<?php
$a = array(10, 11, 12);
$b = array(20, 21, 22, 23);
$c = array('a' => 'a', 'b' => 'b', 'c' => 'c');
$d = array('v' => 'v', 'x' => 'x', 'y' => 'y', 'z' => 'z');
$r10 = $a + $b;
$r11 = $b + $a;
$r12 = array_merge($a, $b);
$r13 = array_merge($b, $a);
$r20 = $c + $d;
$r21 = $d + $c;
$r22 = array_merge($c, $d);
$r23 = array_merge($d, $c);
// a + b
var_dump($r10);
//b + a
var_dump($r11);
// m a b
var_dump($r12);
// m b a
var_dump($r13);
var_dump($r20);
var_dump($r21);
var_dump($r22);
var_dump($r23);
preferences:
27.26 ms | 402 KiB | 5 Q