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<?php function foo() { $array = array("1", "2"); foreach ($array as $value) { yield null => $value; } } foreach (foo() as $id => $value) { var_dump($id, $value); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 10
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 10
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/30JXS
function name:  (null)
number of ops:  12
compiled vars:  !0 = $value, !1 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'foo'
          1        DO_FCALL                                      0  $2      
          2      > FE_RESET_R                                       $3      $2, ->10
          3    > > FE_FETCH_R                                       ~4      $3, !0, ->10
          4    >   ASSIGN                                                   !1, ~4
   11     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
   10     9      > JMP                                                      ->3
         10    >   FE_FREE                                                  $3
   12    11      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 6
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 6
filename:       /in/30JXS
function name:  foo
number of ops:  8
compiled vars:  !0 = $array, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        ASSIGN                                                   !0, <array>
    5     2      > FE_RESET_R                                       $3      !0, ->6
          3    > > FE_FETCH_R                                               $3, !1, ->6
    6     4    >   YIELD                                                    !1, null
    5     5      > JMP                                                      ->3
          6    >   FE_FREE                                                  $3
    8     7      > GENERATOR_RETURN                                         

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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