$collection = collect([1, 2, 3, 4]);
$filtered = $collection->filter(function ($value, $key) {
return $value > 2;
});
$filtered->all();
// [3, 4]Product::where('id',$id)->sum('quantity');Sometime for such queries you need to disable the strict check
So inside config/database.php and inside mysql,
Set 'strict' => false,
->select('user_id', DB::raw('SUM(points) as total_points'))$collection = collect([
['name' => 'JavaScript: The Good Parts', 'pages' => 176, 'price' => 100.00],
['name' => 'JavaScript: The Definitive Guide', 'pages' => 314, 'price' => 150.00]
]);
$result = $collection->pipe(function ($collection) {
return collect([
'total_pages' => $collection->sum('pages'),
'total_price' => $collection->sum('price'),
]);
});$collection = collect([1, 2, 3, 4]);
$collection->push(5);
$collection->all();
// [1, 2, 3, 4, 5]collect([1, 2, 3, 4, 5])->sum();
// 15