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object oriented code to protect one php page without editing that page

<?php // RAY_temp_rgb192.php 2013-10-10
error_reporting(E_ALL);

// ONE PAGE WITH LOG-IN REQUIRED
// http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/Q_28263785.html

// SESSION CONTROLS AUTHORIZATION DATA
session_start();

// THE AUTHENTICATION CREDENTIALS
$uid = 'rgb192';
$pwd = 'secret';

// IF THE AUTHORIZATION FORM HAS BEEN POSTED
if (!empty($_POST))
{
    // TEST BOTH UID AND PWD
    if ($_POST['uid'] == $uid)
    {
        if ($_POST['pwd'] == $pwd)
        {
            $_SESSION['authorized'] = $uid;
        }
    }
}
// IF THE CLIENT IS NOT AUTHORIZED, PUT UP THE LOGIN FORM
if (!isset($_SESSION['authorized']))
{
    $form = <<<EOD
Please Login:
<form method="post">
<input name="uid" placeholder="User Id" />
<input name="pwd" placeholder="Password" />
<input type="submit" />
</form>
EOD;
    echo $form;
}
// IF THE CLIENT IS AUTHORIZED, SHOW THE WEB PAGE
else
{
    echo "<h1>Welcome $uid</h1>" . PHP_EOL;
    echo "<p>You successfully entered the User Id and Password, so now you can see this page.</p>" . PHP_EOL;
}

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I am looking for a login with hardcoded php password
only for one php page


is there a way to modify this code or create a new requirement of an object oriented class
so I can learn more about object oriented php and make the code reusable so I can use with the one page I want to password protect without editing the page I want to protect
Avatar of Gary
Gary
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Not sure I'm following you - are you trying to separate the username/password from the code above and have it in a separate class?
ASKER CERTIFIED SOLUTION
Avatar of Ray Paseur
Ray Paseur
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ASKER

thanks