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<?php function foo () { yield 'hello'; yield ' '; yield 'world!'; yield from bar(); } function bar () { yield 'again'; yield ' '; yield 'yeah'; } foreach (foo() as $str) { echo $str."\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/UtdGq
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   INIT_FCALL                                               'foo'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->7
          3    > > FE_FETCH_R                                               $2, !0, ->7
   18     4    >   CONCAT                                           ~3      !0, '%0A'
          5        ECHO                                                     ~3
   17     6      > JMP                                                      ->3
          7    >   FE_FREE                                                  $2
   19     8      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/UtdGq
function name:  foo
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        YIELD                                                    'hello'
    5     2        YIELD                                                    '+'
    6     3        YIELD                                                    'world%21'
    8     4        INIT_FCALL_BY_NAME                                       'bar'
          5        DO_FCALL                                      0  $3      
          6        YIELD_FROM                                       ~4      $3
          7        FREE                                                     ~4
    9     8      > 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/UtdGq
function name:  bar
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   GENERATOR_CREATE                                         
   12     1        YIELD                                                    'again'
   13     2        YIELD                                                    '+'
   14     3        YIELD                                                    'yeah'
   15     4      > GENERATOR_RETURN                                         

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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