3v4l.org

run code in 300+ PHP versions simultaneously
<?php function yielder() { foreach ([1] as $item) { yield $item; } } $res = yielder(); echo $res->current(), PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nKCYB
function name:  (null)
number of ops:  8
compiled vars:  !0 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'yielder'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
   11     3        INIT_METHOD_CALL                                         !0, 'current'
          4        DO_FCALL                                      0  $3      
          5        ECHO                                                     $3
          6        ECHO                                                     '%0A'
          7      > RETURN                                                   1

Function yielder:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 5
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 5
filename:       /in/nKCYB
function name:  yielder
number of ops:  7
compiled vars:  !0 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1      > FE_RESET_R                                       $1      <array>, ->5
          2    > > FE_FETCH_R                                               $1, !0, ->5
    6     3    >   YIELD                                                    !0
    5     4      > JMP                                                      ->2
          5    >   FE_FREE                                                  $1
    8     6      > GENERATOR_RETURN                                         

End of function yielder

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.77 ms | 1401 KiB | 14 Q