ElementNode::renderTagContent PHP Method

    private function renderTagContent($content)
    {
        if ($this->hasChildren()) {
            $content = "\n" . $this->renderChildren() . $this->getSpaces();
        }
        if ($content === null) {
            $content = '';
        }
        if ($this->_phpVariable) {
            $content = "<?php echo " . $content . " ?>";
        } else {
            $interpolation = new Interpolation($content);
            $content = $interpolation->render();
        }
        return $content;
    }