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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2F'>php-8.4.5</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2FZend%2F'>Zend</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2FZend%2Ftests%2F'>tests</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2FZend%2Ftests%2Fenum%2F'>enum</a>/</p><hr><h3>✏️ Editing: gh7821.phpt</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>--TEST--
GH-7821: Can&#039;t use arbitrary constant expressions in enum cases
--FILE--
&lt;?php

interface I {
    public const A = &#039;A&#039;;
    public const B = &#039;B&#039;;
}

enum B: string implements I {
    case C = I::A;
    case D = self::B;
}

var_dump(B::A);
var_dump(B::B);
var_dump(B::C-&gt;value);
var_dump(B::D-&gt;value);

?&gt;
--EXPECT--
string(1) &quot;A&quot;
string(1) &quot;B&quot;
string(1) &quot;A&quot;
string(1) &quot;B&quot;
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