3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $null = null; $arr = array(); $str = 'string'; $int = 7; $dbl = 7.3; $bool = true; $obj = new stdClass(); echo $null['nope']; echo $null['nope']['sure']; $null['nope'][] = 'wat!?!'; echo $null['nope'][0]; echo $arr['nope']; echo $arr['nope']['sure']; $arr['nope'][] = 'wat!?!'; echo $arr['nope'][0]; echo $str['nope']; echo $str['nope']['sure']; $str['nope'][] = 'wat!?!'; echo $str['nope'][0]; echo $int['nope']; echo $int['nope']['sure']; $int['nope'][] = 'wat!?!'; echo $int['nope'][0]; echo $dbl['nope']; echo $dbl['nope']['sure']; $dbl['nope'][] = 'wat!?!'; echo $dbl['nope'][0]; echo $bool['nope']; echo $bool['nope']['sure']; $bool['nope'][] = 'wat!?!'; echo $bool['nope'][0]; echo $obj['nope']; echo $obj['nope']['sure']; $obj['nope'][] = 'wat!?!'; echo $obj['nope'][0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GBEkc
function name:  (null)
number of ops:  90
compiled vars:  !0 = $null, !1 = $arr, !2 = $str, !3 = $int, !4 = $dbl, !5 = $bool, !6 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 -1
          2        DO_ICALL                                                 
    5     3        ASSIGN                                                   !0, null
    6     4        ASSIGN                                                   !1, <array>
    7     5        ASSIGN                                                   !2, 'string'
    8     6        ASSIGN                                                   !3, 7
    9     7        ASSIGN                                                   !4, 7.3
   10     8        ASSIGN                                                   !5, <true>
   11     9        NEW                                              $14     'stdClass'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !6, $14
   13    12        FETCH_DIM_R                                      ~17     !0, 'nope'
         13        ECHO                                                     ~17
   14    14        FETCH_DIM_R                                      ~18     !0, 'nope'
         15        FETCH_DIM_R                                      ~19     ~18, 'sure'
         16        ECHO                                                     ~19
   15    17        FETCH_DIM_W                                      $20     !0, 'nope'
         18        ASSIGN_DIM                                               $20
         19        OP_DATA                                                  'wat%21%3F%21'
   16    20        FETCH_DIM_R                                      ~22     !0, 'nope'
         21        FETCH_DIM_R                                      ~23     ~22, 0
         22        ECHO                                                     ~23
   18    23        FETCH_DIM_R                                      ~24     !1, 'nope'
         24        ECHO                                                     ~24
   19    25        FETCH_DIM_R                                      ~25     !1, 'nope'
         26        FETCH_DIM_R                                      ~26     ~25, 'sure'
         27        ECHO                                                     ~26
   20    28        FETCH_DIM_W                                      $27     !1, 'nope'
         29        ASSIGN_DIM                                               $27
         30        OP_DATA                                                  'wat%21%3F%21'
   21    31        FETCH_DIM_R                                      ~29     !1, 'nope'
         32        FETCH_DIM_R                                      ~30     ~29, 0
         33        ECHO                                                     ~30
   23    34        FETCH_DIM_R                                      ~31     !2, 'nope'
         35        ECHO                                                     ~31
   24    36        FETCH_DIM_R                                      ~32     !2, 'nope'
         37        FETCH_DIM_R                                      ~33     ~32, 'sure'
         38        ECHO                                                     ~33
   25    39        FETCH_DIM_W                                      $34     !2, 'nope'
         40        ASSIGN_DIM                                               $34
         41        OP_DATA                                                  'wat%21%3F%21'
   26    42        FETCH_DIM_R                                      ~36     !2, 'nope'
         43        FETCH_DIM_R                                      ~37     ~36, 0
         44        ECHO                                                     ~37
   28    45        FETCH_DIM_R                                      ~38     !3, 'nope'
         46        ECHO                                                     ~38
   29    47        FETCH_DIM_R                                      ~39     !3, 'nope'
         48        FETCH_DIM_R                                      ~40     ~39, 'sure'
         49        ECHO                                                     ~40
   30    50        FETCH_DIM_W                                      $41     !3, 'nope'
         51        ASSIGN_DIM                                               $41
         52        OP_DATA                                                  'wat%21%3F%21'
   31    53        FETCH_DIM_R                                      ~43     !3, 'nope'
         54        FETCH_DIM_R                                      ~44     ~43, 0
         55        ECHO                                                     ~44
   33    56        FETCH_DIM_R                                      ~45     !4, 'nope'
         57        ECHO                                                     ~45
   34    58        FETCH_DIM_R                                      ~46     !4, 'nope'
         59        FETCH_DIM_R                                      ~47     ~46, 'sure'
         60        ECHO                                                     ~47
   35    61        FETCH_DIM_W                                      $48     !4, 'nope'
         62        ASSIGN_DIM                                               $48
         63        OP_DATA                                                  'wat%21%3F%21'
   36    64        FETCH_DIM_R                                      ~50     !4, 'nope'
         65        FETCH_DIM_R                                      ~51     ~50, 0
         66        ECHO                                                     ~51
   38    67        FETCH_DIM_R                                      ~52     !5, 'nope'
         68        ECHO                                                     ~52
   39    69        FETCH_DIM_R                                      ~53     !5, 'nope'
         70        FETCH_DIM_R                                      ~54     ~53, 'sure'
         71        ECHO                                                     ~54
   40    72        FETCH_DIM_W                                      $55     !5, 'nope'
         73        ASSIGN_DIM                                               $55
         74        OP_DATA                                                  'wat%21%3F%21'
   41    75        FETCH_DIM_R                                      ~57     !5, 'nope'
         76        FETCH_DIM_R                                      ~58     ~57, 0
         77        ECHO                                                     ~58
   43    78        FETCH_DIM_R                                      ~59     !6, 'nope'
         79        ECHO                                                     ~59
   44    80        FETCH_DIM_R                                      ~60     !6, 'nope'
         81        FETCH_DIM_R                                      ~61     ~60, 'sure'
         82        ECHO                                                     ~61
   45    83        FETCH_DIM_W                                      $62     !6, 'nope'
         84        ASSIGN_DIM                                               $62
         85        OP_DATA                                                  'wat%21%3F%21'
   46    86        FETCH_DIM_R                                      ~64     !6, 'nope'
         87        FETCH_DIM_R                                      ~65     ~64, 0
         88        ECHO                                                     ~65
         89      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.77 ms | 1400 KiB | 15 Q