Redaxscript\Template\Helper::getClass PHP Метод

    public static function getClass()
    {
        $classArray = array_unique(array_merge(self::_getBrowserArray(), self::_getDeviceArray()));
        /* process class */
        foreach ($classArray as $key => $value) {
            $classArray[$key] = self::$_prefix . 'is-' . $value;
        }
        return implode(' ', $classArray);
    }

 /**
  * testGetClass
  *
  * @since 3.0.0
  *
  * @param array $registryArray
  * @param string $expect
  *
  * @dataProvider providerGetClass
  */
 public function testGetClass($registryArray = [], $expect = null)
 {
     /* setup */
     $this->_registry->init($registryArray);
     /* actual */
     $actual = Template\Helper::getClass();
     /* compare */
     $this->assertEquals($expect, $actual);
 }