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<?php $a = array(); $b = array('count'=>5); $total = ($a['missing']+$b['count']); print $total;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nugSp
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a, !1 = $b, !2 = $total
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2        FETCH_DIM_R                                      ~5      !0, 'missing'
          3        FETCH_DIM_R                                      ~6      !1, 'count'
          4        ADD                                              ~7      ~5, ~6
          5        ASSIGN                                                   !2, ~7
    7     6        ECHO                                                     !2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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