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<?php function foo(callable $arg) : callable { return $arg; } function bar() : callable { return 'hello'; } bar('hello')(); foo('hello')();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KTasL
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'bar'
          1        SEND_VAL                                                 'hello'
          2        DO_FCALL                                      0  $0      
          3        INIT_DYNAMIC_CALL                                        $0
          4        DO_FCALL                                      0          
   12     5        INIT_FCALL                                               'foo'
          6        SEND_VAL                                                 'hello'
          7        DO_FCALL                                      0  $2      
          8        INIT_DYNAMIC_CALL                                        $2
          9        DO_FCALL                                      0          
         10      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KTasL
function name:  foo
number of ops:  5
compiled vars:  !0 = $arg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        VERIFY_RETURN_TYPE                                       !0
          2      > RETURN                                                   !0
    5     3*       VERIFY_RETURN_TYPE                                       
          4*     > RETURN                                                   null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KTasL
function name:  bar
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   VERIFY_RETURN_TYPE                               ~0      'hello'
          1      > RETURN                                                   ~0
    9     2*       VERIFY_RETURN_TYPE                                       
          3*     > RETURN                                                   null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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