src/Classes/Module.php
public static function isInstalled($author, $name)
    {
        if (!self::checkOnDisk($author, $name))
            return false;
        return self::getFromDb($author, $name);
    }
public static function isInstalled($author, $name)
    {
        if (!self::checkOnDisk($author, $name))
            return false;
        return self::getFromDb($author, $name);
    }
public static function isInstalled ( $ author , $ name ) { if ( ! self :: checkOnDisk ( $ author , $ name ) ) return false ; return self :: getFromDb ( $ author , $ name ) ; }
check module is installed
@param $author
@param $name
@return bool
check module is installed