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<?php class Foo{ private $a; function getAnon(){ $b = 1; return function() use ($b) { echo $b; echo $this->a; }; } } $x = new Foo(); $z = $x->getAnon(); $z(); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smvPt
function name:  (null)
number of ops:  9
compiled vars:  !0 = $x, !1 = $z
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   NEW                                                  $2      'Foo'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $2
   16     3        INIT_METHOD_CALL                                             !0, 'getAnon'
          4        DO_FCALL                                          0  $5      
          5        ASSIGN                                                       !1, $5
   18     6        INIT_DYNAMIC_CALL                                            !1
          7        DO_FCALL                                          0          
   19     8      > RETURN                                                       1

Class Foo:
Function getanon:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smvPt
function name:  getAnon
number of ops:  5
compiled vars:  !0 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                       !0, 1
    8     1        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          2        BIND_LEXICAL                                                 ~2, !0
   11     3      > RETURN                                                       ~2
   12     4*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smvPt
function name:  {closure:Foo::getAnon():8}
number of ops:  5
compiled vars:  !0 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   BIND_STATIC                                                  !0
    9     1        ECHO                                                         !0
   10     2        FETCH_OBJ_R                                          ~1      'a'
          3        ECHO                                                         ~1
   11     4      > RETURN                                                       null

End of Dynamic Function 0

End of function getanon

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.5.0


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