Using facebook sdk php without json + jsonwrapper doesn't work?

I am still on php 5.1.x and JSON isnt available. Now in the past i used jsonwrapper but with facebook php sdk, it doesn't seem to work

Fatal error: Uncaught exception 'Exception' with message 'Facebook needs the JSON PHP extension.'

Is t开发者_运维百科here another workaround??

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Here are a solution without install o modify nothing (spanish)

http://cimientosprevios.com/?p=39