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<?php declare(strict_types=1); /** * @param array $elements * @param array $extra * * @return Generator */ function gen(array $elements, array $extra = []): \Generator { foreach ($elements as $i => $head) { foreach (gen(array_slice($elements, $i + 1), $extra) as $tail) { yield array_merge([$head], $tail); } } yield $extra; } foreach (gen(['O', 'U', 'W', 'P'], ['template']) as $path) { echo implode(' / ', $path), "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 13
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 13
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/gJB8q
function name:  (null)
number of ops:  15
compiled vars:  !0 = $path
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   INIT_FCALL                                               'gen'
          1        SEND_VAL                                                 <array>
          2        SEND_VAL                                                 <array>
          3        DO_FCALL                                      0  $1      
          4      > FE_RESET_R                                       $2      $1, ->13
          5    > > FE_FETCH_R                                               $2, !0, ->13
   22     6    >   INIT_FCALL                                               'implode'
          7        SEND_VAL                                                 '+%2F+'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $3      
         10        ECHO                                                     $3
         11        ECHO                                                     '%0A'
   21    12      > JMP                                                      ->5
         13    >   FE_FREE                                                  $2
   23    14      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 26
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 26
Branch analysis from position: 5
2 jumps found. (Code = 77) Position 1 = 16, Position 2 = 24
Branch analysis from position: 16
2 jumps found. (Code = 78) Position 1 = 17, Position 2 = 24
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 24
Branch analysis from position: 26
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 26
filename:       /in/gJB8q
function name:  gen
number of ops:  29
compiled vars:  !0 = $elements, !1 = $extra, !2 = $head, !3 = $i, !4 = $tail
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      <array>
          2        GENERATOR_CREATE                                         
   12     3      > FE_RESET_R                                       $5      !0, ->26
          4    > > FE_FETCH_R                                       ~6      $5, !2, ->26
          5    >   ASSIGN                                                   !3, ~6
   13     6        INIT_FCALL_BY_NAME                                       'gen'
          7        INIT_FCALL                                               'array_slice'
          8        SEND_VAR                                                 !0
          9        ADD                                              ~8      !3, 1
         10        SEND_VAL                                                 ~8
         11        DO_ICALL                                         $9      
         12        SEND_VAR_NO_REF_EX                                       $9
         13        SEND_VAR_EX                                              !1
         14        DO_FCALL                                      0  $10     
         15      > FE_RESET_R                                       $11     $10, ->24
         16    > > FE_FETCH_R                                               $11, !4, ->24
   14    17    >   INIT_FCALL                                               'array_merge'
         18        INIT_ARRAY                                       ~12     !2
         19        SEND_VAL                                                 ~12
         20        SEND_VAR                                                 !4
         21        DO_ICALL                                         $13     
         22        YIELD                                                    $13
   13    23      > JMP                                                      ->16
         24    >   FE_FREE                                                  $11
   12    25      > JMP                                                      ->4
         26    >   FE_FREE                                                  $5
   18    27        YIELD                                                    !1
   19    28      > GENERATOR_RETURN                                         

End of function gen

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
144.34 ms | 1015 KiB | 17 Q