šlo by to napsat takhle ?

<a href="index.php?p=hlavni">Hlavní strana</a>
<a href="index.php?p=druha">Druhá strana</a>
<a href="index.php?p=treti">Třetí strana</a>
<a href="index.php?p=ctvrta">Čtvrtá strana</a>
   
<?php                          
if($_GET['p']==hlavni)
{ include ['$p.".txt"']; }

elseif($_GET['p']==druha)
{ include ['$p.".txt"']; }

elseif($_GET['p']==treti)
{ include ['$p.".txt"']; }

elseif($_GET['p']==ctvrta)
{ include ['$p.".txt"']; }

else
{ include "hlavni.php"; }
?>