$arr = ['apple', 'banana', 'cherry', 'orange']; $filteredArr = Arr::where($arr, function($value, $key) { return strlen($value) > 5; }); // The resulting $filteredArr will be ['banana', 'cherry', 'orange']
$arr = ['orange', 'apple', 'banana', 'cherry']; $sortedArr = Arr::sort($arr); // The resulting $sortedArr will be ['apple', 'banana', 'cherry', 'orange']
$arr1 = ['a' => 1, 'b' => 2]; $arr2 = ['b' => 3, 'c' => 4]; $mergedArr = Arr::merge($arr1, $arr2); // The resulting $mergedArr will be ['a' => 1, 'b' => 3, 'c' => 4]As mentioned earlier, PHP Arr is a part of the Laravel framework. It can be installed as a standalone package using Composer, which is a package dependency manager for PHP.