ReflectionProperty::isInitialized
(PHP 7 >= 7.4.0)
ReflectionProperty::isInitialized — Checks whether a property is initialized
Descrierea
public ReflectionProperty::isInitialized
([ object|null
$object = null
] ) : boolChecks whether a property is initialized.
Parametri
-
object -
If the property is non-static an object must be provided to fetch the property from.
Valorile întoarse
Returns false for typed properties prior to initialization,
and for properties that have been explicitly unset().
For all other properties true will be returned.
Erori/Excepții
Throws a ReflectionException if the property is inaccessible. You can make a protected or private property accessible using ReflectionProperty::setAccessible().
Istoricul schimbărilor
| Versiune | Descriere |
|---|---|
| 8.0.0 |
object is nullable now.
|
Exemple
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));
?>
Exemplul de mai sus va afișa:
bool(false) bool(true)
A se vedea și
- ReflectionProperty::hasType() - Checks if property has a type
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