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<?php $a = "b"; $a .= "cd"; $b = "a";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cZMvZ
function name:  (null)
number of ops:  4
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'b'
    4     1        ASSIGN_OP                                     8          !0, 'cd'
    5     2        ASSIGN                                                   !1, 'a'
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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