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<?php class Foo { } class Bar extends Foo { } var_dump(is_a('Foo', 'Foo', true)); var_dump(is_a('Bar', 'Foo', true)); var_dump(is_a('Bar', 'Bar', true));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JSpHE
function name:  (null)
number of ops:  25
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'is_a'
          2        SEND_VAL                                                 'Foo'
          3        SEND_VAL                                                 'Foo'
          4        SEND_VAL                                                 <true>
          5        DO_ICALL                                         $0      
          6        SEND_VAR                                                 $0
          7        DO_ICALL                                                 
   14     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'is_a'
         10        SEND_VAL                                                 'Bar'
         11        SEND_VAL                                                 'Foo'
         12        SEND_VAL                                                 <true>
         13        DO_ICALL                                         $2      
         14        SEND_VAR                                                 $2
         15        DO_ICALL                                                 
   15    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'is_a'
         18        SEND_VAL                                                 'Bar'
         19        SEND_VAL                                                 'Bar'
         20        SEND_VAL                                                 <true>
         21        DO_ICALL                                         $4      
         22        SEND_VAR                                                 $4
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Class Foo: [no user functions]
Class Bar: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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