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<?php function grange($from, $to) { for ($i = $from; $i <= $to; $i++) { yield $i; } } foreach (grange(1, Inf) as $element) { if ($element >= 20) { break; } echo $element."\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 13
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 13
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 10
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 13
Branch analysis from position: 13
filename:       /in/AbuVp
function name:  (null)
number of ops:  15
compiled vars:  !0 = $element
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'grange'
          1        SEND_VAL                                                 1
          2        FETCH_CONSTANT                                   ~1      'Inf'
          3        SEND_VAL                                                 ~1
          4        DO_FCALL                                      0  $2      
          5      > FE_RESET_R                                       $3      $2, ->13
          6    > > FE_FETCH_R                                               $3, !0, ->13
   10     7    >   IS_SMALLER_OR_EQUAL                                      20, !0
          8      > JMPZ                                                     ~4, ->10
   11     9    > > JMP                                                      ->13
   14    10    >   CONCAT                                           ~5      !0, '%0A'
         11        ECHO                                                     ~5
    9    12      > JMP                                                      ->6
         13    >   FE_FREE                                                  $3
   15    14      > RETURN                                                   1

Function grange:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 5
Branch analysis from position: 9
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 5
Branch analysis from position: 9
Branch analysis from position: 5
filename:       /in/AbuVp
function name:  grange
number of ops:  10
compiled vars:  !0 = $from, !1 = $to, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        GENERATOR_CREATE                                         
    4     3        ASSIGN                                                   !2, !0
          4      > JMP                                                      ->7
    5     5    >   YIELD                                                    !2
    4     6        PRE_INC                                                  !2
          7    >   IS_SMALLER_OR_EQUAL                                      !2, !1
          8      > JMPNZ                                                    ~6, ->5
    7     9    > > GENERATOR_RETURN                                         

End of function grange

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.36 ms | 1399 KiB | 14 Q