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<?php function chunk_iterator(Iterator $it, int $n) { $chunk = []; for($i = 0; $it->valid(); $i++){ $chunk[] = $it->current(); $it->next(); if(count($chunk) == $n){ yield $chunk; $chunk = []; } } if(count($chunk)){ yield $chunk; } } // For demonstration, create an iterator from array $arr = range(20, 40, 1); $it = new ArrayIterator($arr); // Iterate over the generator foreach(chunk_iterator($it, 6) as $c){ echo implode(',', $c)."\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 15, Position 2 = 20
Branch analysis from position: 15
2 jumps found. (Code = 78) Position 1 = 16, Position 2 = 20
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
filename:       /in/dMjCI
function name:  (null)
number of ops:  22
compiled vars:  !0 = $arr, !1 = $it, !2 = $c
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   22     0  E >   INIT_FCALL                                                   'range'
          1        SEND_VAL                                                     20
          2        SEND_VAL                                                     40
          3        SEND_VAL                                                     1
          4        DO_ICALL                                             $3      
          5        ASSIGN                                                       !0, $3
   23     6        NEW                                                  $5      'ArrayIterator'
          7        SEND_VAR_EX                                                  !0
          8        DO_FCALL                                          0          
          9        ASSIGN                                                       !1, $5
   26    10        INIT_FCALL                                                   'chunk_iterator'
         11        SEND_VAR                                                     !1
         12        SEND_VAL                                                     6
         13        DO_FCALL                                          0  $8      
         14      > FE_RESET_R                                           $9      $8, ->20
         15    > > FE_FETCH_R                                                   $9, !2, ->20
   27    16    >   FRAMELESS_ICALL_2                implode             ~10     '%2C', !2
         17        CONCAT                                               ~11     ~10, '%0A'
         18        ECHO                                                         ~11
   26    19      > JMP                                                          ->15
         20    >   FE_FREE                                                      $9
   28    21      > RETURN                                                       1

Function chunk_iterator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 6
Branch analysis from position: 21
2 jumps found. (Code = 43) Position 1 = 23, Position 2 = 24
Branch analysis from position: 23
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 24
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 6
Branch analysis from position: 21
Branch analysis from position: 6
Branch analysis from position: 17
filename:       /in/dMjCI
function name:  chunk_iterator
number of ops:  25
compiled vars:  !0 = $it, !1 = $n, !2 = $chunk, !3 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        GENERATOR_CREATE                                             
    5     3        ASSIGN                                                       !2, <array>
    7     4        ASSIGN                                                       !3, 0
          5      > JMP                                                          ->18
    8     6    >   INIT_METHOD_CALL                                             !0, 'current'
          7        DO_FCALL                                          0  $7      
          8        ASSIGN_DIM                                                   !2
          9        OP_DATA                                                      $7
    9    10        INIT_METHOD_CALL                                             !0, 'next'
         11        DO_FCALL                                          0          
   10    12        COUNT                                                ~9      !2
         13        IS_EQUAL                                                     !1, ~9
         14      > JMPZ                                                         ~10, ->17
   11    15    >   YIELD                                                        !2
   12    16        ASSIGN                                                       !2, <array>
    7    17    >   PRE_INC                                                      !3
         18    >   INIT_METHOD_CALL                                             !0, 'valid'
         19        DO_FCALL                                          0  $14     
         20      > JMPNZ                                                        $14, ->6
   16    21    >   COUNT                                                ~15     !2
         22      > JMPZ                                                         ~15, ->24
   17    23    >   YIELD                                                        !2
   19    24    > > GENERATOR_RETURN                                             

End of function chunk_iterator

Generated using Vulcan Logic Dumper, using php 8.5.0


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