public function getSlotManager($slotName)
    {
        if ( ! is_string($slotName)) {
            return null;
        }

        return (array_key_exists($slotName, $this->slotManagers)) ? $this->slotManagers[$slotName] : null;
    }
public function getSlotManager($slotName)
    {
        if ( ! is_string($slotName)) {
            return null;
        }

        return (array_key_exists($slotName, $this->slotManagers)) ? $this->slotManagers[$slotName] : null;
    }
public function getSlotManager ( $ slotName ) { if ( ! is_string ( $ slotName ) ) { return null ; } return ( array_key_exists ( $ slotName , $ this -> slotManagers ) ) ? $ this -> slotManagers [ $ slotName ] : null ; }
Returns the slot manager that matches the given parameter

@param  string             $slotName
@return null|SlotManager

@api
Returns the slot manager that matches the given parameter