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<?php class It implements \IteratorAggregate { public function getIterator(): \Generator { yield 'foo'; Fiber::suspend(); var_dump("not executed"); } } function f() { var_dump(yield from new It()); } $iterable = f(); $fiber = new Fiber(function () use ($iterable) { var_dump($iterable->current()); $iterable->next(); var_dump("not executed"); }); $ref = $fiber; $fiber->start(); gc_collect_cycles(); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Yjhbg
function name:  (null)
number of ops:  16
compiled vars:  !0 = $iterable, !1 = $fiber, !2 = $ref
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                                'it'
   17     1        INIT_FCALL                                                   'f'
          2        DO_FCALL                                          0  $3      
          3        ASSIGN                                                       !0, $3
   19     4        NEW                                                  $5      'Fiber'
          5        DECLARE_LAMBDA_FUNCTION                              ~6      [0]
          6        BIND_LEXICAL                                                 ~6, !0
   23     7        SEND_VAL_EX                                                  ~6
   19     8        DO_FCALL                                          0          
          9        ASSIGN                                                       !1, $5
   25    10        ASSIGN                                                       !2, !1
   27    11        INIT_METHOD_CALL                                             !1, 'start'
         12        DO_FCALL                                          0          
   29    13        INIT_FCALL                                                   'gc_collect_cycles'
         14        DO_ICALL                                                     
   31    15      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Yjhbg
function name:  {closure:/in/Yjhbg:19}
number of ops:  12
compiled vars:  !0 = $iterable
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   19     0  E >   BIND_STATIC                                                  !0
   20     1        INIT_FCALL                                                   'var_dump'
          2        INIT_METHOD_CALL                                             !0, 'current'
          3        DO_FCALL                                          0  $1      
          4        SEND_VAR                                                     $1
          5        DO_ICALL                                                     
   21     6        INIT_METHOD_CALL                                             !0, 'next'
          7        DO_FCALL                                          0          
   22     8        INIT_FCALL                                                   'var_dump'
          9        SEND_VAL                                                     'not+executed'
         10        DO_ICALL                                                     
   23    11      > RETURN                                                       null

End of Dynamic Function 0

Function f:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/Yjhbg
function name:  f
number of ops:  8
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   GENERATOR_CREATE                                             
   14     1        INIT_FCALL                                                   'var_dump'
          2        NEW                                                  $0      'It'
          3        DO_FCALL                                          0          
          4        YIELD_FROM                                           ~2      $0
          5        SEND_VAL                                                     ~2
          6        DO_ICALL                                                     
   15     7      > GENERATOR_RETURN                                             

End of function f

Class It:
Function getiterator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/Yjhbg
function name:  getIterator
number of ops:  8
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   GENERATOR_CREATE                                             
    7     1        YIELD                                                        'foo'
    8     2        INIT_STATIC_METHOD_CALL                                      'Fiber', 'suspend'
          3        DO_FCALL                                          0          
    9     4        INIT_FCALL                                                   'var_dump'
          5        SEND_VAL                                                     'not+executed'
          6        DO_ICALL                                                     
   10     7      > GENERATOR_RETURN                                             

End of function getiterator

End of class It.

Generated using Vulcan Logic Dumper, using php 8.5.0


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