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<?php function test1() { yield from ['a']; } function test2() { yield from test1(); } foreach(test2() as $test) { echo $test; }
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/S4PAK
function name:  (null)
number of ops:  8
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'test2'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->6
          3    > > FE_FETCH_R                                               $2, !0, ->6
   12     4    >   ECHO                                                     !0
   11     5      > JMP                                                      ->3
          6    >   FE_FREE                                                  $2
   13     7      > RETURN                                                   1

Function test1:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/S4PAK
function name:  test1
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        YIELD_FROM                                       ~0      <array>
          2        FREE                                                     ~0
    5     3      > GENERATOR_RETURN                                         

End of function test1

Function test2:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/S4PAK
function name:  test2
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   GENERATOR_CREATE                                         
    8     1        INIT_FCALL                                               'test1'
          2        DO_FCALL                                      0  $0      
          3        YIELD_FROM                                       ~1      $0
          4        FREE                                                     ~1
    9     5      > GENERATOR_RETURN                                         

End of function test2

Generated using Vulcan Logic Dumper, using php 8.0.0


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