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<?php function printer() { while (true) { $string = (yield 3); echo $string; } } $printer = printer(); foreach($printer as $v) { var_dump($v); } $printer->next(); $printer->send('Hello world!'); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/SWuB8
function name:  (null)
number of ops:  16
compiled vars:  !0 = $printer, !1 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'printer'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   10     3      > FE_RESET_R                                       $4      !0, ->9
          4    > > FE_FETCH_R                                               $4, !1, ->9
   11     5    >   INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
   10     8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $4
   13    10        INIT_METHOD_CALL                                         !0, 'next'
         11        DO_FCALL                                      0          
   14    12        INIT_METHOD_CALL                                         !0, 'send'
         13        SEND_VAL_EX                                              'Hello+world%21'
         14        DO_FCALL                                      0          
   15    15      > RETURN                                                   1

Function printer:
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 = 6, Position 2 = 2
Branch analysis from position: 6
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 2
Branch analysis from position: 6
Branch analysis from position: 2
filename:       /in/SWuB8
function name:  printer
number of ops:  7
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1      > JMP                                                      ->5
    4     2    >   YIELD                                            $1      3
          3        ASSIGN                                                   !0, $1
    5     4        ECHO                                                     !0
    3     5    > > JMPNZ                                                    <true>, ->2
    7     6    > > GENERATOR_RETURN                                         

End of function printer

Generated using Vulcan Logic Dumper, using php 8.0.0


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154.61 ms | 1399 KiB | 16 Q