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<?php $array = ['foo', 'bar']; $array2 = $array; $array2[] = 'baz'; print_r($array); print_r($array2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WfDFc
function name:  (null)
number of ops:  11
compiled vars:  !0 = $array, !1 = $array2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, !0
    6     2        ASSIGN_DIM                                               !1
          3        OP_DATA                                                  'baz'
    8     4        INIT_FCALL                                               'print_r'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    9     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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