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<?php $a = $b = 2; echo $a.' - '.$b; $a = 4; echo $a.' - '.$b; $b = 5; echo $a.' - '.$b;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0in8R
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                           ~2      !1, 2
          1        ASSIGN                                                   !0, ~2
    3     2        CONCAT                                           ~4      !0, '+-+'
          3        CONCAT                                           ~5      ~4, !1
          4        ECHO                                                     ~5
    4     5        ASSIGN                                                   !0, 4
    5     6        CONCAT                                           ~7      !0, '+-+'
          7        CONCAT                                           ~8      ~7, !1
          8        ECHO                                                     ~8
    6     9        ASSIGN                                                   !1, 5
    7    10        CONCAT                                           ~10     !0, '+-+'
         11        CONCAT                                           ~11     ~10, !1
         12        ECHO                                                     ~11
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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