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<?php function foo() { yield 1; } function bar() { yield from foo(); yield 2; } foreach (bar() as $v) { var_dump($v); }
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/ITpto
function name:  (null)
number of ops:  10
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'bar'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->8
          3    > > FE_FETCH_R                                               $2, !0, ->8
   16     4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
   15     7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $2
   17     9      > RETURN                                                   1

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

End of function foo

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

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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