laravel array to collection code example

Example 1: collection laravel filter

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

$filtered = $collection->filter(function ($value, $key) {
    return $value > 2;
});

$filtered->all();

// [3, 4]

Example 2: add to collection laravel

$item = collect();
$item->push($product);

Example 3: collection map laravel

// The array we're going to return
    $data = [];    
// Query the users table
$query = users::where('id', 1)->get();

// Let's Map the results from [$query]
$map = $query->map(
    function($items){
          $data['user_firstName'] = $items->firstName;
          $data['user_lastName'] = $items->lastName;
          return $data;
        }
    );

return $map;

Example 4: laravel collection methods

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

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

// [1,4,9,16]