3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __invoke() { } } var_dump(is_callable(new Foo));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EFjuW
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'is_callable'
          2        NEW                                              $0      'Foo'
          3        DO_FCALL                                      0          
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

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

End of function __invoke

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.35 ms | 1394 KiB | 17 Q