<?php
class Database
{
    var $host="localhost";
    var $user="root";
    var $pass="";
    var $db="restaurant";
    public function connect()
    {
    $con=mysqli_connect($this->host,$this->user,$this->pass,$this->db);
    return $con;
    }
    public function saveRecords($tbName,$u,$p)
    {
        $conn=$this->connect();
        $sql = "insert into $tbName values('".$u."','".$p."')";
        $result = $conn->query($sql);

    }

   }
   ?>


<?php
$obj=new Database();
extract($_POST);
//Saved Records Inside Database
if(isset($save))
{
//here admin is table name, $userName and $pass  entered by html form
$obj->saveRecords("abushan",$userName,$Pass);
echo "Records Saved ";
}
?>

<form method="post">
<table width="457" border="2" cellspacing="5" cellpadding="5">
  <tr>
    <th width="333" scope="row">Enter your user id </th>
    <td width="81"><input type="text" name="userName"/></td>
  </tr>
  <tr>
    <th scope="row">enter your password </th>
    <td><input type="text" name="Pass"/></td>
  </tr>

  <tr>
    <th colspan="2" scope="row">
 <input type="submit" value="save" name="save"/>
 </th>
    </tr>
</table>

</form>