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

Function gen_one_to_three:
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/3RDta
function name:  gen_one_to_three
number of ops:  9
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   GENERATOR_CREATE                                         
    5     1        ASSIGN                                                   !0, 1
          2      > JMP                                                      ->6
    6     3    >   YIELD                                            $2      !0
          4        ECHO                                                     $2
    5     5        PRE_INC                                                  !0
          6    >   IS_SMALLER_OR_EQUAL                                      !0, 10
          7      > JMPNZ                                                    ~4, ->3
    8     8    > > GENERATOR_RETURN                                         

End of function gen_one_to_three

Generated using Vulcan Logic Dumper, using php 8.0.0


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157.3 ms | 1399 KiB | 16 Q