ReflectionClass::getConstant
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ReflectionClass::getConstant

(PHP 5, PHP 7, PHP 8)

ReflectionClass::getConstantGets defined constant

Descrizione

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

Gets the defined constant.

Elenco dei parametri

name

The name of the class constant to get.

Valori restituiti

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

Log delle modifiche

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

Esempi

Example #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'));
?>

Il precedente esempio visualizzerà:

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

Vedere anche:

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