ReflectionClass::getConstant

(PHP 5, PHP 7, PHP 8)

ReflectionClass::getConstant — Gets defined constant

Beschreibung

public function ReflectionClass::getConstant(string $name): mixed

Gets the defined constant.

Parameter-Liste

name

The name of the class constant to get.

Rückgabewerte

Value of the constant with the name name. Returns false if the constant was not found in the class.

Changelog

Version Beschreibung
8.5.0 Calling ReflectionClass::getConstant() for constants that do not exist has been deprecated.

Beispiele

Beispiel #1 Usage of ReflectionClass::getConstant()

<?php

class Example {
const C1 = false;
const C2 = 'I am a constant';
}

$reflection = new ReflectionClass('Example');

var_dump($reflection->getConstant('C1'));
var_dump($reflection->getConstant('C2'));
var_dump($reflection->getConstant('C3'));
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

bool(false)
string(15) "I am a constant"
bool(false)

Siehe auch