Enum As A Name¶
<?php
class enum {}
enum class {}
?>
It is possible to name a class enum, but not to name an enum class. In fact, ‘enum’ is an authorized name for interfaces and traits, to help with backward compatibility.
This also means that an enumeration may be called ‘enum’.
See Also¶
name it class! [Try me]
PHP Features¶
Last updated: 14 July 2026