(PHP 4 >=4.0.1, PHP 5, PHP 7, PHP 8)
    Created by unserialize()
    when trying to unserialize an undefined class
    or a class that is not listed in the allowed_classes
    of unserialize()'s options array.
   
    Prior to PHP 7.2.0, using is_object() on the
    __PHP_Incomplete_Class class would return false.
    As of PHP 7.2.0, true will be returned.
   
    This class has no default properties or methods.
    When created by unserialize(),
    in addition to all unserialized properties and values
    the object will have a __PHP_Incomplete_Class_Name property
    which will contain the name of the unserialized class.
   
| Sürüm: | Açıklama | 
|---|---|
| 8.0.0 | This class is now final. | 
Örnek 1 Created by unserialize()
<?php
class MyClass
{
    public string $property = "myValue";
}
$myObject = new MyClass;
$foo = serialize($myObject);
// unserializes all objects into __PHP_Incomplete_Class objects
$disallowed = unserialize($foo, ["allowed_classes" => false]);
var_dump($disallowed);
// unserializes all objects into __PHP_Incomplete_Class objects except those of MyClass2 and MyClass3
$disallowed2 = unserialize($foo, ["allowed_classes" => ["MyClass2", "MyClass3"]]);
var_dump($disallowed2);
// unserializes undefined class into __PHP_Incomplete_Class object
$undefinedClass = unserialize('O:16:"MyUndefinedClass":0:{}');
var_dump($undefinedClass);Yukarıdaki örneğin çıktısı:
object(__PHP_Incomplete_Class)#2 (2) {
  ["__PHP_Incomplete_Class_Name"]=>
  string(7) "MyClass"
  ["property"]=>
  string(7) "myValue"
}
object(__PHP_Incomplete_Class)#3 (2) {
  ["__PHP_Incomplete_Class_Name"]=>
  string(7) "MyClass"
  ["property"]=>
  string(7) "myValue"
}
object(__PHP_Incomplete_Class)#4 (1) {
  ["__PHP_Incomplete_Class_Name"]=>
  string(16) "MyUndefinedClass"
}
