Nobody in the right mind would ever invent or use this.

gistfile1.php

// some thing is wrong with github, it keeps posting the snippet twice unless I edit one of them to this

PHP's fucked up syntax.php

// from http://www.php.net/manual/en/language.types.string.php

<?php
// Show all errors.
error_reporting(E_ALL);

class beers {
    const softdrink = 'rootbeer';
    public static $ale = 'ipa';
}

$rootbeer = 'A & W';
$ipa = 'Alexander Keith\'s';

// This works; outputs: I'd like an A & W
echo "I'd like an {${beers::softdrink}}\n";

// This works too; outputs: I'd like an Alexander Keith's
echo "I'd like an {${beers::$ale}}\n";
?>