very urgent-how to use Zend_Gdata_YouTube()

Hi All,

I want to use Zend_Gdata_YouTube() in my php with symfony framework project, But i didn't installed zend framework yet, Please help me to install this(how  can i?), I have one more doubt- Can i use Zend_Gdata_YouTube() in my php with symfony frame work project?
 
Pls help me!!!!!!!!