php function return multiple values

1function getXYZ()
2{
3    return array(4,5,6);
4}
5
6list($x,$y,$z) = getXYZ();
7
8// Afterwards: $x == 4 && $y == 5 && $z == 6
9// (This will hold for all samples unless otherwise noted)

1<?php
2
3function data() {
4    $out[0] = "abc";
5    $out[1] = "def";
6    $out[2] = "ghi";
7    return $out;
8}
9
10$data = data();
11foreach($data as $items){
12    echo $items;
13}
14

1// Function to swap two numbers 
2function swap( $x, $y ) {  
3    return array( $y, $x ); 
4}