3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array(1=>1,2=>2,3=>3,4=>4); $a1 = $a1 + array(5=>5,6=>6,7=>7); var_dump($a1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dMEnY
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        ADD                                              ~2      !0, <array>
          2        ASSIGN                                                   !0, ~2
    6     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.75 ms | 1393 KiB | 15 Q