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<?php function foo(string $param = null) { var_dump($param); } function bar(\Foo\Bar|\Foo\Baz $param = null) { var_dump($param); } foo(null); bar(null);
Output for 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Deprecated: foo(): Implicitly marking parameter $param as nullable is deprecated, the explicit nullable type must be used instead in /in/iBlne on line 2 Deprecated: bar(): Implicitly marking parameter $param as nullable is deprecated, the explicit nullable type must be used instead in /in/iBlne on line 3 NULL NULL
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.1.11 - 8.1.33, 8.2.10 - 8.2.29, 8.3.0 - 8.3.28
NULL NULL
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