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<?php class A { function foo() { $f = function() { $name = 'this'; var_dump(${$name}); }; $f(); } } $a = new A; $a->foo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RXgEn
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   NEW                                              $1      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   13     3        INIT_METHOD_CALL                                         !0, 'foo'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FRXgEn%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RXgEn
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 'this'
    6     1        INIT_FCALL                                               'var_dump'
          2        FETCH_R                      local               ~2      !0
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    7     5      > RETURN                                                   null

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

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RXgEn
function name:  foo
number of ops:  5
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FRXgEn%3A4%240'
          1        ASSIGN                                                   !0, ~1
    9     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0          
   10     4      > RETURN                                                   null

End of function foo

End of class A.

Generated using Vulcan Logic Dumper, using php 8.0.0


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