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run code in 300+ PHP versions simultaneously
<?php $a = new __PHP_Incomplete_Class(); var_dump(is_object($a)); class A extends __PHP_Incomplete_Class { } $a = new A(); var_dump(is_object($a));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Class A cannot extend final class __PHP_Incomplete_Class in /in/RDuCv on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Class A may not inherit from final class (__PHP_Incomplete_Class) in /in/RDuCv on line 8
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
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/RDuCv 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/RDuCv 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/RDuCv on line 3

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199.5 ms | 402 KiB | 329 Q