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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 8.5.0


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