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<?php $o = new stdClass(); $o->x = 1; $o->y = 2; var_dump(@key($o)); var_dump(@current($o)); @next($o); var_dump(@key($o)); var_dump(@current($o)); @reset($o); var_dump(@key($o)); var_dump(@current($o)); unset($o->x); var_dump(@key($o)); var_dump(@current($o));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LKlpQ
function name:  (null)
number of ops:  83
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        ASSIGN_OBJ                                               !0, 'x'
          4        OP_DATA                                                  1
    5     5        ASSIGN_OBJ                                               !0, 'y'
          6        OP_DATA                                                  2
    7     7        INIT_FCALL                                               'var_dump'
          8        BEGIN_SILENCE                                    ~6      
          9        INIT_FCALL                                               'key'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $7      
         12        END_SILENCE                                              ~6
         13        SEND_VAR                                                 $7
         14        DO_ICALL                                                 
    8    15        INIT_FCALL                                               'var_dump'
         16        BEGIN_SILENCE                                    ~9      
         17        INIT_FCALL                                               'current'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $10     
         20        END_SILENCE                                              ~9
         21        SEND_VAR                                                 $10
         22        DO_ICALL                                                 
    9    23        BEGIN_SILENCE                                    ~12     
         24        INIT_FCALL                                               'next'
         25        SEND_REF                                                 !0
         26        DO_ICALL                                                 
         27        END_SILENCE                                              ~12
   10    28        INIT_FCALL                                               'var_dump'
         29        BEGIN_SILENCE                                    ~14     
         30        INIT_FCALL                                               'key'
         31        SEND_VAR                                                 !0
         32        DO_ICALL                                         $15     
         33        END_SILENCE                                              ~14
         34        SEND_VAR                                                 $15
         35        DO_ICALL                                                 
   11    36        INIT_FCALL                                               'var_dump'
         37        BEGIN_SILENCE                                    ~17     
         38        INIT_FCALL                                               'current'
         39        SEND_VAR                                                 !0
         40        DO_ICALL                                         $18     
         41        END_SILENCE                                              ~17
         42        SEND_VAR                                                 $18
         43        DO_ICALL                                                 
   12    44        BEGIN_SILENCE                                    ~20     
         45        INIT_FCALL                                               'reset'
         46        SEND_REF                                                 !0
         47        DO_ICALL                                                 
         48        END_SILENCE                                              ~20
   13    49        INIT_FCALL                                               'var_dump'
         50        BEGIN_SILENCE                                    ~22     
         51        INIT_FCALL                                               'key'
         52        SEND_VAR                                                 !0
         53        DO_ICALL                                         $23     
         54        END_SILENCE                                              ~22
         55        SEND_VAR                                                 $23
         56        DO_ICALL                                                 
   14    57        INIT_FCALL                                               'var_dump'
         58        BEGIN_SILENCE                                    ~25     
         59        INIT_FCALL                                               'current'
         60        SEND_VAR                                                 !0
         61        DO_ICALL                                         $26     
         62        END_SILENCE                                              ~25
         63        SEND_VAR                                                 $26
         64        DO_ICALL                                                 
   15    65        UNSET_OBJ                                                !0, 'x'
   16    66        INIT_FCALL                                               'var_dump'
         67        BEGIN_SILENCE                                    ~28     
         68        INIT_FCALL                                               'key'
         69        SEND_VAR                                                 !0
         70        DO_ICALL                                         $29     
         71        END_SILENCE                                              ~28
         72        SEND_VAR                                                 $29
         73        DO_ICALL                                                 
   17    74        INIT_FCALL                                               'var_dump'
         75        BEGIN_SILENCE                                    ~31     
         76        INIT_FCALL                                               'current'
         77        SEND_VAR                                                 !0
         78        DO_ICALL                                         $32     
         79        END_SILENCE                                              ~31
         80        SEND_VAR                                                 $32
         81        DO_ICALL                                                 
         82      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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