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<?php function foo() { foreach ([] as $foo) { yield $foo; } } $append = new AppendIterator(); $append->append(new NoRewindIterator(foo())); var_dump(iterator_to_array($append));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pgiXB
function name:  (null)
number of ops:  18
compiled vars:  !0 = $append
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $1      'AppendIterator'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    8     3        INIT_METHOD_CALL                                         !0, 'append'
          4        NEW                                              $4      'NoRewindIterator'
          5        INIT_FCALL                                               'foo'
          6        DO_FCALL                                      0  $5      
          7        SEND_VAR_NO_REF_EX                                       $5
          8        DO_FCALL                                      0          
          9        SEND_VAR_NO_REF_EX                                       $4
         10        DO_FCALL                                      0          
   10    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'iterator_to_array'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                         $8      
         15        SEND_VAR                                                 $8
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

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

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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