yii2-swiftmailer/extensions/yii/twig/ViewRendererStaticClassProxy.php

<?php

namespace yii\twig;

/**
 * Class-proxy for static classes
 * Needed because you can't pass static class to Twig other way
 *
 * @author Leonid Svyatov <leonid@svyatov.ru>
 * @version 1.0.0
 */
class ViewRendererStaticClassProxy
{
    private $_staticClassName;

    public function __construct($staticClassName) {
        $this->_staticClassName = $staticClassName;
    }

    public function __get($property)
    {
        $class = new \ReflectionClass($this->_staticClassName);
        return $class->getStaticPropertyValue($property);
    }

    public function __set($property, $value)
    {
        $class = new \ReflectionClass($this->_staticClassName);
        $class->setStaticPropertyValue($property, $value);
        return $value;
    }

    public function __call($method, $arguments)
    {
        return call_user_func_array(array($this->_staticClassName, $method), $arguments);
    }
}