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<?php $foo = array(0,1,2); $foo = array_filter($foo);
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/9q237
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, <array>
   3     1        INIT_FCALL                                               'array_filter'
         2        SEND_VAR                                                 !0
         3        DO_ICALL                                         $2      
         4        ASSIGN                                                   !0, $2
         5      > RETURN                                                   1

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