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<?php $a = &$b; $b = 1; echo $a; echo "\n---\n"; $d = [1]; $c = &$d[0]; $d[0] = 2; var_dump($c);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o1qr9
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a, !1 = $b, !2 = $d, !3 = $c
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_REF                                                   !0, !1
    3     1        ASSIGN                                                       !1, 1
    4     2        ECHO                                                         !0
    5     3        ECHO                                                         '%0A---%0A'
    6     4        ASSIGN                                                       !2, <array>
    7     5        FETCH_DIM_W                                          $7      !2, 0
          6        ASSIGN_REF                                                   !3, $7
    8     7        ASSIGN_DIM                                                   !2, 0
          8        OP_DATA                                                      2
    9     9        INIT_FCALL                                                   'var_dump'
         10        SEND_VAR                                                     !3
         11        DO_ICALL                                                     
         12      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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