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<?php $var = 'test'; $var2 = 'test2'; $func = function()use($var,$var2) { echo $var; }; $ref = new ReflectionFunction($func); var_dump($ref); $functionParameters = []; var_dump($ref->getStaticVariables());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hDl07
function name:  (null)
number of ops:  20
compiled vars:  !0 = $var, !1 = $var2, !2 = $func, !3 = $ref, !4 = $functionParameters
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'test'
    5     1        ASSIGN                                                   !1, 'test2'
    6     2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FhDl07%3A6%240'
          3        BIND_LEXICAL                                             ~7, !0
          4        BIND_LEXICAL                                             ~7, !1
          5        ASSIGN                                                   !2, ~7
   10     6        NEW                                              $9      'ReflectionFunction'
          7        SEND_VAR_EX                                              !2
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !3, $9
   11    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !3
         12        DO_ICALL                                                 
   12    13        ASSIGN                                                   !4, <array>
   13    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !3, 'getStaticVariables'
         16        DO_FCALL                                      0  $14     
         17        SEND_VAR                                                 $14
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FhDl07%3A6%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hDl07
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $var, !1 = $var2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   BIND_STATIC                                              !0
          1        BIND_STATIC                                              !1
    7     2        ECHO                                                     !0
    8     3      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FhDl07%3A6%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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