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<?php Class Foo { public static function staticMethod() { } public function nonStaticMethod() { } } var_dump(is_callable('Foo::staticMethod')); var_dump(is_callable(['Foo', 'staticMethod'])); // single : is a symfony/drupala concept var_dump(is_callable('Foo:staticMethod')); // non-static methods are not callable by PHP. var_dump(is_callable('Foo:nonStaticMethod'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lP5bh
function name:  (null)
number of ops:  25
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'is_callable'
          2        SEND_VAL                                                     'Foo%3A%3AstaticMethod'
          3        DO_ICALL                                             $0      
          4        SEND_VAR                                                     $0
          5        DO_ICALL                                                     
   16     6        INIT_FCALL                                                   'var_dump'
          7        INIT_FCALL                                                   'is_callable'
          8        SEND_VAL                                                     <array>
          9        DO_ICALL                                             $2      
         10        SEND_VAR                                                     $2
         11        DO_ICALL                                                     
   19    12        INIT_FCALL                                                   'var_dump'
         13        INIT_FCALL                                                   'is_callable'
         14        SEND_VAL                                                     'Foo%3AstaticMethod'
         15        DO_ICALL                                             $4      
         16        SEND_VAR                                                     $4
         17        DO_ICALL                                                     
   22    18        INIT_FCALL                                                   'var_dump'
         19        INIT_FCALL                                                   'is_callable'
         20        SEND_VAL                                                     'Foo%3AnonStaticMethod'
         21        DO_ICALL                                             $6      
         22        SEND_VAR                                                     $6
         23        DO_ICALL                                                     
         24      > RETURN                                                       1

Class Foo:
Function staticmethod:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lP5bh
function name:  staticMethod
number of ops:  1
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E > > RETURN                                                       null

End of function staticmethod

Function nonstaticmethod:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lP5bh
function name:  nonStaticMethod
number of ops:  1
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   11     0  E > > RETURN                                                       null

End of function nonstaticmethod

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.5.0


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