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<?php class A { public $a; } class B extends A { public $b; } $a = new B(); $a->a = 0; $a->b = 1; $b = new B(); $b->a = 1; $b->b = 0; var_dump($a < $b); (array)$a; var_dump($a < $b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HaBjF
function name:  (null)
number of ops:  25
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   NEW                                                  $2      'B'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $2
          3        ASSIGN_OBJ                                                   !0, 'a'
          4        OP_DATA                                                      0
          5        ASSIGN_OBJ                                                   !0, 'b'
          6        OP_DATA                                                      1
    6     7        NEW                                                  $7      'B'
          8        DO_FCALL                                          0          
          9        ASSIGN                                                       !1, $7
         10        ASSIGN_OBJ                                                   !1, 'a'
         11        OP_DATA                                                      1
         12        ASSIGN_OBJ                                                   !1, 'b'
         13        OP_DATA                                                      0
    7    14        INIT_FCALL                                                   'var_dump'
         15        IS_SMALLER                                           ~12     !0, !1
         16        SEND_VAL                                                     ~12
         17        DO_ICALL                                                     
    8    18        CAST                                              7  ~14     !0
         19        FREE                                                         ~14
    9    20        INIT_FCALL                                                   'var_dump'
         21        IS_SMALLER                                           ~15     !0, !1
         22        SEND_VAL                                                     ~15
         23        DO_ICALL                                                     
         24      > RETURN                                                       1

Class A: [no user functions]
Class B: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


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