The Yahoo! Maps XML is based on geoRSS 2.0
Services_Yahoo_Maps_XMLDocument __construct( [string $file = false])
void addGroup( array $options)
void addItem( array $options)
void setBrandingImage( $options, string $imageURL)
void setDefaultViewNumbered( [boolean $defaultViewNumbered = true])
void setDescription( string $description)
void setLanguageCode( string $languageCode)
void setLatitude( float $latitude)
void setLink( string $link)
void setLongitude( float $longitude)
void setTitle( string $title)
void setZoomLevel( integer $zoomLevel)
boolean toFile( string $file)
string toXML( )