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<?php $a = 'outside'; $f = function () use ($a) { echo $a; }; class C { public static function foo($f) { $a = 'inside'; $f(); } } C::foo($f);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pXfQO
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a, !1 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'outside'
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FpXfQO%3A4%240'
          2        BIND_LEXICAL                                             ~3, !0
          3        ASSIGN                                                   !1, ~3
   15     4        INIT_STATIC_METHOD_CALL                                  'C', 'foo'
          5        SEND_VAR                                                 !1
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FpXfQO%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pXfQO
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   BIND_STATIC                                              !0
    5     1        ECHO                                                     !0
    6     2      > RETURN                                                   null

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

Class C:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pXfQO
function name:  foo
number of ops:  5
compiled vars:  !0 = $f, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
   10     1        ASSIGN                                                   !1, 'inside'
   11     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0          
   12     4      > RETURN                                                   null

End of function foo

End of class C.

Generated using Vulcan Logic Dumper, using php 8.0.0


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