[thrift] making generated php struct readers more compact

Summary: introducing a $bin_accel variable in struct reader scope that
         can be reference by the deserializers of each field

Reviewed By: dreiss, mcslee

Test Plan: regenerated a thrift service, compared before and after calls

Revert Plan: sure


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665478 13f79535-47bb-0310-9956-ffa450edef68
1 file changed