3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [1, 2, 3, 4, 5, 6, 7, 8, 9]; foreach ($foo as $index => $bar) { unset($foo[2]); var_dump($index . '::' . $bar); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 11
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 11
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/k2h6T
function name:  (null)
number of ops:  13
compiled vars:  !0 = $foo, !1 = $bar, !2 = $index
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $4      !0, ->11
          2    > > FE_FETCH_R                                       ~5      $4, !1, ->11
          3    >   ASSIGN                                                   !2, ~5
    6     4        UNSET_DIM                                                !0, 2
    8     5        INIT_FCALL                                               'var_dump'
          6        CONCAT                                           ~7      !2, '%3A%3A'
          7        CONCAT                                           ~8      ~7, !1
          8        SEND_VAL                                                 ~8
          9        DO_ICALL                                                 
    5    10      > JMP                                                      ->2
         11    >   FE_FREE                                                  $4
    9    12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
139.94 ms | 999 KiB | 14 Q