how to send long and lat with gprs ?

hi,,

anyone here give me resource how to send long and lat with gps shield arduino . and send it with gsm/gprs shield.

here i want implementing make gps tracking. and i can monitoring with my website. with GET in code my .php to get long and lat from gps shield a send use gsp/gprs shield.

or anyone here give me advice ? what the better

thank's