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<?php function &generator() { foreach(range(1, 20) as $val) { yield $val; } } foreach(generator() as &$val) { var_dump($val); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
2 jumps found. (Code = 126) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/sfpnO
function name:  (null)
number of ops:  11
compiled vars:  !0 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'generator'
          1        DO_FCALL                                      0  $1      
          2        SEPARATE                                         $1      $1
          3      > FE_RESET_RW                                      $2      $1, ->9
          4    > > FE_FETCH_RW                                              $2, !0, ->9
   10     5    >   INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    8     8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $2
   11    10      > RETURN                                                   1

Function generator:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 9
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 9
filename:       /in/sfpnO
function name:  generator
number of ops:  11
compiled vars:  !0 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        INIT_FCALL                                               'range'
          2        SEND_VAL                                                 1
          3        SEND_VAL                                                 20
          4        DO_ICALL                                         $1      
          5      > FE_RESET_R                                       $2      $1, ->9
          6    > > FE_FETCH_R                                               $2, !0, ->9
          7    >   YIELD                                                    !0
          8      > JMP                                                      ->6
          9    >   FE_FREE                                                  $2
    6    10      > GENERATOR_RETURN                                         

End of function generator

Generated using Vulcan Logic Dumper, using php 8.0.0


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