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<?php $a = new class{}; $methods = get_class_methods('class@anonymous'); var_dump($methods);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught TypeError: get_class_methods(): Argument #1 ($object_or_class) must be an object or a valid class name, string given in /in/l26u1:4 Stack trace: #0 /in/l26u1(4): get_class_methods('class@anonymous') #1 {main} thrown in /in/l26u1 on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
NULL
Output for 5.6.0 - 5.6.29
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/l26u1 on line 3
Process exited with code 255.

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