private function buildLoopVariables()
    {
        /* @var \Twig_Node_Expression_Array $options */
        $options = $this->getAttribute('options');
        $loop = $this->getAttribute('loop');
        $loopKey = '';
        $loopId = null;
        $hasId = false;

        if (!empty($loop)) {
            foreach ($options->getKeyValuePairs() as $val) {
                /* @var \Twig_Node_Expression_Constant $key */
                $key = $val['key'];
                $value = $val['value'];

                if ('id' === $key->getAttribute('value')) {
                    $hasId = true;

                    if ($value instanceof \Twig_Node_Expression_Constant) {
                        $loopKey = ', $key';
                        $loopId = $value->getAttribute('value');
                        break;
                    }
                }
            }

            if (!$hasId) {
                $loopKey = ', $key';
                $loopId = $this->getAttribute('name');
            }
        }

        return [$loopKey, $loopId];
    }
private function buildLoopVariables()
    {
        /* @var \Twig_Node_Expression_Array $options */
        $options = $this->getAttribute('options');
        $loop = $this->getAttribute('loop');
        $loopKey = '';
        $loopId = null;
        $hasId = false;

        if (!empty($loop)) {
            foreach ($options->getKeyValuePairs() as $val) {
                /* @var \Twig_Node_Expression_Constant $key */
                $key = $val['key'];
                $value = $val['value'];

                if ('id' === $key->getAttribute('value')) {
                    $hasId = true;

                    if ($value instanceof \Twig_Node_Expression_Constant) {
                        $loopKey = ', $key';
                        $loopId = $value->getAttribute('value');
                        break;
                    }
                }
            }

            if (!$hasId) {
                $loopKey = ', $key';
                $loopId = $this->getAttribute('name');
            }
        }

        return [$loopKey, $loopId];
    }
private function buildLoopVariables ( ) { /* @var \Twig_Node_Expression_Array $options */ $ options = $ this -> getAttribute ( 'options' ) ; $ loop = $ this -> getAttribute ( 'loop' ) ; $ loopKey = '' ; $ loopId = null ; $ hasId = false ; if ( ! empty ( $ loop ) ) { foreach ( $ options -> getKeyValuePairs ( ) as $ val ) { /* @var \Twig_Node_Expression_Constant $key */ $ key = $ val [ 'key' ] ; $ value = $ val [ 'value' ] ; if ( 'id' === $ key -> getAttribute ( 'value' ) ) { $ hasId = true ; if ( $ value instanceof \ Twig_Node_Expression_Constant ) { $ loopKey = ', $key' ; $ loopId = $ value -> getAttribute ( 'value' ) ; break ; } } } if ( ! $ hasId ) { $ loopKey = ', $key' ; $ loopId = $ this -> getAttribute ( 'name' ) ; } } return [ $ loopKey , $ loopId ] ; }
Build the loop key and loop id variables.

@return array
Build the loop key and loop id variables .