ReflectionEnum::getBackingType
(PHP 8 >= 8.1.0)
ReflectionEnum::getBackingType — Gets the backing type of an Enum, if any
Description
public ReflectionEnum::getBackingType(): ?ReflectionType
If the enumeration is a Backed Enum, this method will return an instance of ReflectionType for the backing type of the Enum. If it is not a Backed Enum, it will return null
.
Parameters
This function has no parameters.
Return Values
An instance of ReflectionType, or null
if the Enum has no backing type.
Examples
Example #1 ReflectionEnum::getBackingType() example
<?php enum Suit: string { case Hearts = 'H'; case Diamonds = 'D'; case Clubs = 'C'; case Spades = 'S'; } $rEnum = new ReflectionEnum(Suit::class); $rBackingType = $rEnum->getBackingType(); var_dump((string)$rBackingType); ?>
The above example will output:
string(6) "string"
See Also
- Enumerations
- ReflectionEnum::isBacked() - Determines if an Enum is a Backed Enum
© 1997–2021 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/reflectionenum.getbackingtype.php