id      name       dob             gen
1       James     12-03-1977        M
2       James     12-03-1977        M
3       James     12-03-1977        M

class Detail
{
function savePerson_detail($vars){
    foreach($vars as $key => $value){
       if(is_numeric($key) && $value >0){
         $qry = sprintf("INSERT INTO cca_student_list(per_name, per_dob, per_gen) VALUES('%s', '%s', '%s')",
        mysql_real_escape_string($vars['name']),
        mysql_real_escape_string($vars['dob']),
        mysql_real_escape_string($vars['gen']));
        mysql_query($qry) or die(mysql_error());
         if($qry)
    {
    print 'Successfully Insert your details';
    }
   }
}

<?php
$detail = new Detail();
if(isset($_POST['btnSaveDetail'])){
   $detail->savePerson_detail($_POST);
}?>

function savePerson_detail($vars)
{
    // validate function input
    foreach($vars as $key => $value)
    {
       if(!is_numeric($key) || !$value >0)
         return;
    }

    // build sql query
    $qry = sprintf(
        "INSERT INTO cca_student_list(per_name, per_dob, per_gen) VALUES('%s', '%s', '%s')",
        mysql_real_escape_string($vars['name']),
        mysql_real_escape_string($vars['dob']),
        mysql_real_escape_string($vars['gen'])
    );

    // run sql query
    $result = mysql_query($qry) or die(mysql_error());

    // check query result
    if($result)
    {
        print 'Successfully Insert your details';
    }
}

foreach($vars as $key => $value){

$_POST['name'] = 'James';
$_POST['dob'] = '12-03-1977';
$_POST['gen'] = 'M';

function savePerson_detail($vars){
  $qry = sprintf("INSERT INTO cca_student_list(per_name, per_dob, per_gen) VALUES('%s', '%s', '%s')", mysql_real_escape_string($vars['name']), mysql_real_escape_string($vars['dob']), mysql_real_escape_string($vars['gen']));
  mysql_query($qry) or die(mysql_error());
  if($qry)
    { print 'Successfully Insert your details'; }
}

class Detail
{
function savePerson_detail($vars) {
     foreach($vars as $key => $value) {
          $vars[$key] = mysql_real_escape_string($value);
     }

     if($qry)
     {
       print 'Successfully Insert your details';
     }

   $qry = sprintf("INSERT INTO cca_student_list(per_name, per_dob, per_gen) VALUES('%s', '%s', '%s')";
   mysql_query($qry) or die(mysql_error());
}