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<?php $outer = function ( $n ) { echo "Outer\n"; $times = 0; $inner = function () use ( &$times, &$inner, $n ) { echo "Inner : ${times}\n"; $times++; if ( $times < $n ){ $inner(); } }; return $inner; }; $inner = $outer(4); $inner(); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bJcJR
function name:  (null)
number of ops:  9
compiled vars:  !0 = $outer, !1 = $inner
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          1        ASSIGN                                                       !0, ~2
   18     2        INIT_DYNAMIC_CALL                                            !0
          3        SEND_VAL_EX                                                  4
          4        DO_FCALL                                          0  $4      
          5        ASSIGN                                                       !1, $4
   19     6        INIT_DYNAMIC_CALL                                            !1
          7        DO_FCALL                                          0          
   20     8      > 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/bJcJR
function name:  {closure:/in/bJcJR:2}
number of ops:  10
compiled vars:  !0 = $n, !1 = $times, !2 = $inner
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   RECV                                                 !0      
    3     1        ECHO                                                         'Outer%0A'
    4     2        ASSIGN                                                       !1, 0
    6     3        DECLARE_LAMBDA_FUNCTION                              ~4      [0]
          4        BIND_LEXICAL                                                 ~4, !1
          5        BIND_LEXICAL                                                 ~4, !2
          6        BIND_LEXICAL                                                 ~4, !0
          7        ASSIGN                                                       !2, ~4
   15     8      > RETURN                                                       !2
   16     9*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/bJcJR
function name:  {closure:{closure:/in/bJcJR:2}:6}
number of ops:  13
compiled vars:  !0 = $times, !1 = $inner, !2 = $n
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   BIND_STATIC                                                  !0
          1        BIND_STATIC                                                  !1
          2        BIND_STATIC                                                  !2
    7     3        ROPE_INIT                                         3  ~4      'Inner+%3A+'
          4        ROPE_ADD                                          1  ~4      ~4, !0
          5        ROPE_END                                          2  ~3      ~4, '%0A'
          6        ECHO                                                         ~3
    8     7        PRE_INC                                                      !0
    9     8        IS_SMALLER                                                   !0, !2
          9      > JMPZ                                                         ~7, ->12
   10    10    >   INIT_DYNAMIC_CALL                                            !1
         11        DO_FCALL                                          0          
   13    12    > > RETURN                                                       null

End of Dynamic Function 0

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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174.06 ms | 3299 KiB | 13 Q