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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/WUi8o
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 = 9
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 2
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 2
Branch analysis from position: 11
Branch analysis from position: 2
filename:       /in/WUi8o
function name:  iterator
number of ops:  12
compiled vars:  !0 = $i, !1 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 1
          1      > JMP                                                      ->9
    7     2    >   CONCAT                                           ~3      'pre+it', !0
          3        CONCAT                                           ~4      ~3, '%0A'
          4        ECHO                                                     ~4
    9     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
    5     8        PRE_INC                                                  !0
          9    >   IS_SMALLER_OR_EQUAL                                      !0, 10
         10      > JMPNZ                                                    ~7, ->2
   11    11    > > RETURN                                                   null

End of function iterator

Generated using Vulcan Logic Dumper, using php 8.0.0


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