3v4l.org

run code in 500+ PHP versions simultaneously
<?php $one = [1]; $two = [42]; $arr1 = ['k' => &$one]; $arr2 = ['k' => &$two]; var_dump(current($one), current($two)); array_merge_recursive($arr1, $arr2); var_dump(current($one), current($two));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NSa9S
function name:  (null)
number of ops:  31
compiled vars:  !0 = $one, !1 = $two, !2 = $arr1, !3 = $arr2
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        ASSIGN                                                       !1, <array>
    6     2        INIT_ARRAY                                           ~6      !0, 'k'
          3        ASSIGN                                                       !2, ~6
    7     4        INIT_ARRAY                                           ~8      !1, 'k'
          5        ASSIGN                                                       !3, ~8
    8     6        INIT_FCALL                                                   'var_dump'
          7        INIT_FCALL                                                   'current'
          8        SEND_VAR                                                     !0
          9        DO_ICALL                                             $10     
         10        SEND_VAR                                                     $10
         11        INIT_FCALL                                                   'current'
         12        SEND_VAR                                                     !1
         13        DO_ICALL                                             $11     
         14        SEND_VAR                                                     $11
         15        DO_ICALL                                                     
    9    16        INIT_FCALL                                                   'array_merge_recursive'
         17        SEND_VAR                                                     !2
         18        SEND_VAR                                                     !3
         19        DO_ICALL                                                     
   10    20        INIT_FCALL                                                   'var_dump'
         21        INIT_FCALL                                                   'current'
         22        SEND_VAR                                                     !0
         23        DO_ICALL                                             $14     
         24        SEND_VAR                                                     $14
         25        INIT_FCALL                                                   'current'
         26        SEND_VAR                                                     !1
         27        DO_ICALL                                             $15     
         28        SEND_VAR                                                     $15
         29        DO_ICALL                                                     
         30      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
158.52 ms | 2364 KiB | 16 Q