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<?php class It implements \IteratorAggregate { public $gen; public function getIterator(): \Generator { yield 'foo'; $this->gen->throw(new Exception()); var_dump("not executed"); } public function __destruct() { var_dump(__METHOD__); } } function f($it) { try { var_dump(new stdClass, yield from $it); } finally { var_dump(__FUNCTION__); } } $it = new It(); $gen = f($it); $it->gen = $gen; var_dump($gen->current()); $gen->next(); gc_collect_cycles(); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5pi53
function name:  (null)
number of ops:  20
compiled vars:  !0 = $it, !1 = $gen
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'it'
   28     1        NEW                                              $2      'It'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
   29     4        INIT_FCALL                                               'f'
          5        SEND_VAR                                                 !0
          6        DO_FCALL                                      0  $5      
          7        ASSIGN                                                   !1, $5
   30     8        ASSIGN_OBJ                                               !0, 'gen'
          9        OP_DATA                                                  !1
   32    10        INIT_FCALL                                               'var_dump'
         11        INIT_METHOD_CALL                                         !1, 'current'
         12        DO_FCALL                                      0  $8      
         13        SEND_VAR                                                 $8
         14        DO_ICALL                                                 
   33    15        INIT_METHOD_CALL                                         !1, 'next'
         16        DO_FCALL                                      0          
   35    17        INIT_FCALL                                               'gc_collect_cycles'
         18        DO_ICALL                                                 
   37    19      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 162) Position 1 = 11, Position 2 = 10
Branch analysis from position: 11
1 jumps found. (Code = 163) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/5pi53
function name:  f
number of ops:  16
compiled vars:  !0 = $it
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   RECV                                             !0      
          1        GENERATOR_CREATE                                         
   22     2        INIT_FCALL                                               'var_dump'
          3        NEW                                              $2      'stdClass'
          4        DO_FCALL                                      0          
          5        SEND_VAR                                                 $2
          6        YIELD_FROM                                       ~4      !0
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                                 
   23     9      > FAST_CALL                                                ->11
         10    > > JMP                                                      ->15
   24    11    >   INIT_FCALL                                               'var_dump'
         12        SEND_VAL                                                 'f'
         13        DO_ICALL                                                 
         14      > FAST_RET                                                 
   26    15    > > 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/5pi53
function name:  getIterator
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   GENERATOR_CREATE                                         
    9     1        YIELD                                                    'foo'
   10     2        FETCH_OBJ_R                                      ~1      'gen'
          3        INIT_METHOD_CALL                                         ~1, 'throw'
          4        NEW                                              $2      'Exception'
          5        DO_FCALL                                      0          
          6        SEND_VAR_NO_REF_EX                                       $2
          7        DO_FCALL                                      0          
   11     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAL                                                 'not+executed'
         10        DO_ICALL                                                 
   12    11      > GENERATOR_RETURN                                         

End of function getiterator

Function __destruct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5pi53
function name:  __destruct
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   INIT_FCALL                                               'var_dump'
          1        SEND_VAL                                                 'It%3A%3A__destruct'
          2        DO_ICALL                                                 
   17     3      > RETURN                                                   null

End of function __destruct

End of class It.

Generated using Vulcan Logic Dumper, using php 8.0.0


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