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<?php function sum( $a) { return function( $b) use ($a) { return $a + $b; }; } echo ${sum(2)}(3);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFBEn
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'sum'
          1        SEND_VAL                                                 2
          2        DO_FCALL                                      0  $0      
          3        FETCH_R                      local               ~1      $0
          4        INIT_DYNAMIC_CALL                                        ~1
          5        SEND_VAL_EX                                              3
          6        DO_FCALL                                      0  $2      
          7        ECHO                                                     $2
          8      > RETURN                                                   1

Function sum:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFBEn
function name:  sum
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FHFBEn%3A4%240'
          2        BIND_LEXICAL                                             ~1, !0
    6     3      > RETURN                                                   ~1
    7     4*     > RETURN                                                   null

End of function sum

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

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

Generated using Vulcan Logic Dumper, using php 8.0.0


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