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<?php $a = 'texta'; $b = 'textb'; $a = $a ^ $b; $b = $a ^ $b; $a = $a ^ $b; echo "a = $a; b = $b";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GnTn5
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                                                   !0, 'texta'
    3     1        ASSIGN                                                   !1, 'textb'
    4     2        BW_XOR                                           ~4      !0, !1
          3        ASSIGN                                                   !0, ~4
    5     4        BW_XOR                                           ~6      !0, !1
          5        ASSIGN                                                   !1, ~6
    6     6        BW_XOR                                           ~8      !0, !1
          7        ASSIGN                                                   !0, ~8
    7     8        ROPE_INIT                                     4  ~11     'a+%3D+'
          9        ROPE_ADD                                      1  ~11     ~11, !0
         10        ROPE_ADD                                      2  ~11     ~11, '%3B+b+%3D+'
         11        ROPE_END                                      3  ~10     ~11, !1
         12        ECHO                                                     ~10
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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