PHP

laravel collection collect

$collection = collect([
    ['product' => 'Desk', 'price' => 200],
    ['product' => 'Chair', 'price' => 100],
]);

$collection->contains('product', 'Bookcase');

// false

laravel collection when

$collection = collect([1, 2, 3]);

$collection->when(true, function ($collection) {
    return $collection->push(4);
});

$collection->all();

// [1, 2, 3, 4]

laravel collection get

$collection = collect(['name' => 'taylor', 'framework' => 'laravel']);

$value = $collection->get('name');

// taylor

laravel collection methods

$collection = collect([1,2,3,4]);

$collection->each(function($item){
    return $item*$item;
});

// [1,4,9,16]

laravel collection take

$collection = collect([0, 1, 2, 3, 4, 5]);

$chunk = $collection->take(3);

$chunk->all();

// [0, 1, 2]

laravel collect

$collection = collect(['taylor', 'abigail', null])->map(function($name)
{
    return strtoupper($name);
})
->reject(function($name)
{
    return empty($name);
});

laravel collection all

collect([1, 2, 3])->all();

// [1, 2, 3]

laravel collection only

$users = $users->only([1, 2, 3]);

laravel collection

get(); //return collection 
first(); //return object