GET Request

gistfile1.php

<?php

/**
 * maintain....
 * pages for GET request
 *
 * @author rifki
 */

class SayHello 
{
    private $firstName;
    private $lastName;
    private $fullName;
    
    public $page = '?page';
    
    public $form = array();

    public function setFistName($fistName)
    {
        $this->firstName = $fistName;
    }
    
    public function setLastName($lastName)
    {
        $this->lastName  = $lastName;
    }

    public function getFirstName()
    {
        return $this->firstName;
    }
    
    public function getLastName()
    {
        return $this->lastName;
    }
    
    public function getFullName($firstName, $lastName)
    {
        echo "<br />";
//        echo "Full Name : ". $this->fullName = $firstName . $lastName . "<br />";
//        echo "First Name    : ". $firstName."<br />";
//        echo "Last Name     : ". $lastName . "<br />";
//        return "Full Name   : ".$firstName . $lastName;
        $this->firstName = $firstName;
        $this->lastName  = $lastName;
        $this->fullName = $firstName . $lastName;
        return $this->fullName;
    }

    /*********************************************/ 
    public function sayHello($firstName, $lastName)
    {
        $this->firstName = $firstName;
        $this->lastName  = $lastName;
        echo $this->fullName  = (string) $firstName . $lastName;
    }
  
    public function sayHelloNaN()
    {
        if (isset($this->firstName) AND (isset($this->lastName))) {
            if (empty($this->firstName)) {
                echo "Please try again for input your <strong>first name</strong>";
                exit();
            }
            if (empty($this->lastName)) {
                echo "Please try again for input your <strong>last name</strong>";
                exit();
            }
            if (preg_match("/[0-9]/", $this->firstName, $this->lastName)) {
                echo "You must be alphabet";
                exit();
            }   
        }
    }

    public function form()
    {
        $form       = "<form name=\"form\" action=\"?page=say\" method=\"post\">";
        $form       .= "First Name   : <input type=\"text\" name=\"firstname\">";
        $form       .= "Last Name    : <input type=\"text\" name=\"lastname\">";
        $form       .= "<input type=\"submit\" name=\"submit\"></form>";
        return $form;
    }
    
    public function getRequestSay()
    {
        $page  = $_GET['page'];
        if ($page == 'say') {
    
            $this->firstName  = $_POST['firstname'];
            $this->lastName   = $_POST['lastname'];
            $submit = $_POST['submit'];

            if ($submit) {
                $this->sayHello($this->firstName, $this->lastName);
                $this->sayHelloNaN($this->firstName, $this->lastName);
                exit();
            }
        } else {
            echo "This page for <strong>{$page}</strong> is not found! <br /> 
                  Request: "."<code>".$_SERVER[REQUEST_URI]."</code>"
            ;
        }
        
    }
}

$say = new SayHello();
echo $say->form();
$say->getRequestSay();
echo $say->getFullName('Muhamad', 'Rifki');