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<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; // echo $obj->${data[$key]}; syntax error echo $obj->{$data[$key]}; $member = $data[$key]; echo $obj->$member; echo "${data[$key]}"; echo "{$data[$key]}"; echo "{${'data'}[$key]}";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6vYvp
function name:  (null)
number of ops:  24
compiled vars:  !0 = $obj, !1 = $data, !2 = $key, !3 = $member
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    4     3        ASSIGN_OBJ                                               !0, 'bar'
          4        OP_DATA                                                  'xyz'
    5     5        ASSIGN                                                   !1, <array>
    6     6        ASSIGN                                                   !2, 'foo'
    8     7        FETCH_DIM_R                                      ~10     !1, !2
          8        FETCH_OBJ_R                                      ~11     !0, ~10
          9        ECHO                                                     ~11
    9    10        FETCH_DIM_R                                      ~12     !1, !2
         11        ASSIGN                                                   !3, ~12
   10    12        FETCH_OBJ_R                                      ~14     !0, !3
         13        ECHO                                                     ~14
   12    14        FETCH_DIM_R                                      ~15     !1, !2
         15        CAST                                          6  ~16     ~15
         16        ECHO                                                     ~16
   13    17        FETCH_DIM_R                                      ~17     !1, !2
         18        CAST                                          6  ~18     ~17
         19        ECHO                                                     ~18
   14    20        FETCH_DIM_R                                      ~19     !1, !2
         21        CAST                                          6  ~20     ~19
         22        ECHO                                                     ~20
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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