Elementor\Stylesheet::__toString PHP Метод

    public function __toString()
    {
        $style_text = '';
        foreach ($this->rules as $device_name => $rules) {
            $device_text = self::parse_rules($rules);
            if ($device_text && isset($this->devices[$device_name])) {
                $device_text = '@media(max-width: ' . $this->devices[$device_name] . 'px){' . $device_text . '}';
            }
            $style_text .= $device_text;
        }
        return $style_text;
    }