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<?php // Everything you enter here will be executed by our servers. Try it! function iterator_compose() { foreach (array_reverse(func_get_args()) as $it) { if (is_callable($it)) { $prev = $it; } } } function iterator_chunk($it, $chunkSize) { $chunk = []; $i = 0; foreach ($it as $val) { $chunk[] = $val; $i++; if ($i === $chunkSize) { yield $chunk; $chunk = []; $i = 0; } } } foreach (iterator_chunk(range(0, 128), 32) as $i => $c) { echo "====== Chunk $i ======\n"; var_export($c); echo "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 9, Position 2 = 20
Branch analysis from position: 9
2 jumps found. (Code = 78) Position 1 = 10, Position 2 = 20
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
filename:       /in/k5hU1
function name:  (null)
number of ops:  22
compiled vars:  !0 = $c, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   INIT_FCALL                                               'iterator_chunk'
          1        INIT_FCALL                                               'range'
          2        SEND_VAL                                                 0
          3        SEND_VAL                                                 128
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        SEND_VAL                                                 32
          7        DO_FCALL                                      0  $3      
          8      > FE_RESET_R                                       $4      $3, ->20
          9    > > FE_FETCH_R                                       ~5      $4, !0, ->20
         10    >   ASSIGN                                                   !1, ~5
   30    11        ROPE_INIT                                     3  ~8      '%3D%3D%3D%3D%3D%3D+Chunk+'
         12        ROPE_ADD                                      1  ~8      ~8, !1
         13        ROPE_END                                      2  ~7      ~8, '+%3D%3D%3D%3D%3D%3D%0A'
         14        ECHO                                                     ~7
   31    15        INIT_FCALL                                               'var_export'
         16        SEND_VAR                                                 !0
         17        DO_ICALL                                                 
   32    18        ECHO                                                     '%0A'
   29    19      > JMP                                                      ->9
         20    >   FE_FREE                                                  $4
   33    21      > RETURN                                                   1

Function iterator_compose:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 12
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 11
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/k5hU1
function name:  iterator_compose
number of ops:  14
compiled vars:  !0 = $it, !1 = $prev
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'array_reverse'
          1        FUNC_GET_ARGS                                    ~2      
          2        SEND_VAL                                                 ~2
          3        DO_ICALL                                         $3      
          4      > FE_RESET_R                                       $4      $3, ->12
          5    > > FE_FETCH_R                                               $4, !0, ->12
    7     6    >   INIT_FCALL                                               'is_callable'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $5      
          9      > JMPZ                                                     $5, ->11
    8    10    >   ASSIGN                                                   !1, !0
    6    11    > > JMP                                                      ->5
         12    >   FE_FREE                                                  $4
   11    13      > RETURN                                                   null

End of function iterator_compose

Function iterator_chunk:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 16
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 16
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 15
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 15
Branch analysis from position: 16
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 16
filename:       /in/k5hU1
function name:  iterator_chunk
number of ops:  18
compiled vars:  !0 = $it, !1 = $chunkSize, !2 = $chunk, !3 = $i, !4 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        GENERATOR_CREATE                                         
   15     3        ASSIGN                                                   !2, <array>
   16     4        ASSIGN                                                   !3, 0
   18     5      > FE_RESET_R                                       $7      !0, ->16
          6    > > FE_FETCH_R                                               $7, !4, ->16
   19     7    >   ASSIGN_DIM                                               !2
          8        OP_DATA                                                  !4
   20     9        PRE_INC                                                  !3
   21    10        IS_IDENTICAL                                             !3, !1
         11      > JMPZ                                                     ~10, ->15
   22    12    >   YIELD                                                    !2
   23    13        ASSIGN                                                   !2, <array>
   24    14        ASSIGN                                                   !3, 0
   18    15    > > JMP                                                      ->6
         16    >   FE_FREE                                                  $7
   27    17      > GENERATOR_RETURN                                         

End of function iterator_chunk

Generated using Vulcan Logic Dumper, using php 8.0.0


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