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Editing: EnumInterfaces.php
<?php if (PHP_VERSION_ID < 80100 && ! interface_exists('UnitEnum', false)) { /** * @since 8.1 */ interface UnitEnum { /** * @return static[] */ public static function cases(): array; } } if (PHP_VERSION_ID < 80100 && ! interface_exists('BackedEnum', false)) { /** * @since 8.1 */ interface BackedEnum extends UnitEnum { /** * @param int|string $value * @return $this */ public static function from($value); /** * @param int|string $value * @return $this|null */ public static function tryFrom($value); } }
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