这是我想要根据年份值组合的数组
1
5560 => array:3 [▼
"year" => 2022
"total_policies_financed" => 1
"total_amount_financed" => 280.0
]
1 => array:3 [▼
"year" => 2022
"total_policies_financed" => 2
"total_amount_financed" => 5190.0
]
2 => array:3 [▼
"year" => 2021
"total_policies_financed" => 2
"total_amount_financed" => 5190.0
]
需要这样的输出
0 => array:3 [▼
"year" => 2022,
"total_count" => 2,
"total_policies_financed" => 3
"total_amount_financed" => 5470
]
1 => array:3 [▼
"year" => 2021,
"total_count" => 1,
"total_policies_financed" => 2
"total_amount_financed" => 5190.0
] 
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试试这个：
$arr = collect($array)->groupBy('year')->map(function ($items, $key){ return [ 'year' => $key, 'total_count' => $items->count(), 'total_policies_financed' => $items->sum('total_policies_financed'), 'total_amount_financed' => $items->sum('total_amount_financed'), ]; })->values(); dd($arr);