Как вывести рекламу для определенных стран?

[country=RU]*[/country] и [not-country=RU]*[/not-country]

if (strpos ( $this->template, "[not-desktop]" ) !== false) {
            $this->template = preg_replace_callback ( "#\\[(not-desktop)\\](.*?)\\[/not-desktop\\]#is", array( &$this, 'check_device'), $this->template );
        }

if (strpos ( $this->template, "[country=RU]" ) !== false) {
            $this->template = preg_replace_callback ( "#\\[(country=RU)\\](.*?)\\[/country=RU\\]#is", array( &$this, 'SxGeo'), $this->template );
        }
        
if (strpos ( $this->template, "[not-country=RU]" ) !== false) {
            $this->template = preg_replace_callback ( "#\\[(not-country=RU)\\](.*?)\\[/not-country=RU\\]#is", array( &$this, 'SxGeo'), $this->template );
        }

if (strpos ( $template, "[not-desktop]" ) !== false) {
            $template = preg_replace_callback ( "#\\[(not-desktop)\\](.*?)\\[/not-desktop\\]#is", array( &$this, 'check_device'), $template );
        }

if (strpos ( $template, "[country=RU]" ) !== false) {
            $template = preg_replace_callback ( "#\\[(country=RU)\\](.*?)\\[/country=RU\\]#is", array( &$this, 'SxGeo'), $template );
        }
        
if (strpos ( $template, "[not-country=RU]" ) !== false) {
            $template = preg_replace_callback ( "#\\[(not-country=RU)\\](.*?)\\[/not-country=RU\\]#is", array( &$this, 'SxGeo'), $template );
        }