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<?php interface UserProviderInterface { public function supportsClass($class); } final class UserProvider implements UserProviderInterface { public function supportsClass($class): bool { return $class === $this->class || is_subclass_of($class, $this->class); } } echo (new UserProvider())->supportsClass('');
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined property: UserProvider::$class in /in/vVasO on line 12 Warning: Undefined property: UserProvider::$class in /in/vVasO on line 12 Deprecated: is_subclass_of(): Passing null to parameter #2 ($class) of type string is deprecated in /in/vVasO on line 12
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 Warning: Undefined property: UserProvider::$class in /in/vVasO on line 12 Warning: Undefined property: UserProvider::$class in /in/vVasO on line 12 Deprecated: is_subclass_of(): Passing null to parameter #2 ($class) of type string is deprecated in /in/vVasO on line 12
Output for 8.0.0 - 8.0.30
Warning: Undefined property: UserProvider::$class in /in/vVasO on line 12 Warning: Undefined property: UserProvider::$class in /in/vVasO on line 12
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: UserProvider::$class in /in/vVasO on line 12 Notice: Undefined property: UserProvider::$class in /in/vVasO on line 12
Output for 7.3.32 - 7.3.33
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/vVasO on line 10
Process exited with code 255.
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