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<?php $a = array(); foreach (range(1, 1000) as $i) { $a []= new StdClass; $a[$i]->test = $a[$i--]; } print_r($a[0]);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 17
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 17
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
filename:       /in/vHead
function name:  (null)
number of ops:  23
compiled vars:  !0 = $a, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'range'
          2        SEND_VAL                                                 1
          3        SEND_VAL                                                 1000
          4        DO_ICALL                                         $3      
          5      > FE_RESET_R                                       $4      $3, ->17
          6    > > FE_FETCH_R                                               $4, !1, ->17
    5     7    >   NEW                                              $6      'StdClass'
          8        DO_FCALL                                      0          
          9        ASSIGN_DIM                                               !0
         10        OP_DATA                                                  $6
    6    11        POST_DEC                                         ~10     !1
         12        FETCH_DIM_R                                      ~11     !0, ~10
         13        FETCH_DIM_W                                      $8      !0, !1
         14        ASSIGN_OBJ                                               $8, 'test'
         15        OP_DATA                                                  ~11
    4    16      > JMP                                                      ->6
         17    >   FE_FREE                                                  $4
    8    18        INIT_FCALL                                               'print_r'
         19        FETCH_DIM_R                                      ~12     !0, 0
         20        SEND_VAL                                                 ~12
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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