Post variables disappearing.

I've got an ajax call that sends two arrays of data. Portals and Stubs.
The headers look like this:

portals[630][lat] -36.876755
portals[630][lng]: 174.767649
portals[630[photo]: http://lh3.googleusercontent.com/34nlTLv5ueIf4NksgJt5XzpEACGwWPCFqjyj0mgQLJYSJns03-LjzI6nr7fw64cgyfLfgU2OtDnPYG5a58Cxxj6zLa4
portals[630][name]: Eden Garden
portals[631][lat]: -36.873148
portals[631][lng]: 174.761531
portals[631][photo]:…
Code […]

See original post by invalid@example.com (sarahk)