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<?php function gen1() { yield 1; yield 2; yield 3; yield 4; } function yf() { yield from gen1(); } foreach(yf() as $val) { var_dump($val); } var_dump(token_get_all("yield from gen1();"));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/RZhSH
function name:  (null)
number of ops:  16
compiled vars:  !0 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   INIT_FCALL                                               'yf'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->8
          3    > > FE_FETCH_R                                               $2, !0, ->8
   15     4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
   14     7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $2
   18     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'token_get_all'
         11        SEND_VAL                                                 'yield+++++from++++gen1%28%29%3B'
         12        DO_ICALL                                         $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Function gen1:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/RZhSH
function name:  gen1
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        YIELD                                                    1
    5     2        YIELD                                                    2
    6     3        YIELD                                                    3
    7     4        YIELD                                                    4
    8     5      > GENERATOR_RETURN                                         

End of function gen1

Function yf:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/RZhSH
function name:  yf
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   GENERATOR_CREATE                                         
   11     1        INIT_FCALL                                               'gen1'
          2        DO_FCALL                                      0  $0      
          3        YIELD_FROM                                       ~1      $0
          4        FREE                                                     ~1
   12     5      > GENERATOR_RETURN                                         

End of function yf

Generated using Vulcan Logic Dumper, using php 8.0.0


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163.48 ms | 1390 KiB | 19 Q