Change date format as dd/mm/yyyy in php [closed]

Following code will be helpful …. written in PHP

$result = mysql_query("SELECT * FROM students");

$row = mysql_fetch_row($result); 

$adm_date = date_create($row[0]); 

if(preg_match('@([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})@', $adm_date, $n)) {

$converted=$n[3]."https://stackoverflow.com/".$n[2]."https://stackoverflow.com/".$n[1];

echo $converted; 
 }