3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo'=>1]; foreach($array as $k=>&$v) { $array['bar']=2; echo($v); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/58ZIj
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array, !1 = $v, !2 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1      > FE_RESET_RW                                      $4      !0, ->8
          2    > > FE_FETCH_RW                                      ~5      $4, !1, ->8
          3    >   ASSIGN                                                   !2, ~5
    6     4        ASSIGN_DIM                                               !0, 'bar'
          5        OP_DATA                                                  2
    7     6        ECHO                                                     !1
    4     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $4
    8     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.1 ms | 1384 KiB | 13 Q