ReflectionProperty::isInitialized

(PHP 7 >= 7.4.0, PHP 8)

ReflectionProperty::isInitializedChecks whether a property is initialized

Descrizione

public ReflectionProperty::isInitialized(?object $object = null): bool

Checks whether a property is initialized.

Elenco dei parametri

object

If the property is non-static an object must be provided to fetch the property from.

Valori restituiti

Returns false for typed properties prior to initialization, and for properties that have been explicitly unset(). For all other properties true will be returned.

Errori/Eccezioni

Throws a ReflectionException if the property is inaccessible. You can make a protected or private property accessible using ReflectionProperty::setAccessible().

Log delle modifiche

Versione Descrizione
8.0.0 object is nullable now.

Esempi

Example #1 ReflectionProperty::isInitialized() example

<?php
class User
{
    public 
string $name;
}

$rp = new ReflectionProperty('User''name');
$user = new User;
var_dump($rp->isInitialized($user));
$user->name 'Nikita';
var_dump($rp->isInitialized($user));
?>

Il precedente esempio visualizzerĂ :

bool(false)
bool(true)

Vedere anche:

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