How to check if a multidimensional array is empty or not?

Question

Basically, I have a multidimensional array, and I need to check whether or not it is simply empty, or not.

I currently have an if statement trying to do thi

Answer 1

Combine array_filter() and array_map() for result. ( Result Test )

 [],
        '1'=> [
            'question1',
            'answer1',
            'answer2',
            'answer3',
            'answer4'
        ],
        '2'=> [
            'question1',
            'answer1',
            'answer2',
            'answer3',
            'answer4'
        ]
    ];

    $arrayEmpty = [
        '0' => [],
        '1' => [
            '1' => '',
            '2' => '',
            '3' => ''
        ]
    ];

    $resultData = array_filter(array_map('array_filter', $arrayData));
    $resultEmpty = array_filter(array_map('array_filter', $arrayEmpty));

    var_dump('Data', empty($resultData));
    var_dump('Empty', empty($resultEmpty));