3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'a' => ['a' => 'asd'], 'b' => ['b' => 'bsd'], 'c' => ['c' => 'csd'], ]; foreach ($array as &$item) { unset($item['a']); } var_dump($array);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 126) 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 = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/f4sqH
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_RW                                      $3      !0, ->5
          2    > > FE_FETCH_RW                                              $3, !1, ->5
   10     3    >   UNSET_DIM                                                !1, 'a'
    9     4      > JMP                                                      ->2
          5    >   FE_FREE                                                  $3
   13     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.4 ms | 1394 KiB | 15 Q