Fat-Free Framework: Adding new filters to Preview and Template

index.php

<?php

require_once "../vendor/autoload.php";

class ExtTemplate extends Template {
	public function date($timestamp) {
		return date('d-m-Y' , $timestamp);
	}
}

$f3 = Base::instance();

$f3->set('UI', './');
$f3->set('TEMP', 'tmp/');

$f3->route('GET /', function(\Base $f3){
	$f3['date'] = 1234567890;
	echo ExtTemplate::instance()->render('test.html');
});

$f3->run();

test.html

Hello {{ @date | date }}