => 30<\/strong>]\r\n]);\r\n$array = $collection->firstWhere('age', '>', 20)<\/strong>;<\/pre>\n
\u3061\u306a\u307f\u306b\u3001\u6761\u4ef6\u306b\u5408\u3046\u3082\u306e\u304c\u306a\u3044\u5834\u5408\u306f\u7d50\u679c\u306f\u3001null<\/code>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
forPage()\u3092\u4f7f\u3063\u3066\u30da\u30fc\u30b8\u3054\u3068\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u300c\u73fe\u5728\u306e\u30da\u30fc\u30b8\u756a\u53f7<\/strong>\u300d\u3068\u300c\u4ef6\u6570<\/strong>\u300d\u3092\u6307\u5b9a\u3057\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']);\r\n$chunk = $collection->forPage(0, 3)<\/strong>;\r\nprint_r($chunk->toArray());<\/pre>\n
\u3053\u306e\u4f8b\u3067\u8a00\u3046\u3068\u3001\u30c7\u30fc\u30bf\u306e\uff10\u4ef6\u76ee\uff08\uff1d\u9234\u6728\uff09\u304b\u3089\uff13\u4ef6\u5206\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u3001\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [0] => \u9234\u6728\r\n    [1] => \u4f50\u85e4\r\n    [2] => \u7530\u4e2d\r\n)<\/pre>\n
implode()\u3067\u30c7\u30fc\u30bf\u3092\u7d50\u5408\u3057\u305f\u6587\u5b57\u5217\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u5024\u3092\u7d50\u5408\u3057\u3001\u6587\u5b57\u5217\u3068\u3057\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u540d\u524d\u3092\u300c\uff06\u300d\u3067\u7e4b\u3044\u3067\u7d50\u5408\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728'<\/strong>, 'age' => 20],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4'<\/strong>, 'age' => 23],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d'<\/strong>, 'age' => 30]\r\n]);\r\necho $collection->implode('name', ' \uff06 ')<\/strong>; \/\/ \u9234\u6728 \uff06 \u4f50\u85e4 \uff06 \u7530\u4e2d<\/pre>\n
\u3082\u3057\u3001\uff11\u6b21\u5143\u914d\u5217\u306e\u5834\u5408\u306f\u30ad\u30fc\u306f\u5fc5\u8981\u306a\u304f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7d50\u5408\u6587\u5b57\u3060\u3051\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d']);\r\necho $collection->implode(' \uff06 ')<\/strong>; \/\/ \u9234\u6728 \uff06 \u4f50\u85e4 \uff06 \u7530\u4e2d<\/pre>\n
join()\u3067\u30c7\u30fc\u30bf\u3092\u7d50\u5408\u3057\u305f\u6587\u5b57\u5217\u3092\u53d6\u5f97\u3059\u308b\uff08\u82f1\u6587\u6cd5\u7684\uff09<\/h2>\n
\u307b\u307c implode()<\/a> \u3068\u540c\u3058\u3067\u5024\u3092\u7d50\u5408\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u304c\u3001\u3053\u3061\u3089\u306f\u3088\u308a\u82f1\u6587\u6cd5\u3092\u8003\u616e\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u901a\u5e38\u306fimplode()<\/code>\u3092\u4f7f\u3046\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n
\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
echo collect(['\u3042', '\u3044', '\u3046', '\u3048', '\u304a'])->join('\u3001')<\/strong>;<\/pre>\n
\u3053\u306e\u5834\u5408\u3001\u300c\u3042\u3001\u3044\u3001\u3046\u3001\u3048\u3001\u304a\u300d\u304c\u51fa\u529b\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306e\u3067implode()<\/code>\u3068\u5168\u304f\u540c\u3058\u3067\u3059\u3002<\/p>\n
\u305f\u3060\u3001\u7b2c\uff12\u5f15\u6570\u3092\u4f7f\u3063\u305f\u5834\u5408\u306b\u9055\u3044\u304c\u82f1\u6587\u6cd5\u3078\u306e\u5bfe\u5fdc\u304c\u51fa\u307e\u3059\u3002<\/p>\n
echo collect(['A', 'B', 'C', 'D', 'E'])->join(',', ' and ')<\/strong>;<\/pre>\n
\u3053\u306e\u5834\u5408\u3001\u51fa\u529b\u3055\u308c\u308b\u306e\u306f\u300cA,B,C,D and E<\/strong>\u300d\u3068\u6700\u5f8c\u306e\u3064\u306a\u304e\u90e8\u5206\u3060\u3051and<\/code>\u304c\u9069\u7528\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3064\u307e\u308a\u3001\u65e5\u672c\u8a9e\u3067\u306f\u3042\u307e\u308a\u4f7f\u3044\u3069\u3053\u308d\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
Laravel 5.8.4 \u4ee5\u964d<\/em><\/p>\n
keys()\u3067\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u304b\u3089\u00a0id<\/code>\u3001\u00a0name<\/code>\u3001age<\/code>\u3068\u3044\u3046\u300c\u30ad\u30fc\u300d\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect([\r\n    'id'<\/strong> => 1,\r\n    'name'<\/strong> => '\u9234\u6728',\r\n    'age'<\/strong> => 20\r\n]);\r\n$keys = $collection->keys()<\/strong>;\r\nprint_r($keys->toArray()); \/\/ ['id', 'name', 'age']<\/pre>\n
\u3061\u306a\u307f\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u591a\u91cd\u914d\u5217\u306e\u5834\u5408\u3067\u3082\uff11\u6b21\u5143\u306e\u30ad\u30fc\u304c\u5168\u3066\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect([\r\n    'id'<\/strong> => 1,\r\n    'name'<\/strong> => '\u9234\u6728',\r\n    'age'<\/strong> => 20,\r\n    'hobbies'<\/strong> => [\r\n        '\u30d4\u30a2\u30ce',\r\n        '\u8aad\u66f8'\r\n    ]\r\n]);\r\n$keys = $collection->keys();<\/strong><\/pre>\n
\uff08\u5b9f\u884c\u7d50\u679c\uff09<\/p>\n
Array\r\n(\r\n    [0] => id<\/strong>\r\n    [1] => name<\/strong>\r\n    [2] => age<\/strong>\r\n    [3] => hobbies<\/strong>\r\n)<\/pre>\n
values()\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff06\u30ad\u30fc\u3092\u521d\u671f\u5316\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff06\u30ad\u30fc\u3092\u521d\u671f\u5316\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
$collection = collect([<\/strong>\r\n    2 => '\u9234\u6728',<\/strong>\r\n    5 => '\u4f50\u85e4',<\/strong>\r\n    10 => '\u7530\u4e2d',<\/strong>\r\n    4 => '\u5c71\u672c',<\/strong>\r\n    'name' => '\u85e4\u539f'<\/strong>\r\n]<\/strong>);\r\n$new_collection = $collection->values()<\/strong>;\r\nprint_r($new_collection->toArray());<\/pre>\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [0]<\/strong> => \u9234\u6728\r\n    [1]<\/strong> => \u4f50\u85e4\r\n    [2]<\/strong> => \u7530\u4e2d\r\n    [3]<\/strong> => \u5c71\u672c\r\n    [4]<\/strong> => \u85e4\u539f\r\n)<\/pre>\n
Collection<\/code>\u306b\u306f\u30ad\u30fc\u3092\u4fdd\u6301\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3082\u591a\u304f\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u30ad\u30fc\u3092\u306a\u3089\u3057\u305f\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u300c->\u300d\u3067\u3064\u306a\u3052\u3066values()<\/code>\u3092\u4f7f\u3046\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
$collection->slice(2, 2)->values();<\/strong><\/pre>\n
last()\u3067\u6700\u5f8c\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4e00\u756a\u6700\u5f8c\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f'<\/strong>]);\r\necho $collection->last()<\/strong>; \/\/ \u85e4\u539f<\/pre>\n
\u307e\u305f\u3001function(){ ... }<\/code>\u3092\u4f7f\u3048\u3070\u300c\u6761\u4ef6\u306b\u5408\u3046\u6700\u5f8c\u306e\u30c7\u30fc\u30bf\u300d\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
$collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'age' => 19],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'age' => 23],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'age' => 17],\r\n    ['id' => 4, 'name' => '\u5c71\u672c', 'age' => 25<\/strong>],\r\n    ['id' => 5, 'name' => '\u85e4\u539f', 'age' => 19],\r\n]);\r\n$array = $collection->last(function($item, $key){<\/strong>\r\n\r\n    return ($item['age'] >= 20); \/\/ 20\u6b73\u4ee5\u4e0a<\/strong>\r\n\r\n}<\/strong>);\r\nprint_r($array);<\/pre>\n
\u3053\u306e\u4f8b\u3067\u53d6\u5f97\u3067\u304d\u308b\u30c7\u30fc\u30bf\u306f\u3001\u5c71\u672c\u3055\u3093\u306e\u30c7\u30fc\u30bf\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
Array\r\n(\r\n    [id] => 4\r\n    [name] => \u5c71\u672c\r\n    [age] => 25<\/strong>\r\n)<\/pre>\n
reduce()\u3067\u30c7\u30fc\u30bf\u3092\u3072\u3068\u3064\u306b\u3057\u3066\u53d6\u5f97\u3059\u308b<\/h2>\n
\u4f8b\u3048\u3070\u3001\u5024\u3092\u4f7f\u3063\u3066\uff11\u3064\u306e\u6587\u5b57\u5217\u3092\u3064\u304f\u308a\u305f\u3044\u5834\u5408\u3067\u3059\u3002<\/p>\n
$collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d']<\/strong>);\r\necho $collection->reduce(function($carry, $item){<\/strong>\r\n\r\n    return $item .'\u3002'. $carry;<\/strong>\r\n\r\n})<\/strong>; \/\/ \u7530\u4e2d\u3002\u4f50\u85e4\u3002\u9234\u6728\u3002<\/pre>\n
\u4e0a\u306e\u4f8b\u3067\u3001$carry<\/code>\u306f\u6587\u5b57\u5217\u304c\u7d50\u5408\u3057\u3066\u3069\u3093\u3069\u3093\u9577\u304f\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u6642\u9593\u9806\u306b\u4e2d\u8eab\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \n
  1. \u9234\u6728\u3002<\/strong><\/li>\n
  2. \u4f50\u85e4\u3002\u9234\u6728\u3002<\/strong><\/li>\n
  3. \u7530\u4e2d\u3002\u4f50\u85e4\u3002\u9234\u6728\u3002<\/strong><\/li>\n<\/ol>\n
    \u3082\u3057\u521d\u671f\u306e\u30c7\u30fc\u30bf\u3092\u6c7a\u3081\u3066\u304a\u304d\u305f\u3044\u5834\u5408\u306f\u7b2c\uff12\u5f15\u6570\u3078\u5165\u308c\u307e\u3057\u3087\u3046\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d']);\r\necho $collection->reduce(function($carry, $item){\r\n\r\n    return $item .'\u3002'. $carry;\r\n\r\n}, '\u3067\u3059'<\/strong>); \/\/ \u7530\u4e2d\u3002\u4f50\u85e4\u3002\u9234\u6728\u3002\u3067\u3059<\/strong><\/pre>\n
    reject()\u3067\u6761\u4ef6\u306b\u5408\u308f\u306a\u3044\u3082\u306e\u3092\u9664\u5916\u3057\u3066\u30c7\u30fc\u30bf\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u4f8b\u3048\u3070\u3001\u300c20\u6b73\u672a\u6e80\u306e\u30c7\u30fc\u30bf\u3092\u9664\u5916\u3059\u308b<\/strong>\u300d\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'age' => 15],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'age' => 23],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'age' => 20],\r\n    ['id' => 4, 'name' => '\u5c71\u672c', 'age' => 19],\r\n    ['id' => 5, 'name' => '\u85e4\u539f', 'age' => 16],\r\n]);\r\n$filtered = $collection->reject(function($values, $key){<\/strong>\r\n\r\n    return ($values['age'] < 20); \/\/ 20\u6b73\u672a\u6e80\u306f\u300c\u9664\u5916\u300d<\/strong>\r\n\r\n})<\/strong>;\r\nprint_r($filtered->toArray());<\/pre>\n
    \u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [1] => Array\r\n        (\r\n            [id] => 2\r\n            [name] => \u4f50\u85e4\r\n            [age] => 23<\/strong>\r\n        )\r\n\r\n    [2] => Array\r\n        (\r\n            [id] => 3\r\n            [name] => \u7530\u4e2d\r\n            [age] => 20<\/strong>\r\n        )\r\n\r\n)\r\n<\/pre>\n
    \u203b\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u306e\u306f\u3001\u6761\u4ef6\u5f0f\u304c<\/strong>true<\/code>\u306b\u306a\u308b\u3082\u306e\u306f\u9664\u5916\u3055\u308c\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u82f1\u5358\u8a9e\u306b\u99b4\u67d3\u307f\u304c\u306a\u3044\u3068\u76f4\u611f\u7684\u306b\u306f<\/strong>false<\/code>\u306b\u3057\u3066\u3057\u307e\u3044\u305d\u3046\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u9006\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n
    random()\u3067\u30e9\u30f3\u30c0\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u4f8b\u3048\u3070\u3001\u30e9\u30f3\u30c0\u30e0\u306b\u540d\u524d\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u4f50\u85e4', '\u7530\u4e2d']);\r\necho $collection->random()<\/strong>; \/\/ \u4f8b\uff1a \u9234\u6728\uff08\u30e9\u30f3\u30c0\u30e0\u306b\u5909\u308f\u308b\uff09<\/pre>\n
    \u307e\u305f\u3001\u30c7\u30fc\u30bf\u3092\u8907\u6570\u53d6\u5f97\u3059\u308b\u5834\u5408\u306f\u5f15\u6570\u306b\u4ef6\u6570\u3092\u5165\u308c\u307e\u3059\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u4f50\u85e4', '\u7530\u4e2d']);\r\n$names = $collection->random(3)<\/strong>;\r\nprint_r($names->toArray());<\/pre>\n
    unique()\u3067\u91cd\u8907\u3057\u306a\u3044\u5024\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u4f8b\u3048\u3070\u3001\u91cd\u8907\u3057\u306a\u3044\u540d\u524d\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u4f50\u85e4', '\u7530\u4e2d']<\/strong>);\r\n$unique = $collection->unique()<\/strong>;\r\nprint_r($unique->toArray());<\/pre>\n
    \u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002\u5143\u30c7\u30fc\u30bf\u306e\u4e2d\u306b\u306f\u3001\u300c\u4f50\u85e4\u300d\u300c\u7530\u4e2d\u300d\u304c\u91cd\u8907\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u51e6\u7406\u5f8c\u306f\u3072\u3068\u3064\u3060\u3051\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [0] => \u9234\u6728\r\n    [1] => \u4f50\u85e4\r\n    [2] => \u7530\u4e2d\r\n)<\/pre>\n
    \u307e\u305f\u3001\u591a\u91cd\u914d\u5217\u306e\u5834\u5408\u306f\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u3084\u308b\u3053\u3068\u3067\u30e6\u30cb\u30fc\u30af\u306a\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728'<\/strong>, 'age' => 16],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4'<\/strong>, 'age' => 30],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d'<\/strong>, 'age' => 27],\r\n    ['id' => 4, 'name' => '\u4f50\u85e4'<\/strong>, 'age' => 35],\r\n    ['id' => 5, 'name' => '\u7530\u4e2d'<\/strong>, 'age' => 23],\r\n]);\r\n$unique = $collection->unique('name')<\/strong>;\r\nprint_r($unique->toArray());<\/pre>\n
    \u5b9f\u884c\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [0] => Array\r\n        (\r\n            [id] => 1\r\n            [name] => \u9234\u6728<\/strong>\r\n            [age] => 16\r\n        )\r\n\r\n    [1] => Array\r\n        (\r\n            [id] => 2\r\n            [name] => \u4f50\u85e4<\/strong>\r\n            [age] => 30\r\n        )\r\n\r\n    [2] => Array\r\n        (\r\n            [id] => 3\r\n            [name] => \u7530\u4e2d<\/strong>\r\n            [age] => 27\r\n        )\r\n\r\n)<\/pre>\n
    \u3055\u3089\u306b\u3001function(){ ... }<\/code>\u3092\u4f7f\u3048\u3070\u3088\u308a\u8907\u96d1\u306a\u30e6\u30cb\u30fc\u30af\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u300c\u540d\u524d\u300d+\u300c\u5e74\u9f62\u300d\u3067\u51e6\u7406\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'age' => 16],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'age' => 30],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'age' => 27<\/strong>],\r\n    ['id' => 4, 'name' => '\u4f50\u85e4', 'age' => 35],\r\n    ['id' => 5, 'name' => '\u7530\u4e2d', 'age' => 27<\/strong>],\r\n]);\r\n$unique = $collection->unique(function($item){<\/strong>\r\n\r\n    return $item['name'] .'-'. $item['age']; <\/strong>\/\/ \u4f8b\uff1a\u9234\u6728-16\r\n\r\n}<\/strong>);\r\nprint_r($unique->toArray());<\/pre>\n
    \u5b9f\u884c\u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002\u540d\u524d\u3068\u5e74\u9f62\u304c\u3068\u3082\u306b\u540c\u3058\uff12\u3064\u306e\u300c\u7530\u4e2d\u300d\u3055\u3093\u306f\u91cd\u8907\u3057\u3066\u3044\u308b\u3068\u307f\u306a\u3055\u308c\uff11\u3064\u306e\u30c7\u30fc\u30bf\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [0] => Array\r\n        (\r\n            [id] => 1\r\n            [name] => \u9234\u6728\r\n            [age] => 16\r\n        )\r\n\r\n    [1] => Array\r\n        (\r\n            [id] => 2\r\n            [name] => \u4f50\u85e4\r\n            [age] => 30\r\n        )\r\n\r\n    [2] => Array\r\n        (\r\n            [id] => 3\r\n            [name] => \u7530\u4e2d\r\n            [age] => 27\r\n        )\r\n\r\n    [3] => Array\r\n        (\r\n            [id] => 4\r\n            [name] => \u4f50\u85e4\r\n            [age] => 35\r\n        )\r\n\r\n)<\/pre>\n
    uniqueStrict()\u3067\u91cd\u8907\u3057\u306a\u3044\u5024\u3060\u3051\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    unique()\u3068\u307b\u307c\u540c\u3058\u3067\u3059\u304c\u3001\u91cd\u8907\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u969b\u306b\u3088\u308a\u53b3\u3057\u304f\u30c1\u30a7\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n
    \u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5909\u6570\u306e\u578b\u307e\u3067\u30c1\u30a7\u30c3\u30af\u3059\u308b\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
    if($a === $b<\/strong>) {}<\/pre>\n
    \u203b\u4f7f\u3044\u65b9\u306f\u540c\u3058\u306a\u306e\u3067\u524d\u9805\u76ee\u306eunique()<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
    unwrap()\u3067Collection\u306e\u5143\u306b\u306a\u3063\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u53ef\u80fd\u3067\u3042\u308c\u3070\u5143\u306b\u306a\u3063\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n
    $collection = Collection::unwrap(collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c']))<\/strong>;\r\nprint_r($collection);<\/pre>\n
    \u96c6\u8a08\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h1>\n
    count()\u3067\u30c7\u30fc\u30bf\u6570\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u3069\u308c\u3060\u3051\u306e\u8981\u7d20\u304c\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d']);\r\necho $collection->count()<\/strong>;  \/\/ 3<\/pre>\n
    countBy()\u3067\u500b\u5225\u306e\u30c7\u30fc\u30bf\u4ef6\u6570\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u4f8b\u3048\u3070\u3001\u540c\u3058\u5e74\u9f62\u304c\u4f55\u4eba\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3092\u96c6\u8a08\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $ages = [23, 27, 25, 20, 27, 27, 20]; \/\/ \u5e74\u9f62\r\n$counted = collect($ages)->countBy()<\/strong>;\r\nprint_r($counted->toArray());<\/pre>\n
    \u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [23] => 1\r\n    [27] => 3\r\n    [25] => 1\r\n    [20] => 2\r\n)<\/pre>\n
    \u307e\u305f\u3001countBy()<\/code>\u306f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u4f7f\u3046\u3053\u3068\u3067\u52a0\u5de5\u3057\u305f\u5f8c\u306e\u30c7\u30fc\u30bf\u3067\u96c6\u8a08\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    \u4f8b\u3048\u3070\u3001\u300c\u5e74\u9f62\u304c25\u624d\u4ee5\u4e0a\u304b\u305d\u3046\u3067\u306a\u3044\u304b<\/strong>\u300d\u3067\u5206\u3051\u3066\u96c6\u8a08\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
    $ages = [23, 27, 25, 20, 27, 27, 20]; \/\/ \u5e74\u9f62\r\n$counted = collect($ages)->countBy(function($age) {<\/strong>\r\n\r\n    if($age >= 25) {<\/strong>\r\n\r\n        return 'yes';<\/strong> \/\/ 25\u624d\u4ee5\u4e0a\u306e\u5834\u5408\r\n\r\n    } else {<\/strong>\r\n\r\n        return 'no';<\/strong>\/\/ 25\u624d\u672a\u6e80\u306e\u5834\u5408\r\n\r\n    }<\/strong>\r\n\r\n})<\/strong>;\r\nprint_r($counted->toArray());<\/pre>\n
    \u7d50\u679c\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [no] => 3\r\n    [yes] => 4\r\n)<\/pre>\n
    Laravel 5.8.3 \u4ee5\u964d<\/em><\/p>\n
    avg(), average()\u3067\u30c7\u30fc\u30bf\u306e\u5e73\u5747\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u30c7\u30fc\u30bf\u306e\u5e73\u5747\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 2, 3, 4, 5]);\r\necho $collection->avg()<\/strong>; \/\/ 3<\/pre>\n
    \u307e\u305f\u3001avg()<\/code>\u306f\u30ad\u30fc\u304c\u5165\u3063\u305f\u30c7\u30fc\u30bf\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u5f15\u6570\u306b\u5e73\u5747\u5024\u3092\u53d6\u5f97\u3057\u305f\u3044\u30ad\u30fc\u3092\u5165\u308c\u307e\u3057\u3087\u3046\u3002<\/p>\n
    $collection = collect([\r\n    ['name' => '\u9234\u6728', 'age' => 20<\/strong>],\r\n    ['name' => '\u4f50\u85e4', 'age' => 22<\/strong>],\r\n    ['name' => '\u7530\u4e2d', 'age' => 30<\/strong>]\r\n]);\r\necho $collection->avg('age')<\/strong>; \/\/ 24<\/pre>\n
    \u203bavg()<\/code>\u3068average()<\/code>\u306f\u540c\u3058\u3082\u306e\u3067\u3059\u3002<\/p>\n
    max()\u3067\u6700\u5927\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u30c7\u30fc\u30bf\u306e\u4e2d\u304b\u3089\u6700\u5927\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 2, 3, 4, 5]);\r\necho $collection->max()<\/strong>; \/\/ 5<\/pre>\n
    \u307e\u305f\u3001\u30ad\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['name' => '\u9234\u6728', 'age'<\/strong> => 20],\r\n    ['name' => '\u4f50\u85e4', 'age'<\/strong> => 22],\r\n    ['name' => '\u7530\u4e2d', 'age'<\/strong> => 30]\r\n]);\r\necho $collection->max('age'<\/strong>); \/\/ 30<\/pre>\n
    min()\u3067\u6700\u5c0f\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u30c7\u30fc\u30bf\u306e\u4e2d\u304b\u3089\u6700\u5c0f\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 2, 3, 4, 5]);\r\necho $collection->min()<\/strong>; \/\/ 1<\/pre>\n
    \u307e\u305f\u3001max()<\/a>\u3068\u540c\u3058\u304f\u30ad\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['name' => '\u9234\u6728', 'age'<\/strong> => 20],\r\n    ['name' => '\u4f50\u85e4', 'age'<\/strong> => 22],\r\n    ['name' => '\u7530\u4e2d', 'age'<\/strong> => 30]\r\n]);\r\necho $collection->min('age'<\/strong>); \/\/ 20<\/pre>\n
    sum()\u3067\u5408\u8a08\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u5168\u30c7\u30fc\u30bf\u306e\u5408\u8a08\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 2, 3, 4, 5]<\/strong>);\r\necho $collection->sum(); \/\/ 15<\/strong><\/pre>\n
    \u307e\u305f\u3001\u591a\u91cd\u914d\u5217\u306e\u5834\u5408\u306f\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u5408\u8a08\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u70b9\u6570\u306e\u5408\u8a08\u5024\u3092\u53d6\u5f97\u3059\u308b\u4f8b\u3067\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'score' => 83<\/strong>],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'score' => 67<\/strong>],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'score' => 98<\/strong>],\r\n    ['id' => 4, 'name' => '\u5c71\u672c', 'score' => 32<\/strong>],\r\n    ['id' => 5, 'name' => '\u85e4\u539f', 'score' => 45<\/strong>],\r\n]);\r\necho $collection->sum('score')<\/strong>; \/\/ 325<\/pre>\n
    \u3055\u3089\u306b\u3001function(){ ... }<\/code>\u3092\u4f7f\u3046\u3068\u3088\u308a\u8907\u96d1\u306a\u5408\u8a08\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u70b9\u6570\u306e2\u4e57\u3092\u5408\u8a08\u3057\u305f\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'score' => 83],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'score' => 67],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'score' => 98],\r\n    ['id' => 4, 'name' => '\u5c71\u672c', 'score' => 32],\r\n    ['id' => 5, 'name' => '\u85e4\u539f', 'score' => 45],\r\n]);\r\necho $collection->sum(function($item){<\/strong>\r\n\r\n    return pow($item['score'], 2);<\/strong>\r\n\r\n}<\/strong>); \/\/ 24031<\/pre>\n
    median()\u3067\u4e2d\u592e\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u30c7\u30fc\u30bf\u306e\u4e2d\u592e\u5024<\/a>\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 3, 5]);\r\necho $collection->median()<\/strong>; \/\/ 3<\/pre>\n
    \u306a\u304a\u3001\u591a\u91cd\u914d\u5217\u306e\u5834\u5408\u306f\u30ad\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['age' => 17],\r\n    ['age' => 23],\r\n    ['age' => 30],\r\n    ['age' => 19],\r\n    ['age' => 5],\r\n]);\r\necho $collection->median('age')<\/strong>; \/\/ 19<\/pre>\n
    mode()\u3067\u6700\u983b\u5024\uff08\u30e2\u30fc\u30c9\uff09\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u30c7\u30fc\u30bf\u304b\u3089\u6700\u983b\u5024<\/a>\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 1, 2, 4]);\r\nprint_r($collection->mode()<\/strong>);<\/pre>\n
    \u307e\u305f\u3001\u591a\u91cd\u914d\u5217\u306e\u5834\u5408\u306f\u30ad\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['age'<\/strong> => 10],\r\n    ['age'<\/strong> => 10],\r\n    ['age'<\/strong> => 20],\r\n    ['age'<\/strong> => 40]\r\n]);\r\nprint_r($collection->mode('age')<\/strong>);<\/pre>\n
    nth()\u3067n\u756a\u76ee\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u3042\u308b\u500d\u6570\u3054\u3068\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u53d6\u5f97\u3057\u307e\u3059\u3002\uff08\u3064\u307e\u308a\u30a4\u30f3\u30c7\u30c3\u30af\u30b90<\/code>\u756a\u76ee\u3082\u5165\u308a\u307e\u3059\uff09<\/p>\n
    $collection = collect([1<\/strong>, 2, 3, 4<\/strong>, 5, 6, 7<\/strong>, 8, 9, 10<\/strong>]);\r\n$new_collection = $collection->nth(3)<\/strong>;\r\nprint_r($new_collection->toArray());<\/pre>\n
    \u3053\u308c\u3092\u5b9f\u884c\u3057\u305f\u3082\u306e\u304c\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
    Array\r\n(\r\n    [0] => 1\r\n    [1] => 4\r\n    [2] => 7\r\n    [3] => 10\r\n)<\/pre>\n
    search()\u3067\u6307\u5b9a\u3057\u305f\u5024\u306e\u30ad\u30fc\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u4f8b\u3048\u3070\u3001\u305f\u304f\u3055\u3093\u3042\u308b\u540d\u524d\u306e\u4e2d\u304b\u3089\u300c\u7530\u4e2d<\/strong>\u300d\u3055\u3093\u304c\u4f55\u756a\u76ee\u304b\u3092\u77e5\u308a\u305f\u3044\u3068\u304d\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']<\/strong>);\r\necho $collection->search('\u7530\u4e2d')<\/strong>; \/\/ 2<\/pre>\n
    \u3053\u306e\u5834\u5408\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u3064\u307e\u308a\u30bc\u30ed\u304b\u3089\u59cb\u307e\u308b\u6570\u5b57\u306b\u306a\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
    \u307e\u305f\u5024\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306ffalse<\/code>\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n
    $collection = collect(['\u9234\u6728', '\u4f50\u85e4', '\u7530\u4e2d', '\u5c71\u672c', '\u85e4\u539f']<\/strong>);\r\n$collection->search('\u52a0\u85e4')<\/strong>; \/\/ false<\/pre>\n
    \u3055\u3089\u306b\u3001\u300c\u30c7\u30fc\u30bf\u306e\u578b\u300d\u307e\u3067\u8003\u616e\u3057\u305f\u6bd4\u8f03\u3092\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7b2c2\u5f15\u6570\u3092true<\/code>\u306b\u3057\u307e\u3059\u3002<\/p>\n
    $collection = collect([1, 2, 3, 4, 5]);\r\necho $collection->search('1', true)<\/strong>; \/\/ \u6587\u5b57\u5217\u306a\u306e\u3067\u898b\u3064\u304b\u3089\u306a\u3044<\/pre>\n
    \u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306aif<\/code>\u6587\u3092\u601d\u3044\u6d6e\u304b\u3079\u308b\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
    if($a === $b<\/strong>) {}<\/pre>\n
    \u306a\u304a\u3001search()<\/code>\u306b\u306ffunction(){ ... }<\/code>\u3092\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u307020\u6b73\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u3092\u63a2\u3059\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $collection = collect([\r\n    ['id' => 1, 'name' => '\u9234\u6728', 'age' => 15],\r\n    ['id' => 2, 'name' => '\u4f50\u85e4', 'age' => 23<\/strong>],\r\n    ['id' => 3, 'name' => '\u7530\u4e2d', 'age' => 20],\r\n    ['id' => 4, 'name' => '\u5c71\u672c', 'age' => 19],\r\n    ['id' => 5, 'name' => '\u85e4\u539f', 'age' => 16],\r\n]);\r\necho $collection->search(function($item, $key){<\/strong>\r\n\r\n    return ($item['age'] >= 20); \/\/ 20\u624d\u4ee5\u4e0a<\/strong>\r\n\r\n})<\/strong>; \/\/ 1\uff082\u756a\u3081\u306e\u30c7\u30fc\u30bf\uff09<\/pre>\n
    duplicates()\u3067\u91cd\u8907\u3059\u308b\u5024\u3092\u53d6\u5f97\u3059\u308b<\/h2>\n
    \u4f8b\u3048\u3070\u3001\u3042\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u4e2d\u306e\u300c\u3069\u306e\u4f4d\u7f6e\u3067\u91cd\u8907\u3057\u305f\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u304b<\/strong>\u300d\u3092\u96c6\u8a08\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n
    $names = [\r\n    '\u5c71\u7530\u592a\u90ce', \/\/ 0\r\n    '\u4f50\u85e4\u6b21\u90ce', \/\/ 1\r\n    '\u4f50\u85e4\u6b21\u90ce', \/\/ 2\r\n    '\u5c71\u7530\u592a\u90ce', \/\/ 3\r\n    '\u7530\u4e2d\u4e09\u90ce', \/\/ 4\r\n    '\u5c71\u7530\u592a\u90ce', \/\/ 5\r\n];\r\n$collection = collect($names)->duplicates()<\/strong>;\r\nprint_r($collection->toArray());<\/pre>\n
    \u3053\u306e\u5834\u5408\u3001\u91cd\u8907\u304c\u898b\u3064\u304b\u308b\u5834\u6240\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n