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<?php class Node { public $next; public $previous; } $first = new Node(); $first->next = $first; $new = new Node(); $new->previous = $first; $new->next = $first; $first->previous = $new; var_dump($first == $new);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SttGY
function name:  (null)
number of ops:  19
compiled vars:  !0 = $first, !1 = $new
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $2      'Node'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    9     3        ASSIGN_OBJ                                               !0, 'next'
          4        OP_DATA                                                  !0
   11     5        NEW                                              $6      'Node'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $6
   12     8        ASSIGN_OBJ                                               !1, 'previous'
          9        OP_DATA                                                  !0
   13    10        ASSIGN_OBJ                                               !1, 'next'
         11        OP_DATA                                                  !0
   14    12        ASSIGN_OBJ                                               !0, 'previous'
         13        OP_DATA                                                  !1
   16    14        INIT_FCALL                                               'var_dump'
         15        IS_EQUAL                                         ~12     !0, !1
         16        SEND_VAL                                                 ~12
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Class Node: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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