src/Resource.php
public static function getImageUrl()
    {
        if (isset(self::$_imageUrl)) {
            return self::$_imageUrl;
        }
        $useTheme = !defined('OPENBIZ_USE_THEME') ? 0 : OPENBIZ_USE_THEME;
        $themeUrl = !defined('OPENBIZ_THEME_URL') ? "../themes" : OPENBIZ_THEME_URL;
        $themeName = Resource::getCurrentTheme();
        if ($useTheme) {
            self::$_imageUrl = "$themeUrl/$themeName/images";
        } else {
            self::$_imageUrl = "../images";
        }
        return self::$_imageUrl;
    }
public static function getImageUrl()
    {
        if (isset(self::$_imageUrl)) {
            return self::$_imageUrl;
        }
        $useTheme = !defined('OPENBIZ_USE_THEME') ? 0 : OPENBIZ_USE_THEME;
        $themeUrl = !defined('OPENBIZ_THEME_URL') ? "../themes" : OPENBIZ_THEME_URL;
        $themeName = Resource::getCurrentTheme();
        if ($useTheme) {
            self::$_imageUrl = "$themeUrl/$themeName/images";
        } else {
            self::$_imageUrl = "../images";
        }
        return self::$_imageUrl;
    }
Get image URL
@return string