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<?php function gen(): Generator { yield new stdClass() => 'foo'; yield ['a'] => 'foo'; yield gen2() => 'foo'; } function gen2(): Generator { yield 'bar'; } gen(); foreach(gen() as $key => $value) { var_dump($key, $value); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 12
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/YLt4O
function name:  (null)
number of ops:  14
compiled vars:  !0 = $value, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'gen'
          1        DO_FCALL                                      0          
   17     2        INIT_FCALL                                               'gen'
          3        DO_FCALL                                      0  $3      
          4      > FE_RESET_R                                       $4      $3, ->12
          5    > > FE_FETCH_R                                       ~5      $4, !0, ->12
          6    >   ASSIGN                                                   !1, ~5
   18     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
   17    11      > JMP                                                      ->5
         12    >   FE_FREE                                                  $4
   19    13      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/YLt4O
function name:  gen
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        NEW                                              $0      'stdClass'
          2        DO_FCALL                                      0          
          3        YIELD                                                    'foo', $0
    6     4        YIELD                                                    'foo', <array>
    7     5        INIT_FCALL_BY_NAME                                       'gen2'
          6        DO_FCALL                                      0  $4      
          7        YIELD                                                    'foo', $4
    8     8      > GENERATOR_RETURN                                         

End of function gen

Function gen2:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/YLt4O
function name:  gen2
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   GENERATOR_CREATE                                         
   12     1        YIELD                                                    'bar'
   13     2      > GENERATOR_RETURN                                         

End of function gen2

Generated using Vulcan Logic Dumper, using php 8.0.0


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