Laravel\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u6398\u308a\u4e0b\u3052\u30b7\u30ea\u30fc\u30ba\u7b2c\u4e03\u5f3e\u3002\u4eca\u56de\u306f\u672c\u4f53\u914d\u5217\u306e\u69cb\u9020\u3092\u5909\u63db\u3059\u308b\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u3057\u3066\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([1,2,3,4,5]);\n$col2 = $col1->chunk(2);<\/code><\/pre>\n\n\n\n\u6307\u5b9a\u306e\u6570\u3054\u3068\u306b\u8981\u7d20\u3092\u5206\u5272\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => array:2 [\n 0 => 1\n 1 => 2\n ]\n 1 => array:2 [\n 2 => 3\n 3 => 4\n ]\n 2 => array:1 [\n 4 => 5\n ]\n]<\/code><\/pre>\n\n\n\n\u4f8b\u306b\u3088\u3063\u3066\u9023\u60f3\u914d\u5217\u306b\u3082\u9069\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => 1,\n 'b' => 2,\n 'c' => 3,\n 'd' => 4,\n 'e' => 5\n]);\n$col2 = $col1->chunk(2);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => array:2 [\n \"a\" => 1\n \"b\" => 2\n ]\n 1 => array:2 [\n \"c\" => 3\n \"d\" => 4\n ]\n 2 => array:1 [\n \"e\" => 5\n ]\n]<\/code><\/pre>\n\n\n\n\u3053\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u304c\u3002<\/p>\n\n\n\n
collapse<\/h2>\n\n\n\n$col1 = collect([\n [1,2],\n [3,4,5],\n [6]\n]);\n$col2 = $col1->collapse();<\/code><\/pre>\n\n\n\n\u4e8c\u6b21\u5143\u914d\u5217\u3092\u4e00\u6b21\u5143\u914d\u5217\u306b\u5909\u63db\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:6 [\n 0 => 1\n 1 => 2\n 2 => 3\n 3 => 4\n 4 => 5\n 5 => 6\n]<\/code><\/pre>\n\n\n\n\u591a\u6b21\u5143\u914d\u5217\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
$col1 = collect([\n [\n 1,\n 2,\n ],\n [\n [3,4,5],\n [6],\n ],\n]);\n$col2 = $col1->collapse();<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => 1\n 1 => 2\n 2 => array:3 [\n 0 => 3\n 1 => 4\n 2 => 5\n ]\n 3 => array:1 [\n 0 => 6\n ]\n]<\/code><\/pre>\n\n\n\n\u3042\u304f\u307e\u3067\u4e8c\u6b21\u5143\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u304c\u4e00\u6b21\u5143\u76ee\u306b\u4e26\u3079\u3089\u308c\u308b\u3068\u8a00\u3046\u3053\u3068\u3067\u3042\u3063\u3066\u3001\u591a\u6b21\u5143\u914d\u5217\u306e\u69d8\u3005\u306a\u6df1\u5ea6\u306e\u8981\u7d20\u304c\u30d5\u30e9\u30c3\u30c8\u306b\u4e26\u3079\u3089\u308c\u308b\u3068\u8a00\u3046\u3053\u3068\u3067\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
\u3082\u3057\u5909\u63db\u524d\u306e\u591a\u6b21\u5143\u914d\u5217\u306e\u4e00\u6b21\u5143\u76ee\u306b\u914d\u5217\u4ee5\u5916\u306e\u8981\u7d20\u304c\u5b58\u5728\u3057\u305f\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n\n
$col1 = collect([\n 1,\n 2,\n [3,4,5],\n [6],\n]);\n$col2 = $col1->collapse();<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => 3\n 1 => 4\n 2 => 5\n 3 => 6\n]<\/code><\/pre>\n\n\n\n\u3042\u304f\u307e\u3067\u5bfe\u8c61\u306f\u4e8c\u6b21\u5143\u76ee\u306e\u8981\u7d20\u3067\u3042\u308a\u3001\u4e00\u6b21\u5143\u76ee\u306f\u6368\u3066\u3089\u308c\u3066\u3057\u307e\u3046\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
\u3064\u3044\u3067\u306b\u591a\u6b21\u5143\u306e\u9023\u60f3\u914d\u5217\u3082\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => 1,\n 'b' => [\n 'b-1' => 2,\n ],\n 'c' => [\n 'c-1' => [\n 'c-1-1' => 3,\n 'c-1-2' => 4,\n 'c-1-3' => 5,\n ],\n ]\n]);\n$col2 = $col1->collapse(2);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n \"b-1\" => 2\n \"c-1\" => array:3 [\n \"c-1-1\" => 3\n \"c-1-2\" => 4\n \"c-1-3\" => 5\n ]\n]<\/code><\/pre>\n\n\n\n\u7c9b\u3005\u3068\u4e8c\u6b21\u5143\u76ee\u306e\u8981\u7d20\u3092\u30ad\u30fc\u3082\u542b\u3081\u3066\u4e00\u6b21\u5143\u76ee\u306b\u4e26\u3079\u76f4\u3059\u306e\u307f\u3067\u3059\u306d\u3002<\/p>\n\n\n\n
combine<\/h2>\n\n\n\n$col1 = collect(['a','b']);\n$col2 = $col1->combine(['1','2']);<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306b\u3042\u308b\u8981\u7d20\u3092\u30ad\u30fc\u3068\u3057\u3001\u5f15\u6570\u3067\u4e0e\u3048\u3089\u308c\u305f\u914d\u5217\u306e\u5024\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u65b0\u305f\u306a\u9023\u60f3\u914d\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n \"a\" => \"1\"\n \"b\" => \"2\"\n]<\/code><\/pre>\n\n\n\n\u306a\u304a\u672c\u4f53\u914d\u5217\u3068\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u914d\u5217\u306e\u8981\u7d20\u6570\u304c\u5408\u3063\u3066\u3044\u306a\u3044\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
crossJoin<\/h2>\n\n\n\n$col1 = collect(['a','b']);\n$col2 = $col1->crossJoin(['1','2']);<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306b\u5bfe\u3057\u3066\u5f15\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f\u914d\u5217\u306e\u8981\u7d20\u3068\u306e\u5168\u7d44\u307f\u5408\u308f\u305b\u3092\u6301\u3064\u591a\u6b21\u5143\u914d\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => \"1\"\n ]\n 1 => array:2 [\n 0 => \"a\"\n 1 => \"2\"\n ]\n 2 => array:2 [\n 0 => \"b\"\n 1 => \"1\"\n ]\n 3 => array:2 [\n 0 => \"b\"\n 1 => \"2\"\n ]\n]<\/code><\/pre>\n\n\n\n\u5f15\u6570\u3067\u6307\u5b9a\u3059\u308b\u914d\u5217\u304c\u591a\u6b21\u5143\u3060\u3063\u305f\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n\n
$col1 = collect(['a','b']);\n$col2 = $col1->crossJoin([\n ['1','2'],\n ['3','4']\n]);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => array:2 [\n 0 => \"1\"\n 1 => \"2\"\n ]\n ]\n 1 => array:2 [\n 0 => \"a\"\n 1 => array:2 [\n 0 => \"3\"\n 1 => \"4\"\n ]\n ]\n 2 => array:2 [\n 0 => \"b\"\n 1 => array:2 [\n 0 => \"1\"\n 1 => \"2\"\n ]\n ]\n 3 => array:2 [\n 0 => \"b\"\n 1 => array:2 [\n 0 => \"3\"\n 1 => \"4\"\n ]\n ]\n]<\/code><\/pre>\n\n\n\n\u3042\u304f\u307e\u3067\u4e00\u6b21\u5143\u76ee\u306e\u8981\u7d20\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u4f5c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
\u4e00\u5fdc\u672c\u4f53\u914d\u5217\u304c\u591a\u6b21\u5143\u306e\u5834\u5408\u3082\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n ['a','b'],\n ['c','d']\n]);\n$col2 = $col1->crossJoin(['1','2']);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => array:2 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => \"b\"\n ]\n 1 => \"1\"\n ]\n 1 => array:2 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => \"b\"\n ]\n 1 => \"2\"\n ]\n 2 => array:2 [\n 0 => array:2 [\n 0 => \"c\"\n 1 => \"d\"\n ]\n 1 => \"1\"\n ]\n 3 => array:2 [\n 0 => array:2 [\n 0 => \"c\"\n 1 => \"d\"\n ]\n 1 => \"2\"\n ]\n]<\/code><\/pre>\n\n\n\n\u307e\u3041\u3001\u305d\u3046\u3067\u3057\u3087\u3046\u306d\u3002<\/p>\n\n\n\n
\u4e21\u65b9\u591a\u6b21\u5143\u306e\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
$col1 = collect([\n ['a','b'],\n ['c','d']\n]);\n$col2 = $col1->crossJoin([\n ['1','2'],\n ['3','4']\n]);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => array:2 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => \"b\"\n ]\n 1 => array:2 [\n 0 => \"1\"\n 1 => \"2\"\n ]\n ]\n 1 => array:2 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => \"b\"\n ]\n 1 => array:2 [\n 0 => \"3\"\n 1 => \"4\"\n ]\n ]\n 2 => array:2 [\n 0 => array:2 [\n 0 => \"c\"\n 1 => \"d\"\n ]\n 1 => array:2 [\n 0 => \"1\"\n 1 => \"2\"\n ]\n ]\n 3 => array:2 [\n 0 => array:2 [\n 0 => \"c\"\n 1 => \"d\"\n ]\n 1 => array:2 [\n 0 => \"3\"\n 1 => \"4\"\n ]\n ]\n]<\/code><\/pre>\n\n\n\n\u3084\u306f\u308a\u4e00\u6b21\u5143\u3067\u306e\u7d44\u307f\u5408\u308f\u305b\u3057\u304b\u884c\u308f\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u306a\u304a\u3001\u5f15\u6570\u3067\u4e0e\u3048\u308b\u914d\u5217\u306f\u8907\u6570\u6307\u5b9a\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
$col1 = collect(['a','b']);\n$col2 = $col1->crossJoin(\n ['A','B'],\n ['1','2'],\n ['#','$'],\n);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:16 [\n 0 => array:4 [\n 0 => \"a\"\n 1 => \"A\"\n 2 => \"1\"\n 3 => \"#\"\n ]\n 1 => array:4 [\n 0 => \"a\"\n 1 => \"A\"\n 2 => \"1\"\n 3 => \"$\"\n ]\n 2 => array:4 [\n 0 => \"a\"\n 1 => \"A\"\n 2 => \"2\"\n 3 => \"#\"\n ]\n 3 => array:4 [\n 0 => \"a\"\n 1 => \"A\"\n 2 => \"2\"\n 3 => \"$\"\n ]\n 4 => array:4 [\n 0 => \"a\"\n 1 => \"B\"\n 2 => \"1\"\n 3 => \"#\"\n ]\n 5 => array:4 [\n 0 => \"a\"\n 1 => \"B\"\n 2 => \"1\"\n 3 => \"$\"\n ]\n 6 => array:4 [\n 0 => \"a\"\n 1 => \"B\"\n 2 => \"2\"\n 3 => \"#\"\n ]\n 7 => array:4 [\n 0 => \"a\"\n 1 => \"B\"\n 2 => \"2\"\n 3 => \"$\"\n ]\n 8 => array:4 [\n 0 => \"b\"\n 1 => \"A\"\n 2 => \"1\"\n 3 => \"#\"\n ]\n 9 => array:4 [\n 0 => \"b\"\n 1 => \"A\"\n 2 => \"1\"\n 3 => \"$\"\n ]\n 10 => array:4 [\n 0 => \"b\"\n 1 => \"A\"\n 2 => \"2\"\n 3 => \"#\"\n ]\n 11 => array:4 [\n 0 => \"b\"\n 1 => \"A\"\n 2 => \"2\"\n 3 => \"$\"\n ]\n 12 => array:4 [\n 0 => \"b\"\n 1 => \"B\"\n 2 => \"1\"\n 3 => \"#\"\n ]\n 13 => array:4 [\n 0 => \"b\"\n 1 => \"B\"\n 2 => \"1\"\n 3 => \"$\"\n ]\n 14 => array:4 [\n 0 => \"b\"\n 1 => \"B\"\n 2 => \"2\"\n 3 => \"#\"\n ]\n 15 => array:4 [\n 0 => \"b\"\n 1 => \"B\"\n 2 => \"2\"\n 3 => \"$\"\n ]\n]<\/code><\/pre>\n\n\n\n\u4f7f\u3063\u305f\u3053\u3068\u306f\u306a\u3044\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3059\u304c\u3001\u4f7f\u3048\u308b\u4e88\u611f\u306f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
flatMap<\/h2>\n\n\n\n$col1 = collect([1,2,3]);\n$col2 = $col1->flatMap(function($value) {\n return [$value * $value];\n});<\/code><\/pre>\n\n\n\n\u5168\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u547c\u3073\u51fa\u3057\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5185\u3067\u306e\u52a0\u5de5\u7d50\u679c\u306b\u3088\u308b\u65b0\u3057\u3044\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u623b\u308a\u304c\u914d\u5217\u578b\u3067\u3042\u308b\u3053\u3068\u304c\u5fc5\u8981\u306a\u70b9\u304c\u8981\u6ce8\u610f\u3067\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => 1\n 1 => 4\n 2 => 9\n]<\/code><\/pre>\n\n\n\n\u3061\u3087\u3063\u3068\u5206\u304b\u308a\u96e3\u3044\u306e\u3067\u3059\u304c\u3001\u5f62\u5f0f\u306f\u914d\u5217\u3067\u8fd4\u3057\u3064\u3064\u3082\u3001\u305d\u306e\u5024\u306e\u307f\u304c\u5143\u306e\u30ad\u30fc\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff09\u306e\u8981\u7d20\u306b\u53cd\u6620\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u623b\u308a\u304c\u914d\u5217\u578b\u3068\u306a\u308b\u3068\u8a00\u3046\u3053\u3068\u3067\u30ad\u30fc\u306e\u6307\u5b9a\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002
\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => 1,\n 'b' => 2,\n 'c' => 3\n]);\n$col2 = $col1->flatMap(function($value, $key) {\n return [$key.$key => $value * $value];\n});<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"aa\" => 1\n \"bb\" => 4\n \"cc\" => 9\n]<\/code><\/pre>\n\n\n\n\u623b\u308a\u914d\u5217\u306b\u660e\u793a\u7684\u306b\u30ad\u30fc\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u305d\u306e\u30ad\u30fc\u3068\u5024\u304c\u30bb\u30c3\u30c8\u3067\u63a1\u7528\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
\u3068\u8a00\u3046\u3053\u3068\u3067\u3059\u304c\u3001\u4f55\u304b\u76f4\u611f\u7684\u306b\u5206\u304b\u308a\u96e3\u3044\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u3088\u3046\u306b\u601d\u3044\u307e\u3059\u3002
\u5404\u8981\u7d20\u306b\u95a2\u3057\u3066\u500b\u5225\u306b\u52a0\u5de5\u3057\u305f\u7d50\u679c\u304b\u3089\u65b0\u3057\u3044\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u306f\u5f8c\u8ff0\u3059\u308bmap\u306e\u65b9\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u306b\u601d\u3044\u307e\u3059\uff08\u500b\u4eba\u7684\u306b\u306fmap\u306e\u65b9\u3092\u611b\u7528\u3057\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n\n\n\n
flatten<\/h2>\n\n\n\n$col1 = collect([\n [1,2],\n [3,4]\n]);\n$col2 = $col1->flatten();<\/code><\/pre>\n\n\n\n\u591a\u6b21\u5143\u9023\u60f3\u914d\u5217\u3092\u4e00\u6b21\u5143\u914d\u5217\u306b\u52a0\u5de5\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => 1\n 1 => 2\n 2 => 3\n 3 => 4\n]<\/code><\/pre>\n\n\n\n\u968e\u5c64\u304c\u6df1\u304f\u3066\u3082\u307e\u3068\u3081\u3066\u4e00\u6b21\u5143\u5316\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => [\n 'a-1' => 1,\n 'a-2' => [\n 'a-2-1' => 2,\n 'a-2-2' => 3,\n ],\n ],\n 'b' => [\n 'b-1' => 4,\n 'b-2' => [\n 'b-2-1' => 5,\n 'b-2-2' => 6,\n ],\n ],\n]);\n$col2 = $col1->flatten();<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:6 [\n 0 => 1\n 1 => 2\n 2 => 3\n 3 => 4\n 4 => 5\n 5 => 6\n]<\/code><\/pre>\n\n\n\n\u4e0a\u8a18\u306e\u901a\u308a\u3001\u5143\u306e\u914d\u5217\u304c\u9023\u60f3\u914d\u5217\u3067\u3042\u3063\u305f\u5834\u5408\u3067\u3082\u30ad\u30fc\u306f\u7121\u8996\u3055\u308c\u3066\u5358\u7d14\u306a\u4e00\u6b21\u5143\u914d\u5217\uff08\u30ad\u30fc\u306f\u9023\u756a\uff09\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u306a\u304a\u3001\u5f15\u6570\u3067\u6e1b\u3089\u3059\u6b21\u5143\u3092\u6307\u5b9a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002
\u5148\u306e\u4f8b\u3068\u540c\u3058\u672c\u4f53\u914d\u5217\u306b\u5bfe\u3057\u3066\u6b21\u5143\u6307\u5b9a\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => [\n 'a-1' => 1,\n 'a-2' => [\n 'a-2-1' => 2,\n 'a-2-2' => 3,\n ],\n ],\n 'b' => [\n 'b-1' => 4,\n 'b-2' => [\n 'b-2-1' => 5,\n 'b-2-2' => 6,\n ],\n ],\n]);\n$col2 = $col1->flatten(1);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => 1\n 1 => array:2 [\n \"a-2-1\" => 2\n \"a-2-2\" => 3\n ]\n 2 => 4\n 3 => array:2 [\n \"b-2-1\" => 5\n \"b-2-2\" => 6\n ]\n]<\/code><\/pre>\n\n\n\n\u306a\u304a\u3001\u6b21\u5143\u6570\u3068\u3057\u30662\uff08\u672c\u4f53\u914d\u5217\u306e\u30cd\u30b9\u30c8\u306e\u6700\u6df1\u5ea6\uff09\u3092\u6307\u5b9a\u3059\u308b\u3068\u6b21\u5143\u6570\u3092\u6307\u5b9a\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3068\u540c\u3058\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3057\u3001\u5b9f\u969b\u306e\u6b21\u5143\u6570\u4ee5\u4e0a\uff08\u672c\u30b1\u30fc\u30b9\u3067\u306f3\u4ee5\u4e0a\uff09\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3082\u30a8\u30e9\u30fc\u306b\u306f\u306a\u3089\u305a\u3001\u5f15\u6570\u3092\u6307\u5b9a\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3068\u540c\u3058\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
flip<\/h2>\n\n\n\n$col1 = collect([\n 'a' => 1,\n 'b' => 2,\n]);\n$col2 = $col1->flip();<\/code><\/pre>\n\n\n\n\u30ad\u30fc\u3068\u5024\u3092\u5165\u308c\u66ff\u3048\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n 1 => \"a\"\n 2 => \"b\"\n]<\/code><\/pre>\n\n\n\n\u5f53\u7136\u306a\u304c\u3089\u3001\u8981\u7d20\u306f\u6570\u5024\u304b\u6587\u5b57\u5217\u3067\u3042\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u914d\u5217\u7b49\u306e\u5834\u5408\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
groupBy<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'a', \n ],\n]);\n$col2 = $col1->groupBy('attr2');<\/code><\/pre>\n\n\n\n\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u306e\u5024\u3092\u65b0\u305f\u306a\u30ad\u30fc\u3068\u3057\u3066\u3001\u305d\u306e\u5024\u304c\u540c\u3058\u8981\u7d20\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u65b0\u3057\u3044\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:2 [\n \"a\" => array:2 [\n 0 => array:2 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n ]\n 1 => array:2 [\n \"attr1\" => 3\n \"attr2\" => \"a\"\n ]\n ]\n \"b\" => array:1 [\n 0 => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n ]\n]<\/code><\/pre>\n\n\n\n\u4e0a\u8a18\u306e\u901a\u308a\u3001\u672c\u4f53\u914d\u5217\u306e\u4e00\u6b21\u5143\u76ee\u306e\u30ad\u30fc\u306f\u7121\u8996\u3055\u308c\u307e\u3059\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002
\u30ad\u30fc\u3092\u4fdd\u6301\u3057\u305f\u3044\u5834\u5408\u306f\u7b2c\u4e8c\u5f15\u6570\u306btrue\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\u305d\u306e\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
array:2 [\n \"a\" => array:2 [\n \"key1\" => array:2 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n ]\n \"key3\" => array:2 [\n \"attr1\" => 3\n \"attr2\" => \"a\"\n ]\n ]\n \"b\" => array:1 [\n \"key2\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n ]\n]<\/code><\/pre>\n\n\n\n\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u8981\u7d20\u306b\u5bfe\u3059\u308b\u65b0\u898f\u30ad\u30fc\u306e\u5024\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n ],\n 'key2' => [\n 'attr1' => 2,\n ],\n 'key3' => [\n 'attr1' => 3,\n ],\n 'key4' => [\n 'attr1' => 4,\n ],\n]);\n$col2 = $col1->groupBy(function($value) {\n return $value['attr1'] % 2;\n});<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n 1 => array:2 [\n 0 => array:1 [\n \"attr1\" => 1\n ]\n 1 => array:1 [\n \"attr1\" => 3\n ]\n ]\n 0 => array:2 [\n 0 => array:1 [\n \"attr1\" => 2\n ]\n 1 => array:1 [\n \"attr1\" => 4\n ]\n ]\n]<\/code><\/pre>\n\n\n\n\u8907\u6570\u306e\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002
\u305d\u306e\u5834\u5408\u306f\u7b2c\u4e00\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u6761\u4ef6\u3092\u914d\u5217\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u914d\u5217\u306b\u306f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n [\n 'name' => 'taro',\n 'age' => 38,\n 'hobby' => '\u8aad\u66f8',\n ],\n [\n 'name' => 'jiro',\n 'age' => 53,\n 'hobby' => '\u65c5\u884c',\n ],\n [\n 'name' => 'saburo',\n 'age' => 44,\n 'hobby' => '\u8aad\u66f8',\n ],\n [\n 'name' => 'shiro',\n 'age' => 31,\n 'hobby' => '\u8aad\u66f8',\n ],\n]);\n$col2 = $col1->groupBy([\n 'hobby',\n function($value) {\n return (int)floor($value['age'] \/ 10) * 10;\n }\n]);<\/code><\/pre>\n\n\n\n\u300chobby\u300d\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u5f8c\u306b\u3001\u3055\u3089\u306b\u305d\u306e\u4e2d\u3092\u5e74\u4ee3\u3067\u5206\u3051\u308b\u51e6\u7406\u3067\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n \"\u8aad\u66f8\" => array:2 [\n 30 => array:2 [\n 0 => array:3 [\n \"name\" => \"taro\"\n \"age\" => 38\n \"hobby\" => \"\u8aad\u66f8\"\n ]\n 1 => array:3 [\n \"name\" => \"shiro\"\n \"age\" => 31\n \"hobby\" => \"\u8aad\u66f8\"\n ]\n ]\n 40 => array:1 [\n 0 => array:3 [\n \"name\" => \"saburo\"\n \"age\" => 44\n \"hobby\" => \"\u8aad\u66f8\"\n ]\n ]\n ]\n \"\u65c5\u884c\" => array:1 [\n 50 => array:1 [\n 0 => array:3 [\n \"name\" => \"jiro\"\n \"age\" => 53\n \"hobby\" => \"\u65c5\u884c\"\n ]\n ]\n ]\n]<\/code><\/pre>\n\n\n\nkeyBy<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->keyBy('attr2');<\/code><\/pre>\n\n\n\n\u6307\u5b9a\u3057\u305f\u8981\u7d20\u306e\u5024\u3092\u30ad\u30fc\u3068\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a\" => array:2 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n ]\n \"b\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n \"c\" => array:2 [\n \"attr1\" => 3\n \"attr2\" => \"c\"\n ]\n]<\/code><\/pre>\n\n\n\ngroupBy\u3068\u306f\u7570\u306a\u308a\u540c\u3058\u30ad\u30fc\u3068\u306a\u308b\u8981\u7d20\u304c\u8907\u6570\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u554f\u984c\u3068\u306a\u308b\u8a33\u3067\u3001\u305d\u306e\u5834\u5408\u306f\u6700\u5f8c\u306e\u8981\u7d20\u304c\u63a1\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'a', \n ],\n]);\n$col2 = $col1->keyBy('attr2');<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n \"a\" => array:2 [\n \"attr1\" => 3\n \"attr2\" => \"a\"\n ]\n \"b\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n]<\/code><\/pre>\n\n\n\n\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u6307\u5b9a\u3057\u3066\u30ad\u30fc\u306e\u5024\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'a', \n ],\n]);\n$col2 = $col1->keyBy(function($value) {\n return $value['attr2'].'-'.$value['attr1'];\n});<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a-1\" => array:2 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n ]\n \"b-2\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n \"a-3\" => array:2 [\n \"attr1\" => 3\n \"attr2\" => \"a\"\n ]\n]<\/code><\/pre>\n\n\n\nkeys<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->keys();<\/code><\/pre>\n\n\n\n\u30ad\u30fc\u306e\u307f\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => \"key1\"\n 1 => \"key2\"\n 2 => \"key3\"\n]<\/code><\/pre>\n\n\n\n\u3042\u304f\u307e\u3067\u4e00\u6b21\u5143\u76ee\u306e\u30ad\u30fc\u306e\u307f\u304c\u5bfe\u8c61\u3067\u3059\u3002<\/p>\n\n\n\n
map<\/h2>\n\n\n\n$col1 = collect([1,2,3,4]);\n$col2 = $col1->map(function($value) {\n return [\n 'val' => $value,\n 'type' => $value % 2 === 0 ? 'even' : 'odd',\n ];\n});<\/code><\/pre>\n\n\n\n\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306b\u3088\u3063\u3066\u5404\u8981\u7d20\u3092\u81ea\u7531\u306b\u52a0\u5de5\u3057\u3001\u305d\u306e\u623b\u308a\u5024\u3067\u65b0\u3057\u3044\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:4 [\n 0 => array:2 [\n \"val\" => 1\n \"type\" => \"odd\"\n ]\n 1 => array:2 [\n \"val\" => 2\n \"type\" => \"even\"\n ]\n 2 => array:2 [\n \"val\" => 3\n \"type\" => \"odd\"\n ]\n 3 => array:2 [\n \"val\" => 4\n \"type\" => \"even\"\n ]\n]<\/code><\/pre>\n\n\n\n\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u95a2\u3057\u3066\u4f55\u3089\u304b\u306e\u52a0\u5de5\u3092\u3059\u308b\u5834\u5408\u306b\u6700\u3082\u6c4e\u7528\u6027\u306e\u3042\u308b\u30e1\u30bd\u30c3\u30c9\u304b\u3068\u601d\u3044\u307e\u3059\u3002
\u500b\u4eba\u7684\u306b\u3082\u611b\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
mapInto<\/h2>\n\n\n\n
\u672c\u30e1\u30bd\u30c3\u30c9\u306fmap\u3068\u4f3c\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u5f15\u6570\u306b\u30af\u30e9\u30b9\u540d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u8981\u7d20\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5f15\u6570\u3068\u3057\u3066\u6307\u5b9a\u3057\u3064\u3064\u5f53\u8a72\u30af\u30e9\u30b9\u3092\u751f\u6210\u3057\u3001\u305d\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5358\u7d14\u306a\u30af\u30e9\u30b9\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n
class Sample {\n public $attr;\n\n public function __construct($val)\n {\n $this->attr = $val * 2;\n }\n}<\/code><\/pre>\n\n\n\n\u4e0a\u8a18\u306b\u5bfe\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([1,2,3,4]);\n$col2 = $col1->mapInto(Sample::class);\n$col2->each(function($obj) {\n echo $obj->attr.\"\\n\";\n});<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306e\u5404\u8981\u7d20\u306b\u5bfe\u3057\u3066\u5148\u306e\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3064\u3064\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u3001\u751f\u6210\u3057\u305f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u5404\u8981\u7d20\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09\u306eattr\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5185\u5bb9\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
2\n4\n6\n8<\/code><\/pre>\n\n\n\nmapSpread<\/h2>\n\n\n\n$col1 = collect([\n [1,2],\n [3,4],\n [5,6],\n]);\n$col2 = $col1->mapSpread(function($val1, $val2) {\n return $val1 * $val2;\n});<\/code><\/pre>\n\n\n\n\u4e00\u6b21\u5143\u76ee\u306e\u8981\u7d20\u304c\u914d\u5217\u3067\u3042\u308b\u524d\u63d0\u3067\u3001\u305d\u306e\u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u3092\u5f15\u6570\u3068\u3057\u3066\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u5b9f\u884c\u3057\u3001\u623b\u308a\u5024\u304b\u3089\u65b0\u3057\u3044\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 0 => 2\n 1 => 12\n 2 => 30\n]<\/code><\/pre>\n\n\n\n\u306a\u304a\u3001\u4e0a\u8a18\u69cb\u9020\u306b\u304a\u3044\u3066\u4e00\u6b21\u5143\u76ee\u306f\u9023\u60f3\u914d\u5217\uff08\u30ad\u30fc\u304c\u9023\u756a\u4ee5\u5916\uff09\u3067\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5f15\u6570\u306b\u5909\u63db\u3055\u308c\u308b\u4e8c\u6b21\u5143\u76ee\u306e\u914d\u5217\u306f\u9023\u60f3\u914d\u5217\u3067\u306f\u30a8\u30e9\u30fc\u3068\u306a\u308a\u3001\u3042\u304f\u307e\u3067\u914d\u5217\uff08\u30ad\u30fc\u304c\u9023\u756a\uff09\u3067\u3042\u308b\u3053\u3068\u304c\u6761\u4ef6\u3068\u306a\u308b\u3088\u3046\u3067\u3059\u3002
\u3064\u307e\u308a\u3001<\/p>\n\n\n\n
$col1 = collect([\n 'a' => [1,2],\n 'b' => [3,4],\n 'c' => [5,6],\n]);\n$col2 = $col1->mapSpread(function($val1, $val2) {\n return $val1 * $val2;\n});<\/code><\/pre>\n\n\n\n\u306b\u95a2\u3057\u3066\u306f\u3001<\/p>\n\n\n\n
array:3 [\n \"a\" => 2\n \"b\" => 12\n \"c\" => 30\n]<\/code><\/pre>\n\n\n\n\u3068\u8a00\u3046\u7d50\u679c\u3092\u5f97\u3089\u308c\u307e\u3059\u304c\u3001<\/p>\n\n\n\n
$col1 = collect([\n [\n 'a' => 1,\n 'b' => 2\n ],\n [\n 'a' => 3,\n 'b' => 4\n ],\n [\n 'a' => 5,\n 'b' => 6\n ],\n]);\n$col2 = $col1->mapSpread(function($val1, $val2) {\n return $val1 * $val2;\n});<\/code><\/pre>\n\n\n\n\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3068\u8a00\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n
\u3068\u3053\u308d\u3067\u3001\u4e8c\u6b21\u5143\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u3092\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u5f15\u6570\u306b\u3070\u3089\u3059\u3068\u3057\u3066\u3001\u6570\u304c\u4e0d\u4e00\u81f4\u3060\u3063\u305f\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n\n
$col1 = collect([\n [\n 'a',\n 'b',\n 'c'\n ],\n [\n 'd',\n 'e',\n 'f',\n 'g'\n ],\n [\n 'h',\n 'i'\n ],\n]);\n$col2 = $col1->mapSpread(function($val1, $val2, $val3) {\n return $val1.$val2.$val3;\n});<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => \"abc\"\n 1 => \"def\"\n 2 => \"hi2\"\n]<\/code><\/pre>\n\n\n\n\u5f15\u6570\u3068\u6bd4\u8f03\u3057\u3066\u914d\u5217\u306e\u8981\u7d20\u306e\u65b9\u304c\u591a\u3044\u5834\u5408\u306f\u3001\u5358\u306b\u5f15\u6570\u306b\u53cd\u6620\u3055\u308c\u306a\u3044\u8981\u7d20\u304c\u7121\u8996\u3055\u308c\u308b\u3060\u3051\u306e\u3088\u3046\u306a\u306e\u3067\u826f\u3044\u3067\u3059\u304c\u3001\u914d\u5217\u306e\u8981\u7d20\u306e\u65b9\u304c\u5c11\u306a\u3044\u5834\u5408\u306b\u8b0e\u306e\u5024\uff08\u4e0a\u8a18\u30b1\u30fc\u30b9\u3067\u306f2\uff09\u304c\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u308b\u70b9\u306f\u3044\u304b\u304c\u306a\u3082\u306e\u3067\u3057\u3087\u3046\u304b\u306d\uff1f
\u52a0\u3048\u3066\u8a00\u3046\u3068\u3055\u3089\u306b\u5f15\u6570\u306e\u6570\u3092\u5897\u3084\u3059\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\u308a\u3082\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3084\u306f\u308a\u5bfe\u8c61\u3068\u306a\u308b\u914d\u5217\u306e\u8981\u7d20\u6570\u3068\u5f15\u6570\u306e\u6570\u306f\u5408\u308f\u305b\u3066\u304a\u304f\u3079\u304d\u3068\u8a00\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
mapToGroups<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'a', \n ],\n]);\n$col2 = $col1->mapToGroups(function($value, $key) {\n return [\n $value['attr2'] => [\n 'key' => $key,\n 'val' => $value['attr1'],\n ],\n ];\n});<\/code><\/pre>\n\n\n\n\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u6307\u5b9a\u3057\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u623b\u308a\u306b\u30ad\u30fc\u3068\u5024\uff08\u4efb\u610f\u306e\u52a0\u5de5\u53ef\u80fd\uff09\u306e\u30bb\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u30ad\u30fc\u3067\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3057\u3064\u3064\u52a0\u5de5\u7d50\u679c\u306e\u5024\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u8981\u306f\u540d\u524d\u306e\u901a\u308amap\u3068groupBy\u3092\u5408\u308f\u305b\u305f\u3088\u3046\u306a\u6a5f\u80fd\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n \"a\" => array:2 [\n 0 => array:2 [\n \"key\" => \"key1\"\n \"val\" => 1\n ]\n 1 => array:2 [\n \"key\" => \"key3\"\n \"val\" => 3\n ]\n ]\n \"b\" => array:1 [\n 0 => array:2 [\n \"key\" => \"key2\"\n \"val\" => 2\n ]\n ]\n]<\/code><\/pre>\n\n\n\nmapWithKeys<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->mapWithKeys(function($value, $key) {\n return [\n $value['attr2'] => [\n 'key' => $key,\n 'val' => $value['attr1'],\n ],\n ];\n});<\/code><\/pre>\n\n\n\n\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u6307\u5b9a\u3057\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u623b\u308a\u306b\u30ad\u30fc\u3068\u5024\uff08\u4efb\u610f\u306e\u52a0\u5de5\u53ef\u80fd\uff09\u306e\u30bb\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u30ad\u30fc\u3068\u52a0\u5de5\u7d50\u679c\u306e\u5024\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002
\u3053\u3061\u3089\u3082\u540d\u524d\u306e\u901a\u308amap\u3068keyBy\u3092\u5408\u308f\u305b\u305f\u3088\u3046\u306a\u6a5f\u80fd\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a\" => array:2 [\n \"key\" => \"key1\"\n \"val\" => 1\n ]\n \"b\" => array:2 [\n \"key\" => \"key2\"\n \"val\" => 2\n ]\n \"c\" => array:2 [\n \"key\" => \"key3\"\n \"val\" => 3\n ]\n]<\/code><\/pre>\n\n\n\nmerge<\/h2>\n\n\n\n$col1 = collect([1,2,3]);\n$col2 = $col1->merge([4,5,6]);<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306b\u5f15\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f\u914d\u5217\uff08\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\uff09\u3092\u30de\u30fc\u30b8\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:6 [\n 0 => 1\n 1 => 2\n 2 => 3\n 3 => 4\n 4 => 5\n 5 => 6\n]<\/code><\/pre>\n\n\n\n\u9023\u60f3\u914d\u5217\u3082\u5bfe\u8c61\u3068\u3067\u304d\u307e\u3059\u304c\u3001\u30ad\u30fc\u304c\u91cd\u8907\u3057\u305f\u5834\u5408\u306f\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u5074\u306e\u8981\u7d20\u304c\u6709\u52b9\u306b\u306a\u308b\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => 1,\n 'b' => 2\n]);\n$col2 = $col1->merge([\n 'a' => 4,\n 'c' => 5\n]);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a\" => 4\n \"b\" => 2\n \"c\" => 5\n]<\/code><\/pre>\n\n\n\nmergeRecursive<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->mergeRecursive([\n 'key1' => [\n 'attr3' => 'append',\n ],\n 'key3' => [\n 'attr1' => 'modify',\n ],\n]);<\/code><\/pre>\n\n\n\nmerge\u3067\u306f\u4e00\u6b21\u5143\u76ee\u306e\u8981\u7d20\u306b\u95a2\u3059\u308b\u8ffd\u52a0\u30fb\u7f6e\u63db\u3092\u884c\u3046\u306e\u307f\u3067\u3057\u305f\u304c\u3001mergeRecursive\u3067\u306f\u968e\u5c64\u306e\u6df1\u3044\u4f4d\u7f6e\u306e\u8981\u7d20\u3092\u5bfe\u8c61\u3068\u3067\u304d\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"key1\" => array:3 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n \"attr3\" => \"append\"\n ]\n \"key2\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n \"key3\" => array:2 [\n \"attr1\" => array:2 [\n 0 => 3\n 1 => \"modify\"\n ]\n \"attr2\" => \"c\"\n ]\n]<\/code><\/pre>\n\n\n\n\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u306e\u306f\u3001\u65e2\u5b58\u306e\u8981\u7d20\u3068\u540c\u3058\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3067\u3059\u3002\u4e0a\u8a18\u4f8b\u3067\u306f\u300ckey3.attr1\u300d\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002
merge\u3067\u306f\u540c\u3058\u30ad\u30fc\u306e\u8981\u7d20\u306b\u95a2\u3057\u3066\u306f\u7f6e\u63db\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001mergeRecursive\u3067\u306f\u5f53\u8a72\u8981\u7d20\u304c\u914d\u5217\u5316\u3055\u308c\u3001\u5143\u306e\u8981\u7d20\u3068\u8ffd\u52a0\u8981\u7d20\u306e\u4e21\u65b9\u304c\u542b\u307e\u308c\u308b\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
pluck<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->pluck('attr2');<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306e\u5404\u8981\u7d20\u304b\u3089\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u306e\u5024\u3092\u62bd\u51fa\u3057\u3001\u65b0\u3057\u3044\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 0 => \"a\"\n 1 => \"b\"\n 2 => \"c\"\n]<\/code><\/pre>\n\n\n\n\u7b2c\u4e8c\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u8981\u7d20\u3092\u3001\u65b0\u898f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u751f\u6210\u6642\u306e\u5404\u8981\u7d20\u306e\u30ad\u30fc\u3068\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->pluck('attr1','attr2');<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a\" => 1\n \"b\" => 2\n \"c\" => 3\n]<\/code><\/pre>\n\n\n\n\u5f15\u6570\u306e\u9806\u756a\u3068\u3057\u3066\u3001\u7b2c\u4e00\u5f15\u6570\u304c\u5024\u3001\u7b2c\u4e8c\u5f15\u6570\u304c\u30ad\u30fc\u306b\u5bfe\u5fdc\u3059\u308b\u8981\u7d20\u3067\u3042\u308b\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u76f4\u611f\u7684\u306b\u306f\u9006\u306b\u8003\u3048\u304c\u3061\u304b\u3068\u601d\u3044\u307e\u3059\u3002
\u3053\u308c\u306f\u7b2c\u4e8c\u5f15\u6570\uff08\u30ad\u30fc\uff09\u306b\u95a2\u3057\u3066\u306f\u7701\u7565\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3082\u542b\u3081\u3066\u8003\u3048\u308c\u3070\u59a5\u5f53\u306a\u306e\u3067\u3059\u304c\u3002<\/p>\n\n\n\n
\u672c\u30e1\u30bd\u30c3\u30c9\u3082\u304b\u306a\u308a\u591a\u7528\u3057\u307e\u3059\u3002DB\u304b\u3089\u8907\u6570\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u62bd\u51fa\u3057\u305f\u304d\u305f\u5f8c\u3001\u5404\u30ec\u30b3\u30fc\u30c9\u306eID\u306e\u307f\u3092\u518d\u5ea6\u62bd\u51fa\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u3002
\u7fd2\u5f97\u5fc5\u9808\u30e1\u30bd\u30c3\u30c9\u306e\u4e00\u3064\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
replace<\/h2>\n\n\n\n$col1 = collect([1,2,3]);\n$col2 = $col1->replace([4,5]);<\/code><\/pre>\n\n\n\n\u6307\u5b9a\u3057\u305f\u914d\u5217\u306e\u5404\u30ad\u30fc\u306e\u8981\u7d20\u3092\u7f6e\u63db\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => 4\n 1 => 5\n 2 => 3\n]<\/code><\/pre>\n\n\n\n\u4e0a\u8a18\u306f\u901a\u756a\u3092\u30ad\u30fc\u3068\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u4f4d\u7f6e\u306e\u8981\u7d20\u3092\u7f6e\u63db\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002
\u5f53\u7136\u306a\u304c\u3089\u9023\u60f3\u914d\u5217\u3067\u306f\u5177\u4f53\u7684\u306b\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u306b\u6e96\u3058\u3066\u7f6e\u63db\u3092\u884c\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'a' => 1,\n 'b' => 2\n]);\n$col2 = $col1->replace([\n 'a' => 4,\n 'c' => 5\n]);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a\" => 4\n \"b\" => 2\n \"c\" => 5\n]<\/code><\/pre>\n\n\n\n\u5b9f\u306f\u3053\u306e\u7d50\u679c\u306fmerge\u3068\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u3064\u307e\u308amerge\u3068replace\u306e\u9055\u3044\u306f\u30ad\u30fc\u304c\u6570\u5024\u3060\u3063\u305f\u5834\u5408\u306e\u6271\u3044\u3060\u3051\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
replaceRecursive<\/h2>\n\n\n\n$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->replaceRecursive([\n 'key1' => [\n 'attr3' => 'append',\n ],\n 'key3' => [\n 'attr1' => 'modify',\n ],\n]);<\/code><\/pre>\n\n\n\nreplace\u304c\u4e00\u6b21\u5143\u76ee\u3092\u5bfe\u8c61\u3068\u3059\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001replaceRecursive\u306f\u968e\u5c64\u306e\u6df1\u3044\u4f4d\u7f6e\u306e\u8981\u7d20\u3092\u5bfe\u8c61\u3068\u3067\u304d\u307e\u3059\u3002
\u3053\u306e\u8fba\u306fmerge\u3068mergeRecursive\u306e\u95a2\u4fc2\u3068\u540c\u3058\u3067\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"key1\" => array:3 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n \"attr3\" => \"append\"\n ]\n \"key2\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n \"key3\" => array:2 [\n \"attr1\" => \"modify\"\n \"attr2\" => \"c\"\n ]\n]<\/code><\/pre>\n\n\n\nmergeRecursive\u3068\u306e\u9055\u3044\u306f\u3001\u65e2\u5b58\u306e\u8981\u7d20\u3068\u540c\u3058\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\uff08\u4e0a\u8a18\u4f8b\u3067\u306f\u300ckey3.attr1\u300d\uff09\u306b\u3001mergeRecursive\u3067\u306f\u5143\u8981\u7d20\u3068\u65b0\u898f\u8981\u7d20\u306e\u4e21\u65b9\u3092\u542b\u3093\u3060\u914d\u5217\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001replaceRecursive\u3067\u306f\u5143\u8981\u7d20\u3092\u65b0\u898f\u8981\u7d20\u3067\u7f6e\u63db\u3057\u5143\u8981\u7d20\u304c\u6b8b\u3089\u306a\u3044\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n
split<\/h2>\n\n\n\n$col1 = collect([1,2,3,4,5],);\n$col2 = $col1->split(3);<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u3092\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u6570\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u5272\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n 0 => array:2 [\n 0 => 1\n 1 => 2\n ]\n 1 => array:2 [\n 0 => 3\n 1 => 4\n ]\n 2 => array:1 [\n 0 => 5\n ]\n]<\/code><\/pre>\n\n\n\nchunk\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001chunk\u3067\u306f\u6307\u5b9a\u3057\u305f\u6570\u306e\u8981\u7d20\u306e\u914d\u5217\u306b\u5206\u5272\u3057\u3066\u3044\u305f\u306e\u306b\u5bfe\u3057\u3001split\u3067\u306f\u6307\u5b9a\u3057\u305f\u6570\u306e\u914d\u5217\u306b\u5206\u5272\u3057\u3066\u3044\u308b\u70b9\u304c\u9055\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
transform<\/h2>\n\n\n\n$col1 = collect([1,2,3,4]);\n$col1->transform(function($value) {\n return [\n 'val' => $value,\n 'type' => $value % 2 === 0 ? 'even' : 'odd',\n ];\n});<\/code><\/pre>\n\n\n\nmap\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001map\u304c\u52a0\u5de5\u5f8c\u306e\u8981\u7d20\u3092\u6301\u3064\u65b0\u3057\u3044\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u751f\u6210\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001transform\u3067\u306f\u672c\u4f53\u914d\u5217\u81ea\u4f53\u306e\u5404\u8981\u7d20\u3092\u52a0\u5de5\u5f8c\u306e\u8981\u7d20\u306b\u7f6e\u63db\u3057\u307e\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:4 [\n 0 => array:2 [\n \"val\" => 1\n \"type\" => \"odd\"\n ]\n 1 => array:2 [\n \"val\" => 2\n \"type\" => \"even\"\n ]\n 2 => array:2 [\n \"val\" => 3\n \"type\" => \"odd\"\n ]\n 3 => array:2 [\n \"val\" => 4\n \"type\" => \"even\"\n ]\n]<\/code><\/pre>\n\n\n\nunion<\/h2>\n\n\n\n$col1 = collect([\n 'a' => 1,\n 'b' => 2\n]);\n$col2 = $col1->union([\n 'a' => 4,\n 'c' => 5\n]);<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306b\u5f15\u6570\u3067\u6307\u5b9a\u3055\u308c\u305f\u914d\u5217\uff08\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\uff09\u3092\u30de\u30fc\u30b8\u3057\u307e\u3059\u3002
merge\u3084replace\u306b\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30ad\u30fc\u304c\u91cd\u8907\u3057\u305f\u5834\u5408\u672c\u4f53\u914d\u5217\u5074\u306e\u8981\u7d20\u304c\u6709\u52b9\u306b\u306a\u308b\u70b9\u304c\u9055\u3044\u3067\u3059\u3002
\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"a\" => 1\n \"b\" => 2\n \"c\" => 5\n]<\/code><\/pre>\n\n\n\n\u306a\u304a\u3001merge\u3084replace\u3068\u7570\u306a\u308aRecursive\u30e1\u30bd\u30c3\u30c9\u304c\u306a\u3044\u306e\u3067\u3001\u4e00\u5fdc\u591a\u6b21\u5143\u914d\u5217\u306b\u5bfe\u3057\u3066\u9069\u7528\u3057\u305f\u5834\u5408\u3082\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'key1' => [\n 'attr1' => 1,\n 'attr2' => 'a', \n ],\n 'key2' => [\n 'attr1' => 2,\n 'attr2' => 'b', \n ],\n 'key3' => [\n 'attr1' => 3,\n 'attr2' => 'c', \n ],\n]);\n$col2 = $col1->union([\n 'key1' => [\n 'attr3' => 'append',\n ],\n 'key3' => [\n 'attr1' => 'modify',\n ],\n]);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:3 [\n \"key1\" => array:2 [\n \"attr1\" => 1\n \"attr2\" => \"a\"\n ]\n \"key2\" => array:2 [\n \"attr1\" => 2\n \"attr2\" => \"b\"\n ]\n \"key3\" => array:2 [\n \"attr1\" => 3\n \"attr2\" => \"c\"\n ]\n]<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306e\u5185\u5bb9\u304b\u3089\u5909\u5316\u306a\u3057\u3067\u3059\u3002\u3064\u307e\u308a\u4e8c\u6b21\u5143\u4ee5\u4e0b\u306e\u968e\u5c64\u306f\u5bfe\u8c61\u3068\u306a\u3089\u305a\u3001\u4e00\u6b21\u5143\u76ee\u306e\u30ad\u30fc\u304c\u4e00\u81f4\u3057\u305f\u6bb5\u968e\u3067\u672c\u4f53\u914d\u5217\u5074\u306e\u8981\u7d20\u304c\u63a1\u7528\u3055\u308c\u3066\u3057\u307e\u3046\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
zip<\/h2>\n\n\n\n$col1 = collect(['a','b']);\n$col2 = $col1->zip([1,2]);<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u306e\u8981\u7d20\u3068\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u914d\u5217\u306e\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u914d\u5217\u3092\u8981\u7d20\u3068\u3059\u308b\u65b0\u3057\u3044\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:2 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => 1\n ]\n 1 => array:2 [\n 0 => \"b\"\n 1 => 2\n ]\n]<\/code><\/pre>\n\n\n\n\u672c\u4f53\u914d\u5217\u304a\u3088\u3073\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u914d\u5217\u304c\u9023\u60f3\u914d\u5217\u3067\u3042\u3063\u3066\u3082\u30ad\u30fc\u306f\u7121\u8996\u3057\u3066\u8981\u7d20\u306e\u7d50\u5408\u3092\u884c\u3046\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
$col1 = collect([\n 'key1' => 'a',\n 'key2' => 'b'\n]);\n$col2 = $col1->zip([\n 'key3' => 1,\n 'key4' => 2\n]);<\/code><\/pre>\n\n\n\n\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n
array:2 [\n 0 => array:2 [\n 0 => \"a\"\n 1 => 1\n ]\n 1 => array:2 [\n 0 => \"b\"\n 1 => 2\n ]\n]<\/code><\/pre>\n\n\n\n\u306a\u304a\u3001\u672c\u4f53\u914d\u5217\u3068\u5f15\u6570\u3067\u6307\u5b9a\u3059\u308b\u914d\u5217\u306e\u8981\u7d20\u6570\u306b\u5dee\u304c\u3042\u308b\u3068\u4e0d\u8db3\u3057\u305f\u90e8\u5206\u306b\u95a2\u3057\u3066\u306fNULL\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n
\u7dcf\u62ec<\/h2>\n\n\n\n
\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u3067\u306f\u3001\u672c\u547dmap\u3001pluck\u3001\u6b21\u70b9\u3067groupBy\u3001transform\u8fba\u308a\u306f\u611b\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u5916\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3042\u307e\u308a\u4f7f\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u305b\u3093\u3002
\u6539\u3081\u3066\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068\u4f7f\u3048\u305d\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u3082\u6563\u898b\u3055\u308c\u307e\u3059\u304c\u3001\u4f3c\u3066\u3044\u3066\u975e\u306a\u308b\u30e1\u30bd\u30c3\u30c9\u3082\u591a\u304f\u898b\u3089\u308c\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u306e\u9055\u3044\u3092\u3057\u3063\u304b\u308a\u628a\u63e1\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u306a\u304b\u306a\u304b\u4f7f\u3044\u3053\u306a\u3059\u3068\u3053\u308d\u307e\u3067\u884c\u304b\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
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