PHP implements random roll call program

The mt_random() function is used (performance is better than random() function)

  $max1=51;
 $min1=1;
 $stu=mt_rand($min1,$max1);
 if($stu>26)
 {
 $stu=$stu- 25
 echo '2014585032'.$stu.'Classmate';
 }
 else
 {
 echo '2014585031'.$stu.'Classmate';
 }
 ?>

php