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<?php function gen($x) { yield $x; } function yf() { yield from gen(1); yield from gen(2); return yield from gen(42); } $g = yf(); foreach($g as $val) { var_dump($val); } echo "====================\n"; var_dump($g->getReturn());
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/REb9R
function name:  (null)
number of ops:  17
compiled vars:  !0 = $g, !1 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'yf'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   14     3      > FE_RESET_R                                       $4      !0, ->9
          4    > > FE_FETCH_R                                               $4, !1, ->9
          5    >   INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
          8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $4
   15    10        ECHO                                                     '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%0A'
   16    11        INIT_FCALL                                               'var_dump'
         12        INIT_METHOD_CALL                                         !0, 'getReturn'
         13        DO_FCALL                                      0  $6      
         14        SEND_VAR                                                 $6
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/REb9R
function name:  gen
number of ops:  4
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        GENERATOR_CREATE                                         
    4     2        YIELD                                                    !0
    5     3      > GENERATOR_RETURN                                         

End of function gen

Function yf:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/REb9R
function name:  yf
number of ops:  17
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   GENERATOR_CREATE                                         
    8     1        INIT_FCALL                                               'gen'
          2        SEND_VAL                                                 1
          3        DO_FCALL                                      0  $0      
          4        YIELD_FROM                                       ~1      $0
          5        FREE                                                     ~1
    9     6        INIT_FCALL                                               'gen'
          7        SEND_VAL                                                 2
          8        DO_FCALL                                      0  $2      
          9        YIELD_FROM                                       ~3      $2
         10        FREE                                                     ~3
   10    11        INIT_FCALL                                               'gen'
         12        SEND_VAL                                                 42
         13        DO_FCALL                                      0  $4      
         14        YIELD_FROM                                       ~5      $4
         15      > GENERATOR_RETURN                                         
   11    16*     > GENERATOR_RETURN                                         

End of function yf

Generated using Vulcan Logic Dumper, using php 8.0.0


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