Convert a date format in PHP

Question

I am trying to convert a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don\'t know how the date function requires a timestamp, and

Answer 1

There are two ways to implement this:

1.

    $date = strtotime(date);
    $new_date = date('d-m-Y', $date);

2.

    $cls_date = new DateTime($date);
    echo $cls_date->format('d-m-Y');