$array = array( 'one' => array( 'two' => array( 'three' => 4, 'five' => 6 ), 'seven' => 8, ), 'nine' => array( 'ten' => 11 ) ); $flattened = Arr::flatten($array); print_r($flattened); // Output: Array ( [one.two.three] => 4 [one.two.five] => 6 [one.seven] => 8 [nine.ten] => 11 )
$array = array( 'one' => array( 'two' => array( 'three' => 4, 'five' => 6 ), 'seven' => 8, ), 'nine' => array( 'ten' => 11 ) ); $flattened = Arr::flatten($array, ','); print_r($flattened); // Output: Array ( [one,two,three] => 4 [one,two,five] => 6 [one,seven] => 8 [nine,ten] => 11 )The Arr class is a part of the Laravel framework's Illuminate package, which provides a variety of powerful functions and features for PHP developers.