- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
- 2020-02-29 2020-02-29
<?php
echo date('Y-m-d', strtotime('last day of this month previous year')) . PHP_EOL;
echo (new DateTime('last day of this month previous year'))->format('Y-m-d');