3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new stdClass(); $x->name_ru = 123; $lang = 'ru'; var_dump($x->name_ru); var_dump($x->{"name_$lang"}); $prop = "name_$lang"; var_dump($x->$prop);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JYoa9
function name:  (null)
number of ops:  24
compiled vars:  !0 = $x, !1 = $lang, !2 = $prop
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $3
    4     3        ASSIGN_OBJ                                               !0, 'name_ru'
          4        OP_DATA                                                  123
    5     5        ASSIGN                                                   !1, 'ru'
    9     6        INIT_FCALL                                               'var_dump'
          7        FETCH_OBJ_R                                      ~8      !0, 'name_ru'
          8        SEND_VAL                                                 ~8
          9        DO_ICALL                                                 
   10    10        INIT_FCALL                                               'var_dump'
         11        NOP                                                      
         12        FAST_CONCAT                                      ~10     'name_', !1
         13        FETCH_OBJ_R                                      ~11     !0, ~10
         14        SEND_VAL                                                 ~11
         15        DO_ICALL                                                 
   13    16        NOP                                                      
         17        FAST_CONCAT                                      ~13     'name_', !1
         18        ASSIGN                                                   !2, ~13
   14    19        INIT_FCALL                                               'var_dump'
         20        FETCH_OBJ_R                                      ~15     !0, !2
         21        SEND_VAL                                                 ~15
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
140.18 ms | 997 KiB | 14 Q