return isset($port)
? "mysql:host={$host};port={$port};dbname={$database}"
: "mysql:host={$host};dbname={$database}";
return isset($port)
? "mysql:host={$host};port:{$port};dbname={$database}"
: "mysql:host={$host};dbname={$database}";
protected $primaryKey = 'id';
protected $primaryKey = false;