Loop Array Multi Dimensions

gistfile1.txt

$data = [];
$data[0] = ['S', 'M', 'L'];
$data[1] = ['RED', 'BLACK'];
$data[2] = ['IRON', 'COTTON'];
$data[3] = ['STRONG', 'WEAK'];
$data[4] = ['MAJOR', 'MINOR'];
$data[5] = ['XX', 'YY'];

class Possible 
{
	protected $data;
	
	public function __construct($data) 
	{
		$this->data = $data;
	}
		
	public function k9($arr1, $arr2) 
	{
		$tmp = [];
		
		foreach ($arr1 as $a1) {
			foreach ($arr2 as $a2) {
				if (count($a1) > 1) {
					$tmp[] = array_merge($a1 ,[$a2]);
				} else {
					$tmp[] = [$a1, $a2];
				}
			}
		}
		return $tmp;
	}
	
	public function get()
	{
		$resp = $this->k9($this->data[0], $this->data[1]);
		for ($i=2; $i<count($this->data); $i++) {
			$resp = $this->k9($resp, $this->data[$i]);
		}
		return $resp;
	}
}

$x = (new Possible($data))->get();
dump($x);

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