convert created_at to date laravel to timestamp code example

Example 1: laravel convert timestamp to date

laravel convert timestamp to date
date('Y-m-d', strtotime($date));

laravel convert date to timestamp
date('Y-m-d H:i:s', strtotime($date));

Example 2: convert date to timestamp in laravel builder

$date = '2021-05-20';
date('Y-m-d H:i:s', strtotime($date));