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<?php function foo(\Foo\Bar&\Foo\Baz $param = null) { var_dump($param); } foo(null);
Output for 8.2.11
NULL
Output for 8.1.11
Fatal error: Cannot use null as default value for parameter $param of type Foo\Bar&Foo\Baz in /in/k0OjD on line 3
Process exited with code 255.
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