how to insert html table data into database using php
<!DOCTYPE html>
<html>
<head>
  <title>Add Records in Database</title>
</head>
<body>
<?php
include "dbConn.php"; // Using database connection file here
if(isset($_POST['submit']))
{		
    $fullname = $_POST['fullname'];
    $age = $_POST['age'];
    $insert = mysqli_query($db,"INSERT INTO `tblemp`(`fullname`, `age`) VALUES ('$fullname','$age')");
    if(!$insert)
    {
        echo mysqli_error();
    }
    else
    {
        echo "Records added successfully.";
    }
}
mysqli_close($db); // Close connection
?>
<h3>Fill the Form</h3>
<form method="POST">
  Full Name : <input type="text" name="fullname" placeholder="Enter Full Name" Required>
  <br/>
  Age : <input type="text" name="age" placeholder="Enter Age" Required>
  <br/>
  <input type="submit" name="submit" value="Submit">
</form>
</body>
</html>