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<?php function test() { yield 1; yield test2(); } function test2() { yield 2; yield 3; } foreach (test() as $a) { echo $a; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/jcDft
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->6
          3    > > FE_FETCH_R                                               $2, !0, ->6
   16     4    >   ECHO                                                     !0
   15     5      > JMP                                                      ->3
          6    >   FE_FREE                                                  $2
   17     7      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/jcDft
function name:  test
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        YIELD                                                    1
    6     2        INIT_FCALL_BY_NAME                                       'test2'
          3        DO_FCALL                                      0  $1      
          4        YIELD                                                    $1
    7     5      > GENERATOR_RETURN                                         

End of function test

Function test2:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/jcDft
function name:  test2
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   GENERATOR_CREATE                                         
   11     1        YIELD                                                    2
   12     2        YIELD                                                    3
   13     3      > GENERATOR_RETURN                                         

End of function test2

Generated using Vulcan Logic Dumper, using php 8.0.0


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