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<?php function generator($n) { if ($n <= 0) { yield 0; } else { yield $n; foreach(generator($n - 1) as $l) { yield $l; } } } foreach(generator(10) as $l) { print $l; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/Hd0OE
function name:  (null)
number of ops:  9
compiled vars:  !0 = $l
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   INIT_FCALL                                               'generator'
          1        SEND_VAL                                                 10
          2        DO_FCALL                                      0  $1      
          3      > FE_RESET_R                                       $2      $1, ->7
          4    > > FE_FETCH_R                                               $2, !0, ->7
   15     5    >   ECHO                                                     !0
   14     6      > JMP                                                      ->4
          7    >   FE_FREE                                                  $2
   16     8      > RETURN                                                   1

Function generator:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 77) Position 1 = 12, Position 2 = 15
Branch analysis from position: 12
2 jumps found. (Code = 78) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
Branch analysis from position: 15
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 15
filename:       /in/Hd0OE
function name:  generator
number of ops:  17
compiled vars:  !0 = $n, !1 = $l
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        GENERATOR_CREATE                                         
    4     2        IS_SMALLER_OR_EQUAL                                      !0, 0
          3      > JMPZ                                                     ~2, ->6
    5     4    >   YIELD                                                    0
          5      > JMP                                                      ->16
    7     6    >   YIELD                                                    !0
    8     7        INIT_FCALL_BY_NAME                                       'generator'
          8        SUB                                              ~5      !0, 1
          9        SEND_VAL_EX                                              ~5
         10        DO_FCALL                                      0  $6      
         11      > FE_RESET_R                                       $7      $6, ->15
         12    > > FE_FETCH_R                                               $7, !1, ->15
    9    13    >   YIELD                                                    !1
    8    14      > JMP                                                      ->12
         15    >   FE_FREE                                                  $7
   12    16    > > GENERATOR_RETURN                                         

End of function generator

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
177.33 ms | 1399 KiB | 14 Q