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<?php class Qq { } class Ww extends Qq { } var_dump(is_subclass_of('Ww', 'Qq')); var_dump(is_subclass_of('Qq', 'Qq'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LWtYK
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'is_subclass_of'
          2        SEND_VAL                                                 'Ww'
          3        SEND_VAL                                                 'Qq'
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
   12     7        INIT_FCALL                                               'var_dump'
          8        INIT_FCALL                                               'is_subclass_of'
          9        SEND_VAL                                                 'Qq'
         10        SEND_VAL                                                 'Qq'
         11        DO_ICALL                                         $2      
         12        SEND_VAR                                                 $2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Class Qq: [no user functions]
Class Ww: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.68 ms | 1394 KiB | 17 Q