WordPress: Google Map Shortcode

//Google Maps Shortcode - [googlemap]
function bd_google_maps( $atts, $content = null ) {
   extract(shortcode_atts(array(
      'width'  => '', //set the width
      'height' => '', // set the height
      'src' => '' // get the src from google map embed
   ), $atts));

   return '<iframe width="' . $width . '" height="' . $height . '" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="' . $src . '&amp;output=embed"></iframe>';
}
add_shortcode( 'googlemap', 'bd_google_maps' );