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<?php $keys = array(1,2,3,4,5); function myFunction($key){ return array_key_exists($key, $array); } array_walk_recursive($keys, 'myFunction');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5JTgC
function name:  (null)
number of ops:  6
compiled vars:  !0 = $keys
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'array_walk_recursive'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'myFunction'
          4        DO_ICALL                                                 
          5      > RETURN                                                   1

Function myfunction:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5JTgC
function name:  myFunction
number of ops:  4
compiled vars:  !0 = $key, !1 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        ARRAY_KEY_EXISTS                                 ~2      !0, !1
          2      > RETURN                                                   ~2
    7     3*     > RETURN                                                   null

End of function myfunction

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