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<?php var_dump((function() { $a; global $a; $a = function() { return $a; }; })()) ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iv5oS
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fiv5oS%3A3%240'
   10     2        INIT_DYNAMIC_CALL                                        ~0
          3        DO_FCALL                                      0  $1      
          4        SEND_VAR                                                 $1
          5        DO_ICALL                                                 
   12     6      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fiv5oS%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iv5oS
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   BIND_GLOBAL                                              !0, 'a'
    7     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fiv5oS%3A7%241'
          2        ASSIGN                                                   !0, ~1
   10     3      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fiv5oS%3A3%240

Function %00%7Bclosure%7D%2Fin%2Fiv5oS%3A7%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iv5oS
function name:  {closure}
number of ops:  2
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E > > RETURN                                                   !0
    9     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fiv5oS%3A7%241

Generated using Vulcan Logic Dumper, using php 8.0.0


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