include (""); dentro variabile

[eiyen]

prova con:

ob_start();
include ('fileesternodaincludere.php');
$nb = ob_get_contents();
ob_end_clean();
$template_active = ("..." .$nb. "..."); 

oppure:

$template_active = ("..."); // prima parte
include ('fileesternodaincludere.php');
$template_active .= ("..."); // seconda parte