3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d3 = array('a'=>array('b'=>'c')); foreach($d3['a'] as &$v4){} unset($v4); foreach($d3 as $v4){} var_dump($d3);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
2 jumps found. (Code = 126) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 5
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 10
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
Branch analysis from position: 5
filename:       /in/SnINc
function name:  (null)
number of ops:  15
compiled vars:  !0 = $d3, !1 = $v4
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        FETCH_DIM_W                                      $3      !0, 'a'
          2      > FE_RESET_RW                                      $4      $3, ->5
          3    > > FE_FETCH_RW                                              $4, !1, ->5
          4    > > JMP                                                      ->3
          5    >   FE_FREE                                                  $4
    5     6        UNSET_CV                                                 !1
    6     7      > FE_RESET_R                                       $5      !0, ->10
          8    > > FE_FETCH_R                                               $5, !1, ->10
          9    > > JMP                                                      ->8
         10    >   FE_FREE                                                  $5
    7    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
141.75 ms | 1395 KiB | 15 Q