php date now format dd/mm/yyyy code example
Example 1: php date format dd/mm/yyyy
date("d/m/Y", strtotime($str));
Example 2: php change date format from d/m/y to y-m-d
$var = '20/04/2012';
$date = str_replace('/', '-', $var);
echo date('Y-m-d', strtotime($date));