collection laravel filter
$collection = collect([1, 2, 3, 4]);
$filtered = $collection->filter(function ($value, $key) {
return $value > 2;
});
$filtered->all();
// [3, 4]collection laravel filter
$collection = collect([1, 2, 3, 4]);
$filtered = $collection->filter(function ($value, $key) {
return $value > 2;
});
$filtered->all();
// [3, 4]laravel collection find by key
$collection = collect([
['product_id' => 'prod-100', 'name' => 'Desk'],
['product_id' => 'prod-200', 'name' => 'Chair'],
]);
$keyed = $collection->keyBy('product_id');
$keyed->all();
/*
[
'prod-100' => ['product_id' => 'prod-100', 'name' => 'Desk'],
'prod-200' => ['product_id' => 'prod-200', 'name' => 'Chair'],
]
*/laravel sort collection by key
$collection = collect([
['name' => 'Desk', 'price' => 200],
['name' => 'Chair', 'price' => 100],
['name' => 'Bookcase', 'price' => 150],
]);
$sorted = $collection->sortBy('price');
$sorted->values()->all();
/*
[
['name' => 'Chair', 'price' => 100],
['name' => 'Bookcase', 'price' => 150],
['name' => 'Desk', 'price' => 200],
]
*/laravel reduce
$collection = collect([1, 2, 3]);
$total = $collection->reduce(function ($carry, $item) {
return $carry + $item;
});
// 6
$total = $collection->reduce(function ($carry, $item) {
return $carry + $item;
}, 4);
// 10 | where 4 is a initial valueCopyright © 2021 Codeinu
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