How to retrieve contact by email with google api. PHP

Question

I\'m retrieving contacts with

https://www.google.com/m8/feeds/contacts/default/full/(optional contactId)

But I need to fetch contacts by email instead of id

Answer 1

Probably you have the answer already but in case your still looking :

$query = new Zend_Gdata_Query('http://www.google.com/m8/feeds/contacts/default/full?q='.$Number);

where $Number can be any part of the contact (email , address or phone number )