ReflectionProperty::isInitialized
(PHP 7 >= 7.4.0, PHP 8)
ReflectionProperty::isInitialized — Checks whether a property is initialized
Descrizione
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 visualizzerà:
bool(false) bool(true)
Vedere anche:
- ReflectionProperty::hasType() - Checks if property has a type
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