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<?php namespace A\B { interface I1 {} interface I2 {} interface I3 {} class C1 implements I1 {} class C2 implements I2 {} class C3 implements I3 {} } namespace A { use A\B\I1; use A\B\I2; var_dump(is_subclass_of('\A\B\C1', I1::class)); var_dump(is_subclass_of('\A\B\C2', I2::class)); var_dump(is_subclass_of('\A\B\C3', \A\B\I3::class)); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/J1NMi
function name:  (null)
number of ops:  25
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   DECLARE_CLASS                                            'a%5Cb%5Cc1'
    8     1        DECLARE_CLASS                                            'a%5Cb%5Cc2'
    9     2        DECLARE_CLASS                                            'a%5Cb%5Cc3'
   15     3        INIT_NS_FCALL_BY_NAME                                    'A%5Cvar_dump'
          4        INIT_NS_FCALL_BY_NAME                                    'A%5Cis_subclass_of'
          5        SEND_VAL_EX                                              '%5CA%5CB%5CC1'
          6        SEND_VAL_EX                                              'A%5CB%5CI1'
          7        DO_FCALL                                      0  $0      
          8        SEND_VAR_NO_REF_EX                                       $0
          9        DO_FCALL                                      0          
   16    10        INIT_NS_FCALL_BY_NAME                                    'A%5Cvar_dump'
         11        INIT_NS_FCALL_BY_NAME                                    'A%5Cis_subclass_of'
         12        SEND_VAL_EX                                              '%5CA%5CB%5CC2'
         13        SEND_VAL_EX                                              'A%5CB%5CI2'
         14        DO_FCALL                                      0  $2      
         15        SEND_VAR_NO_REF_EX                                       $2
         16        DO_FCALL                                      0          
   17    17        INIT_NS_FCALL_BY_NAME                                    'A%5Cvar_dump'
         18        INIT_NS_FCALL_BY_NAME                                    'A%5Cis_subclass_of'
         19        SEND_VAL_EX                                              '%5CA%5CB%5CC3'
         20        SEND_VAL_EX                                              'A%5CB%5CI3'
         21        DO_FCALL                                      0  $4      
         22        SEND_VAR_NO_REF_EX                                       $4
         23        DO_FCALL                                      0          
   18    24      > RETURN                                                   1

Class A\B\I1: [no user functions]
Class A\B\I2: [no user functions]
Class A\B\I3: [no user functions]
Class A\B\C1: [no user functions]
Class A\B\C2: [no user functions]
Class A\B\C3: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
181.5 ms | 1400 KiB | 17 Q