FluidTYPO3\Vhs\ViewHelpers\Format\ReplaceViewHelper::render PHP Метод

    public function render($substring, $content = null, $replacement = '', $count = null, $caseSensitive = true)
    {
        if (null === $content) {
            $content = $this->renderChildren();
        }
        $function = true === $caseSensitive ? 'str_replace' : 'str_ireplace';
        return $function($substring, $replacement, $content, $count);
    }