ReflectionEnum::getBackingType

Description

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 Parameters

Return Values

An instance of ReflectionNamedType, or null if the Enum has no backing type.

Changelog

Examples

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