3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a, $b) = 'kaka'; var_dump($a); var_dump($b); $kaka = 'kaka'; list($a, $b) = $kaka; var_dump($a); var_dump($b); $kaka++; var_dump($kaka); $test = $kaka + 1; var_dump($test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JbIig
function name:  (null)
number of ops:  33
compiled vars:  !0 = $a, !1 = $b, !2 = $kaka, !3 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_LIST_R                                     $4      'kaka', 0
          1        ASSIGN                                                   !0, $4
          2        FETCH_LIST_R                                     $6      'kaka', 1
          3        ASSIGN                                                   !1, $6
    3     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
    6    10        ASSIGN                                                   !2, 'kaka'
    7    11        QM_ASSIGN                                        ~11     !2
         12        FETCH_LIST_R                                     $12     ~11, 0
         13        ASSIGN                                                   !0, $12
         14        FETCH_LIST_R                                     $14     ~11, 1
         15        ASSIGN                                                   !1, $14
         16        FREE                                                     ~11
    8    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                                 
    9    20        INIT_FCALL                                               'var_dump'
         21        SEND_VAR                                                 !1
         22        DO_ICALL                                                 
   11    23        PRE_INC                                                  !2
   12    24        INIT_FCALL                                               'var_dump'
         25        SEND_VAR                                                 !2
         26        DO_ICALL                                                 
   14    27        ADD                                              ~20     !2, 1
         28        ASSIGN                                                   !3, ~20
   15    29        INIT_FCALL                                               'var_dump'
         30        SEND_VAR                                                 !3
         31        DO_ICALL                                                 
         32      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.57 ms | 1396 KiB | 15 Q