3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo() { static $f = 0; yield ++$f; yield from goo(); } function goo() { static $g = 'a'; yield ++$g; yield from foo(); } foreach (foo() as $foo) { print $foo.PHP_EOL; } ?>

Abusive script

This script was stopped while abusing our resources

Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/kpOuk
function name:  (null)
number of ops:  9
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                                   'foo'
          1        DO_FCALL                                          0  $1      
          2      > FE_RESET_R                                           $2      $1, ->7
          3    > > FE_FETCH_R                                                   $2, !0, ->7
   16     4    >   CONCAT                                               ~3      !0, '%0A'
          5        ECHO                                                         ~3
   15     6      > JMP                                                          ->3
          7    >   FE_FREE                                                      $2
   19     8      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/kpOuk
function name:  foo
number of ops:  9
compiled vars:  !0 = $f
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                             
    4     1        BIND_STATIC                                                  !0
    5     2        PRE_INC                                              ~1      !0
          3        YIELD                                                        ~1
    6     4        INIT_FCALL_BY_NAME                                           'goo'
          5        DO_FCALL                                          0  $3      
          6        YIELD_FROM                                           ~4      $3
          7        FREE                                                         ~4
    7     8      > GENERATOR_RETURN                                             

End of function foo

Function goo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/kpOuk
function name:  goo
number of ops:  9
compiled vars:  !0 = $g
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   GENERATOR_CREATE                                             
   10     1        BIND_STATIC                                                  !0
   11     2        PRE_INC                                              ~1      !0
          3        YIELD                                                        ~1
   12     4        INIT_FCALL                                                   'foo'
          5        DO_FCALL                                          0  $3      
          6        YIELD_FROM                                           ~4      $3
          7        FREE                                                         ~4
   13     8      > GENERATOR_RETURN                                             

End of function goo

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
134.98 ms | 1660 KiB | 15 Q