php use array as value code example

Example 1: php array_values

<?php
$array = array("size" => "XL", "color" => "gold");
print_r(array_values($array));
?>
// ["XL","gold"]

Example 2: php variables as keys in arrays

$id = 1;
$age = 2;    
$sort = "id"; // or "age";
    $Key = $$sort;
$arr = array($Key => 'string');

print_r($arr);