customer.php

<?php

class customer{
    private $server = "localhost";
    private $user = "root";
    private $pass = "";
    public $dbname = "test4";

    function __construct(){
        $this->dbcon = new PDO("mysql:host=$this->server; dbname=$this->dbname", $this->user, $this->pass);
    }

        function insertData($p){

        try{
            $insert_query = "insert into customer(name, age, gender, email) values(:n, :a, :g, :e)";

                    $result = $this->dbcon->prepare($insert_query);

                    $result->bindParam("n", $_POST['name']);
                    $result->bindParam("a", $_POST['age']);
                    $result->bindParam("g", $_POST['gender']);
                    $result->bindParam("e", $_POST['email']);

                    $result->execute();

                    ?>
                    <script type="text/javascript">
                        window.location.href="add.php";
                    </script>
                    <?php
        }catch(PDOException $e){
            echo "Error :" .$e->getMessage();
        }



    }



}

?>