3v4l.org

run code in 300+ PHP versions simultaneously
<?php $packagesTemp = array(); $packages = ['a', 'b', 'c']; $packagesTemp += $packages[0]; print_r($packagesTemp);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jCQZe
function name:  (null)
number of ops:  8
compiled vars:  !0 = $packagesTemp, !1 = $packages
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, <array>
    7     2        FETCH_DIM_R                                      ~4      !1, 0
          3        ASSIGN_OP                                     1          !0, ~4
    9     4        INIT_FCALL                                               'print_r'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
180.54 ms | 1385 KiB | 15 Q