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<?php class A { function foo() { $f = static function() { return "BANANA"; }; return $f(); } } class B extends A {} $b = new B; var_dump($b->foo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SIALS
function name:  (null)
number of ops:  9
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   14     3        INIT_FCALL                                               'var_dump'
          4        INIT_METHOD_CALL                                         !0, 'foo'
          5        DO_FCALL                                      0  $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FSIALS%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SIALS
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   'BANANA'
    6     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FSIALS%3A4%240

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SIALS
function name:  foo
number of ops:  6
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FSIALS%3A4%240'
          1        ASSIGN                                                   !0, ~1
    7     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4      > RETURN                                                   $3
    8     5*     > RETURN                                                   null

End of function foo

End of class A.

Class B:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SIALS
function name:  foo
number of ops:  6
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FSIALS%3A4%240'
          1        ASSIGN                                                   !0, ~1
    7     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4      > RETURN                                                   $3
    8     5*     > RETURN                                                   null

End of function foo

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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