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<?php $a='h1'; $a++; echo "A: $a\n"; $b='h1'; $b+=1; echo "B: $b\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mZNMm
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'h1'
    3     1        PRE_INC                                                  !0
    4     2        ROPE_INIT                                     3  ~5      'A%3A+'
          3        ROPE_ADD                                      1  ~5      ~5, !0
          4        ROPE_END                                      2  ~4      ~5, '%0A'
          5        ECHO                                                     ~4
    6     6        ASSIGN                                                   !1, 'h1'
    7     7        ASSIGN_OP                                     1          !1, 1
    8     8        ROPE_INIT                                     3  ~10     'B%3A+'
          9        ROPE_ADD                                      1  ~10     ~10, !1
         10        ROPE_END                                      2  ~9      ~10, '%0A'
         11        ECHO                                                     ~9
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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