public function get($ph)
    {
        if (isset($this->phs[$ph])) {
            return $this->phs[$ph];
        }
        
        return null;
    }
public function get($ph)
    {
        if (isset($this->phs[$ph])) {
            return $this->phs[$ph];
        }
        
        return null;
    }
public function get ( $ ph ) { if ( isset ( $ this -> phs [ $ ph ] ) ) { return $ this -> phs [ $ ph ] ; } return null ; }
Get global placeholder

@param string $ph
@return mixed|null
Get global placeholder