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<?php $A = array(3,4); $B = &$A[0]; $F = &$A[1]; $C = $A; $D = $A; var_dump($C); var_dump($D); $C[0] = $D[1]; $C[0] = 10; $D[1] = 20; var_dump($C); var_dump($D); echo $A[0] . ' ' . $A[1];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rhcs4
function name:  (null)
number of ops:  32
compiled vars:  !0 = $A, !1 = $B, !2 = $F, !3 = $C, !4 = $D
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        FETCH_DIM_W                                      $6      !0, 0
          2        ASSIGN_REF                                               !1, $6
    4     3        FETCH_DIM_W                                      $8      !0, 1
          4        ASSIGN_REF                                               !2, $8
    5     5        ASSIGN                                                   !3, !0
    6     6        ASSIGN                                                   !4, !0
    7     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !3
          9        DO_ICALL                                                 
    8    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !4
         12        DO_ICALL                                                 
    9    13        FETCH_DIM_R                                      ~15     !4, 1
         14        ASSIGN_DIM                                               !3, 0
         15        OP_DATA                                                  ~15
   11    16        ASSIGN_DIM                                               !3, 0
         17        OP_DATA                                                  10
   12    18        ASSIGN_DIM                                               !4, 1
         19        OP_DATA                                                  20
   13    20        INIT_FCALL                                               'var_dump'
         21        SEND_VAR                                                 !3
         22        DO_ICALL                                                 
   14    23        INIT_FCALL                                               'var_dump'
         24        SEND_VAR                                                 !4
         25        DO_ICALL                                                 
   15    26        FETCH_DIM_R                                      ~20     !0, 0
         27        CONCAT                                           ~21     ~20, '+'
         28        FETCH_DIM_R                                      ~22     !0, 1
         29        CONCAT                                           ~23     ~21, ~22
         30        ECHO                                                     ~23
         31      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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