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@ 2014-01-16T12:10:01Z

<?php

function getParent($child=null)
{
   //mock:
   return array(
      (object)(array('user'=>'foo', 'data'=>'fee')),
      (object)(array('user'=>'far', 'data'=>'bee')),
   );
};


$result = array_shift(array_intersect_key(getParent('baz'), array(null)))->user;

Output
Performance
VLD
References
Branches

array_intersect_key: documentation ( source)
array_shift: documentation ( source)

preferences:dark modelive preview

37.89 ms | 402 KiB | 5 Q