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<?php interface TestInterface { public function test($value = null); } class TestClass implements TestInterface { public function test($value) { return $value; } } var_dump((new TestClass)->test());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Declaration of TestClass::test($value) must be compatible with TestInterface::test($value = null) in /in/L94uR on line 8
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of TestClass::test($value) must be compatible with TestInterface::test($value = null) in /in/L94uR on line 8
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Declaration of TestClass::test($value) must be compatible with TestInterface::test($value = NULL) in /in/L94uR on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33
Fatal error: Declaration of TestClass::test($value) must be compatible with TestInterface::test($value = NULL) in /in/L94uR on line 7
Process exited with code 255.
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