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<?php $capitals = array('Recife', 'Rio de Janeiro', 'São Paulo'); $vacations = array('Ipojuca', 'Buzios'); $noBeaches = array('São Paulo', 'Belo Horizonte'); $beachs = $capitals + $vacations; // - $capitals; var_dump($beachs);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Et15p
function name:  (null)
number of ops:  9
compiled vars:  !0 = $capitals, !1 = $vacations, !2 = $noBeaches, !3 = $beachs
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2        ASSIGN                                                   !2, <array>
    7     3        ADD                                              ~7      !0, !1
          4        ASSIGN                                                   !3, ~7
    9     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !3
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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