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<?php class A { function a() {} } class B extends A {} class C extends B { function a() { var_dump( is_callable( 'parent::a' ) ); var_dump( is_callable( 'A::a' ) ); var_dump( is_callable( array( 'A', 'a' ) ) ); var_dump( method_exists( 'parent', 'a' ) ); var_dump( method_exists( 'A', 'a' ) ); } } $c = new C; $c->a();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/it5tc
function name:  (null)
number of ops:  6
compiled vars:  !0 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   NEW                                              $1      'C'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   20     3        INIT_METHOD_CALL                                         !0, 'a'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Class A:
Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/it5tc
function name:  a
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   null

End of function a

End of class A.

Class B:
Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/it5tc
function name:  a
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E > > RETURN                                                   null

End of function a

End of class B.

Class C:
Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/it5tc
function name:  a
number of ops:  33
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'is_callable'
          2        SEND_VAL                                                 'parent%3A%3Aa'
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
   12     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'is_callable'
          8        SEND_VAL                                                 'A%3A%3Aa'
          9        DO_ICALL                                         $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
   13    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'is_callable'
         14        SEND_VAL                                                 <array>
         15        DO_ICALL                                         $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
   14    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'method_exists'
         20        SEND_VAL                                                 'parent'
         21        SEND_VAL                                                 'a'
         22        DO_ICALL                                         $6      
         23        SEND_VAR                                                 $6
         24        DO_ICALL                                                 
   15    25        INIT_FCALL                                               'var_dump'
         26        INIT_FCALL                                               'method_exists'
         27        SEND_VAL                                                 'A'
         28        SEND_VAL                                                 'a'
         29        DO_ICALL                                         $8      
         30        SEND_VAR                                                 $8
         31        DO_ICALL                                                 
   16    32      > RETURN                                                   null

End of function a

End of class C.

Generated using Vulcan Logic Dumper, using php 8.0.0


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