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<?php class C { public function __destruct() { echo 'destructed', PHP_EOL; } } $x = new C(); $fn = fn ($a, $b) => (($x = $a ** 2) + ($y = $b ** 2)) * ($x - $y); echo '- unsetting $x', PHP_EOL; unset($x); echo '- calling $fn', PHP_EOL; var_dump($fn(3, 2)); echo '- unsetting $fn', PHP_EOL; unset($fn); echo '- DONE.', PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ve3BL
function name:  (null)
number of ops:  25
compiled vars:  !0 = $x, !1 = $fn, !2 = $y
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   NEW                                                  $3      'C'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $3
    7     3        DECLARE_LAMBDA_FUNCTION                              ~6      [0]
          4        BIND_LEXICAL                                                 ~6, !0
          5        BIND_LEXICAL                                                 ~6, !2
          6        ASSIGN                                                       !1, ~6
    8     7        ECHO                                                         '-+unsetting+%24x'
          8        ECHO                                                         '%0A'
    9     9        UNSET_CV                                                     !0
   10    10        ECHO                                                         '-+calling+%24fn'
         11        ECHO                                                         '%0A'
   11    12        INIT_FCALL                                                   'var_dump'
         13        INIT_DYNAMIC_CALL                                            !1
         14        SEND_VAL_EX                                                  3
         15        SEND_VAL_EX                                                  2
         16        DO_FCALL                                          0  $8      
         17        SEND_VAR                                                     $8
         18        DO_ICALL                                                     
   12    19        ECHO                                                         '-+unsetting+%24fn'
         20        ECHO                                                         '%0A'
   13    21        UNSET_CV                                                     !1
   14    22        ECHO                                                         '-+DONE.'
         23        ECHO                                                         '%0A'
   15    24      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ve3BL
function name:  {closure:/in/ve3BL:7}
number of ops:  13
compiled vars:  !0 = $a, !1 = $b, !2 = $x, !3 = $y
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        BIND_STATIC                                                  !2
          3        BIND_STATIC                                                  !3
          4        POW                                                  ~4      !0, 2
          5        ASSIGN                                               ~5      !2, ~4
          6        POW                                                  ~6      !1, 2
          7        ASSIGN                                               ~7      !3, ~6
          8        ADD                                                  ~8      ~5, ~7
          9        SUB                                                  ~9      !2, !3
         10        MUL                                                  ~10     ~8, ~9
         11      > RETURN                                                       ~10
         12*     > RETURN                                                       null

End of Dynamic Function 0

Class C:
Function __destruct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ve3BL
function name:  __destruct
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                         'destructed'
          1        ECHO                                                         '%0A'
          2      > RETURN                                                       null

End of function __destruct

End of class C.

Generated using Vulcan Logic Dumper, using php 8.5.0


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