3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ['dir2', 'dir2_1', 'dir2_1_1']; $output = []; foreach (array_reverse($input) as $value) { $output = [$value => $output]; } var_dump($output);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/4FuZ4
function name:  (null)
number of ops:  15
compiled vars:  !0 = $input, !1 = $output, !2 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'array_reverse'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $5      
          5      > FE_RESET_R                                       $6      $5, ->10
          6    > > FE_FETCH_R                                               $6, !2, ->10
    7     7    >   INIT_ARRAY                                       ~7      !1, !2
          8        ASSIGN                                                   !1, ~7
    6     9      > JMP                                                      ->6
         10    >   FE_FREE                                                  $6
   10    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
126.51 ms | 1399 KiB | 17 Q