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<?php function foo() { for ($i = 0; $i < 5; $i++) { yield $i; } } $foo = foo(); foreach ($foo as $bar) { echo $bar . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/ctq33
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'foo'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   12     3      > FE_RESET_R                                       $4      !0, ->8
          4    > > FE_FETCH_R                                               $4, !1, ->8
   13     5    >   CONCAT                                           ~5      !1, '%0A'
          6        ECHO                                                     ~5
   12     7      > JMP                                                      ->4
          8    >   FE_FREE                                                  $4
   14     9      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/ctq33
function name:  foo
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        ASSIGN                                                   !0, 0
          2      > JMP                                                      ->5
    6     3    >   YIELD                                                    !0
    5     4        PRE_INC                                                  !0
          5    >   IS_SMALLER                                               !0, 5
          6      > JMPNZ                                                    ~4, ->3
    8     7    > > GENERATOR_RETURN                                         

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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