ReflectionClass::hasConstant

(PHP 5 >= 5.1.2, PHP 7, PHP 8)

ReflectionClass::hasConstant — Checks if constant is defined

Descrizione

public ReflectionClass::hasConstant(string $name): bool

Checks whether the class has a specific constant defined or not.

Elenco dei parametri

name: The name of the constant being checked for.

Valori restituiti

true if the constant is defined, otherwise false.

Esempi

Example #1 ReflectionClass::hasConstant() example

<?php
class Foo {
    const c1 = 1;
}

$class = new ReflectionClass("Foo");

var_dump($class->hasConstant("c1"));
var_dump($class->hasConstant("c2"));
?>

Il precedente esempio visualizzerà qualcosa simile a:

bool(true)
bool(false)

Vedere anche:

ReflectionClass::hasMethod() - Checks if method is defined
ReflectionClass::hasProperty() - Checks if property is defined

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