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<?php function myGenerator() { yield 0 => 1; yield 0 => 2; yield 0 => 3; } foreach (myGenerator() as $key => $value) { echo $key . PHP_EOL; } // Output: // 0 // 0 // 0 ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/KTj27
function name:  (null)
number of ops:  10
compiled vars:  !0 = $value, !1 = $key
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                                   'mygenerator'
          1        DO_FCALL                                          0  $2      
          2      > FE_RESET_R                                           $3      $2, ->8
          3    > > FE_FETCH_R                                           ~4      $3, !0, ->8
          4    >   ASSIGN                                                       !1, ~4
   10     5        CONCAT                                               ~6      !1, '%0A'
          6        ECHO                                                         ~6
    9     7      > JMP                                                          ->3
          8    >   FE_FREE                                                      $3
   18     9      > RETURN                                                       1

Function mygenerator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/KTj27
function name:  myGenerator
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                             
    4     1        YIELD                                                        1, 0
    5     2        YIELD                                                        2, 0
    6     3        YIELD                                                        3, 0
    7     4      > GENERATOR_RETURN                                             

End of function mygenerator

Generated using Vulcan Logic Dumper, using php 8.5.0


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162.36 ms | 1465 KiB | 14 Q