src/Db.php
public function checkDbExists($name)
    {
        $data = $this->query("SELECT COUNT(*) AS total FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '".$this->escape($name)."'", true);
        if( isset($data['0']['total']) && $data['0']['total'] == '1' )
        {
            return true;    
        }
        
        return false;
    }
public function checkDbExists($name)
    {
        $data = $this->query("SELECT COUNT(*) AS total FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '".$this->escape($name)."'", true);
        if( isset($data['0']['total']) && $data['0']['total'] == '1' )
        {
            return true;    
        }
        
        return false;
    }
Determines whether a given database exists
@param string $name
@return boolean