public function getCenterLat()
    {
        return (is_null($this->getSouthWest()) || is_null($this->getNorthEast()))
            ? null
            : floatval(($this->getSouthWest()->getLat() + $this->getNorthEast()->getLat()) / 2);
    }
public function getCenterLat()
    {
        return (is_null($this->getSouthWest()) || is_null($this->getNorthEast()))
            ? null
            : floatval(($this->getSouthWest()->getLat() + $this->getNorthEast()->getLat()) / 2);
    }
public function getCenterLat ( ) { return ( is_null ( $ this -> getSouthWest ( ) ) || is_null ( $ this -> getNorthEast ( ) ) ) ? null : floatval ( ( $ this -> getSouthWest ( ) -> getLat ( ) + $ this -> getNorthEast ( ) -> getLat ( ) ) / 2 ) ; }
Get the latitude of the center of the zone
@return integer
Get the latitude of the center of the zone