3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new __PHP_Incomplete_Class(); var_dump(is_object($x)); class Foo extends __PHP_Incomplete_Class { } $y = new Foo(); var_dump(is_object($y));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Class Foo cannot extend final class __PHP_Incomplete_Class in /in/amqBC on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Class Foo may not inherit from final class (__PHP_Incomplete_Class) in /in/amqBC on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(true)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
bool(false) bool(true)
Output for 4.3.11, 4.4.0 - 4.4.9
Fatal error: Unknown(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition unknown of the object you are trying to operate on was loaded _before_ the session was started in /in/amqBC on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.10
Fatal error: Unknown(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition <b>unknown</b> of the object you are trying to operate on was loaded _before_ the session was started in /in/amqBC on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Unknown(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition <b>unknown</b> of the object you are trying to operate on was loaded _before_ the session was started in /in/amqBC on line 3

preferences:
273.03 ms | 402 KiB | 456 Q