3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach ($GLOBALS['dummy'] as $k => $v) $v[0]++; unset($v);
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/W1TCI
function name:  (null)
number of ops:  11
compiled vars:  !0 = $v, !1 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_R                      global              ~2      'GLOBALS'
          1        FETCH_DIM_R                                      ~3      ~2, 'dummy'
          2      > FE_RESET_R                                       $4      ~3, ->8
          3    > > FE_FETCH_R                                       ~5      $4, !0, ->8
          4    >   ASSIGN                                                   !1, ~5
    4     5        FETCH_DIM_RW                                     $7      !0, 0
          6        PRE_INC                                                  $7
    3     7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $4
    5     9        UNSET_CV                                                 !0
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.78 ms | 1397 KiB | 13 Q