ReflectionProperty::isInitialized

(PHP 7 >= 7.4.0, PHP 8)

ReflectionProperty::isInitializedChecks whether a property is initialized

Beschreibung

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

Checks whether a property is initialized.

Parameter-Liste

object

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

Rückgabewerte

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

Fehler/Exceptions

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

Changelog

Version Beschreibung
8.0.0 object is nullable now.

Beispiele

Beispiel #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));
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

bool(false)
bool(true)

Siehe auch

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