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<?php function iterator() { for ($i = 1; $i <= 10; $i++) { $val = (yield $i); } } $generator = iterator(); foreach ($generator as $value) { echo 'func - pre send: ' . $value . PHP_EOL; echo 'pong: ' . $generator->send($value) . PHP_EOL; echo 'func - post send: ' . $value . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 18
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 18
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/FMJNh
function name:  (null)
number of ops:  20
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'iterator'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   12     3      > FE_RESET_R                                       $4      !0, ->18
          4    > > FE_FETCH_R                                               $4, !1, ->18
   14     5    >   CONCAT                                           ~5      'func+-+pre+send%3A+', !1
          6        CONCAT                                           ~6      ~5, '%0A'
          7        ECHO                                                     ~6
   15     8        INIT_METHOD_CALL                                         !0, 'send'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0  $7      
         11        CONCAT                                           ~8      'pong%3A+', $7
         12        CONCAT                                           ~9      ~8, '%0A'
         13        ECHO                                                     ~9
   16    14        CONCAT                                           ~10     'func+-+post+send%3A+', !1
         15        CONCAT                                           ~11     ~10, '%0A'
         16        ECHO                                                     ~11
   12    17      > JMP                                                      ->4
         18    >   FE_FREE                                                  $4
   17    19      > 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 = 3
Branch analysis from position: 8
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 3
Branch analysis from position: 8
Branch analysis from position: 3
filename:       /in/FMJNh
function name:  iterator
number of ops:  9
compiled vars:  !0 = $i, !1 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   GENERATOR_CREATE                                         
    5     1        ASSIGN                                                   !0, 1
          2      > JMP                                                      ->6
    7     3    >   YIELD                                            $3      !0
          4        ASSIGN                                                   !1, $3
    5     5        PRE_INC                                                  !0
          6    >   IS_SMALLER_OR_EQUAL                                      !0, 10
          7      > JMPNZ                                                    ~6, ->3
    9     8    > > GENERATOR_RETURN                                         

End of function iterator

Generated using Vulcan Logic Dumper, using php 8.0.0


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