verifica.logado

<?php
    if($_GET['p'] == 'recuperar-senha'):
        echo '<section id="conteudo">';
        include('./paginas/recuperar-senha.php');
        echo '</section>';
    elseif($_COOKIE['user_name'] == NULL):
        echo '<section id="conteudo">';
        include('./paginas/login.php');
        echo '</section>';
    elseif(empty($_GET['p'])):
        include('./inc/menu.php');
        echo '<section id="conteudo">';
        include('./paginas/home.php');
        echo '</section>';
    elseif(file_exists('./paginas/'.$_GET['p'].'.php')):
        include('./inc/menu.php');
        echo '<section id="conteudo">';
        include('./paginas/'.$_GET['p'].'.php');
        echo '</section>';
    else:
        include('./inc/menu.php');
        echo '<section id="conteudo">';
        include('./paginas/404.php');
        echo '</section>';
    endif;

?>