3v4l.org

run code in 200+ PHP versions simultaneously
<?php const DEFAULT_VALUE = null; function foo(\stdClass $arg = DEFAULT_VALUE) { var_dump($arg); } var_dump((new ReflectionFunction('foo'))->getParameters()[0]->getDefaultValue()); foo(null);
based on mUePZ
Output for 5.6.4 - 7.4.0
NULL NULL
Output for 5.3.0 - 5.6.3
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/R8WYD on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/R8WYD on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/R8WYD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/R8WYD on line 3
Process exited with code 255.