enum_exists
PHP function
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(PHP 8 >= 8.1.0)
Checks if the enum has been defined
Description
enum_exists(string $enum, bool $autoload = true): bool
This function checks whether or not the given enum has been defined.
Parameters
enumThe enum name. The name is matched in a case-insensitive manner.
autoloadWhether to autoload if not already loaded.
Return Values
Returns true if enum is a defined enum, false otherwise.
Examples
enum_exists() example
php
<?php
// Check that the enum exists before trying to use it
if (enum_exists(Suit::class)) {
$myclass = Suit::Hearts;
}
?>