ReflectionProperty::isInitialized
(PHP 7 >= 7.4.0)
ReflectionProperty::isInitialized — Checks whether a property is initialized
Opis
public ReflectionProperty::isInitialized
([ object
$object
] ) : boolChecks whether a property is initialized.
Parametry
-
object -
If the property is non-static an object must be provided to fetch the property from.
Zwracane wartości
Returns FALSE for typed properties prior to initialization,
and for properties that have been explicitly unset().
For all other properties TRUE will be returned.
Błędy/Wyjątki
Throws a ReflectionException if the property is inaccessible. You can make a protected or private property accessible using ReflectionProperty::setAccessible().
Przykłady
Przykład #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));
?>
Powyższy przykład wyświetli:
bool(false) bool(true)
Zobacz też:
- ReflectionProperty::hasType() - Checks if property has a type
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