PHP JSON data parsing code

This code can be used to parse the data obtained by POST from the renren connection site.

 
$json_string='{"id":1,"name":"jb51","email":"admin@jb51.net","interest":["wordpress","php"]} '; 
$obj=json_decode($json_string); 
echo $obj->name; //prints foo 
echo $obj->interest[1]; //prints php 

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