What is wrong with php strtotime

Question

$d = '20-04-2001';
echo date('Y-m-d',strtotime($d));

output 2025-09-22

it think it might version problem currently using PHP Version 4.4.6

Answer 1

strtotime parse date in specific formats only. You can see http://php.net/manual/en/datetime.formats.date.php