ReflectionProperty::isInitialized
(PHP 7 >= 7.4.0, PHP 8)
ReflectionProperty::isInitialized — Checks whether a property is initialized
Description
public ReflectionProperty::isInitialized(?object
$object = null): boolChecks whether a property is initialized.
Parameters
-
object -
If the property is non-static an object must be provided to fetch the property from.
Return Values
Returns false for typed properties prior to initialization,
and for properties that have been explicitly unset().
For all other properties true will be returned.
Errors/Exceptions
Throws a ReflectionException if the property is inaccessible. You can make a protected or private property accessible using ReflectionProperty::setAccessible().
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
object is nullable now.
|
Examples
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));
?>
The above example will output:
bool(false) bool(true)
See Also
- ReflectionProperty::hasType() - Checks if property has a type
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