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<?php function iterator() { for ($i = 1; $i <= 10; $i++) { echo 'pre it' . $i . PHP_EOL; //$res = yield $i; //var_dump($res); } } $generator = iterator(); //foreach ($generator as $val) //{ // echo $val . PHP_EOL; // $generator->send('hi'); //}
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uiO5s
function name:  (null)
number of ops:  4
compiled vars:  !0 = $generator
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'iterator'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
   18     3      > RETURN                                                   1

Function iterator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 2
Branch analysis from position: 8
Branch analysis from position: 2
filename:       /in/uiO5s
function name:  iterator
number of ops:  9
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 1
          1      > JMP                                                      ->6
    7     2    >   CONCAT                                           ~2      'pre+it', !0
          3        CONCAT                                           ~3      ~2, '%0A'
          4        ECHO                                                     ~3
    5     5        PRE_INC                                                  !0
          6    >   IS_SMALLER_OR_EQUAL                                      !0, 10
          7      > JMPNZ                                                    ~5, ->2
   11     8    > > RETURN                                                   null

End of function iterator

Generated using Vulcan Logic Dumper, using php 8.0.0


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