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<?php function calc($x) { return function($y = null) use ($x) { if (is_callable($y)) { return $y(...$x); } else { $args = (array) $x; $args[] = $y; return calc($args); } }; } $sum = function(...$args) { return array_sum($args); }; echo calc(5)(3)(2)($sum), PHP_EOL; echo calc(1)(2)($sum), PHP_EOL; echo calc(2)(3)('pow'), PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r0emm
function name:  (null)
number of ops:  39
compiled vars:  !0 = $sum
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   16     0  E >   DECLARE_LAMBDA_FUNCTION                              ~1      [0]
          1        ASSIGN                                                       !0, ~1
   18     2        INIT_FCALL                                                   'calc'
          3        SEND_VAL                                                     5
          4        DO_FCALL                                          0  $3      
          5        INIT_DYNAMIC_CALL                                            $3
          6        SEND_VAL_EX                                                  3
          7        DO_FCALL                                          0  $4      
          8        INIT_DYNAMIC_CALL                                            $4
          9        SEND_VAL_EX                                                  2
         10        DO_FCALL                                          0  $5      
         11        INIT_DYNAMIC_CALL                                            $5
         12        SEND_VAR_EX                                                  !0
         13        DO_FCALL                                          0  $6      
         14        ECHO                                                         $6
         15        ECHO                                                         '%0A'
   19    16        INIT_FCALL                                                   'calc'
         17        SEND_VAL                                                     1
         18        DO_FCALL                                          0  $7      
         19        INIT_DYNAMIC_CALL                                            $7
         20        SEND_VAL_EX                                                  2
         21        DO_FCALL                                          0  $8      
         22        INIT_DYNAMIC_CALL                                            $8
         23        SEND_VAR_EX                                                  !0
         24        DO_FCALL                                          0  $9      
         25        ECHO                                                         $9
         26        ECHO                                                         '%0A'
   20    27        INIT_FCALL                                                   'calc'
         28        SEND_VAL                                                     2
         29        DO_FCALL                                          0  $10     
         30        INIT_DYNAMIC_CALL                                            $10
         31        SEND_VAL_EX                                                  3
         32        DO_FCALL                                          0  $11     
         33        INIT_DYNAMIC_CALL                                            $11
         34        SEND_VAL_EX                                                  'pow'
         35        DO_FCALL                                          0  $12     
         36        ECHO                                                         $12
         37        ECHO                                                         '%0A'
   21    38      > 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/r0emm
function name:  {closure:/in/r0emm:16}
number of ops:  6
compiled vars:  !0 = $args
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   16     0  E >   RECV_VARIADIC                                        !0      
          1        INIT_FCALL                                                   'array_sum'
          2        SEND_VAR                                                     !0
          3        DO_ICALL                                             $1      
          4      > RETURN                                                       $1
          5*     > RETURN                                                       null

End of Dynamic Function 0

Function calc:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r0emm
function name:  calc
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   RECV                                                 !0      
    4     1        DECLARE_LAMBDA_FUNCTION                              ~1      [0]
          2        BIND_LEXICAL                                                 ~1, !0
   13     3      > RETURN                                                       ~1
   14     4*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r0emm
function name:  {closure:calc():4}
number of ops:  21
compiled vars:  !0 = $y, !1 = $x, !2 = $args
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   RECV_INIT                                            !0      null
          1        BIND_STATIC                                                  !1
    6     2        INIT_FCALL                                                   'is_callable'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                             $3      
          5      > JMPZ                                                         $3, ->12
    7     6    >   INIT_DYNAMIC_CALL                                            !0
          7        SEND_UNPACK                                                  !1
          8        CHECK_UNDEF_ARGS                                             
          9        DO_FCALL                                          1  $4      
         10      > RETURN                                                       $4
    6    11*       JMP                                                          ->20
    9    12    >   CAST                                              7  ~5      !1
         13        ASSIGN                                                       !2, ~5
   10    14        ASSIGN_DIM                                                   !2
         15        OP_DATA                                                      !0
   11    16        INIT_FCALL_BY_NAME                                           'calc'
         17        SEND_VAR_EX                                                  !2
         18        DO_FCALL                                          0  $8      
         19      > RETURN                                                       $8
   13    20*     > RETURN                                                       null

End of Dynamic Function 0

End of function calc

Generated using Vulcan Logic Dumper, using php 8.5.0


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