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<?php class ParentClass { public function foo() { } } class ChildClass extends ParentClass { public function foo() { } } $parentCallable = [new ChildClass(), 'parent::foo']; $childCallable = [new ChildClass(), 'self::foo']; \is_callable($parentCallable, false, $parentName); \is_callable($childCallable, false, $childName); echo $parentName; echo "\n"; echo $childName;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aUfCc
function name:  (null)
number of ops:  24
compiled vars:  !0 = $parentCallable, !1 = $childCallable, !2 = $parentName, !3 = $childName
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   NEW                                                  $4      'ChildClass'
          1        DO_FCALL                                          0          
          2        INIT_ARRAY                                           ~6      $4
          3        ADD_ARRAY_ELEMENT                                    ~6      'parent%3A%3Afoo'
          4        ASSIGN                                                       !0, ~6
   16     5        NEW                                                  $8      'ChildClass'
          6        DO_FCALL                                          0          
          7        INIT_ARRAY                                           ~10     $8
          8        ADD_ARRAY_ELEMENT                                    ~10     'self%3A%3Afoo'
          9        ASSIGN                                                       !1, ~10
   18    10        INIT_FCALL                                                   'is_callable'
         11        SEND_VAR                                                     !0
         12        SEND_VAL                                                     <false>
         13        SEND_REF                                                     !2
         14        DO_ICALL                                                     
   19    15        INIT_FCALL                                                   'is_callable'
         16        SEND_VAR                                                     !1
         17        SEND_VAL                                                     <false>
         18        SEND_REF                                                     !3
         19        DO_ICALL                                                     
   21    20        ECHO                                                         !2
   22    21        ECHO                                                         '%0A'
   23    22        ECHO                                                         !3
   24    23      > RETURN                                                       1

Class ParentClass:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aUfCc
function name:  foo
number of ops:  1
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E > > RETURN                                                       null

End of function foo

End of class ParentClass.

Class ChildClass:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aUfCc
function name:  foo
number of ops:  1
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E > > RETURN                                                       null

End of function foo

End of class ChildClass.

Generated using Vulcan Logic Dumper, using php 8.5.0


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