<slide>
<title>Enumerations — Fetch Properties</title>

<div effect="fade-out">
<example><![CDATA[<?php
enum Currency: string {
    case GBP = '£';
    case EUR = '€';
}

const PRICES = [
	Currency::EUR => 19.99,
	Currency::GBP => 17.99,
];
]]></example>

<blurb>PHP 8.1:</blurb>
<example class="result">
Fatal error: Constant expression contains invalid operations
</example>
<blurb>PHP 8.2:</blurb>
<example class="result">
Fatal error: Constant expression contains invalid operations
</example>
</div>

<div effect="fade-in">
<example inline="1"><![CDATA[&lt;?php
enum Currency: string {
    case GBP = '£';
    case EUR = '€';
}

const PRICES = [
	Currency::EUR*->value* => 19.99,
	Currency::GBP*->value* => 17.99,
];]]></example>
</div>

</slide>
