php - How to retrieve parameters from url with a '.' -


i trying retrieve user's email address after have logged in google via openid.

the url is:

00.000.000.000/loginwithgoogle.php?openid.ns=http%3a%2f%2fspecs.openid.net%2fauth%2f2.0&openid.mode=id_res&openid.op_endpoint=https%3a%2f%2fwww.google.com%2faccounts%2fo8%2fud&openid.response_nonce=2013-08-12t20%3a52%3a27zozizkca486sfiq&openid.return_to=http%3a%2f%2f24.255.213.250%3a50005%2floginwithgoogle.php&openid.invalidate_handle=absmpf6dnmw&openid.assoc_handle=1.amlya9xt63izbhulzg8cil5xkie9bfgiv6dq_5xbjhzqjvnh4h5yrm4l2hstrxyj&openid.signed=op_endpoint%2cclaimed_id%2cidentity%2creturn_to%2cresponse_nonce%2cassoc_handle%2cns.ext1%2cext1.mode%2cext1.type.email%2cext1.value.email&openid.sig=xk06wakpupdu4jvglz0v%2f1ztmza%3d&openid.identity=https%3a%2f%2fwww.google.com%2faccounts%2fo8%2fid%3fid%3daitoawm70uatpuqujkll10schqjgxveppfsmi48&openid.claimed_id=https%3a%2f%2fwww.google.com%2faccounts%2fo8%2fid%3fid%3daitoawm70uatpuqujkll10schqjgxveppfsmi48&openid.ns.ext1=http%3a%2f%2fopenid.net%2fsrv%2fax%2f1.0&openid.ext1.mode=fetch_response &openid.ext1.type.email=http%3a%2f%2faxschema.org%2fcontact%2femail&openid.ext1.value.email=myemail%40gmail.com

the php code is:

<?php     echo $_post["openid.ext1.value.email"];     echo $_get["openid.ext1.value.email"]; ?> 

nothing displayed. php , function both working. believe problem trying parameters '.' (period). want email, if doing in overly complicated way, i'll happy hear of alternatives. in advance.

i recommend var_dump($_get) see what's getting in script.


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