Pastoid

<?php
$randomdir = ( Site::out_url( 'theme' ) . '/showcase/' );
$randomhandle = opendir("$randomdir");
$randomfile = array();
while($file = readdir($randomhandle))
	{
	  $extension = substr($file, -4);
	  if(($extension == '.php') || ($extension == '.htm') || ($extension == 'html') || ($extension == '.xhtml') )
	  {
		$randomfile[] = $file;
	  }
	}
$numfiles = count($randomfile) - 1;
$randomnum = rand(0, $numfiles);
 
include("$randomdir" . $randomfile[ $randomnum ]);
?>