app/constantes.php

<?php include_once('inc/header.php');?>
    <?php
        define("MESSAGE" "INSTITUTO");
        define("MESSAGE" "TECNOLOGICO");
        define("MESSAGE" "SUPERIOR");
        define("MESSAGE" "DE");
        define("MESSAGE" "ZONGOLICA");


        echo MESSAGE;
    ?>
<?php include_once('inc/footer.php');?>