/**
* {@inheritdoc}
*/
public function initialize(Engine $engine)
{
// directives
$engine->addDirective(new BlockDirective());
$engine->addDirective(new ControlDirective());
$engine->addDirective(new ExtendDirective());
$engine->addDirective(new IncludeDirective());
$engine->addDirective(new RawDirective());
$engine->addDirective(new SetDirective());
// functions
$engine->addFunction('e', array($engine, 'escape'));
$engine->addFunction('escape', array($engine, 'escape'));
$engine->addFunction('block', array($this, 'block'));
$engine->addFunction('constant', array($this, 'getConstant'));
$engine->addFunction('json', 'json_encode');
$engine->addFunction('upper', 'strtoupper');
$engine->addFunction('lower', 'strtolower');
$engine->addFunction('format', 'sprintf');
$engine->addFunction('replace', 'strtr');
}
