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<?php class A { public function b() {} } var_dump(is_callable('A::b'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HgXfa
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'is_callable'
          2        SEND_VAL                                                     'A%3A%3Ab'
          3        DO_ICALL                                             $0      
          4        SEND_VAR                                                     $0
          5        DO_ICALL                                                     
          6      > RETURN                                                       1

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

End of function b

End of class A.

Generated using Vulcan Logic Dumper, using php 8.5.0


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