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<?php class ThisIsAwful { public static function is($val) { define(__CLASS__, $val); } } spl_autoload_register(function($class) { eval("class $class extends ThisIsAwful {}"); }, true, true); You::is('awful'); var_dump(You); This::is('awful'); var_dump(This);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "You" in /in/fio3g:13 Stack trace: #0 {main} thrown in /in/fio3g on line 13
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: Use of undefined constant You - assumed 'You' (this will throw an Error in a future version of PHP) in /in/fio3g on line 13 string(3) "You" Notice: Constant ThisIsAwful already defined in /in/fio3g on line 4 Warning: Use of undefined constant This - assumed 'This' (this will throw an Error in a future version of PHP) in /in/fio3g on line 16 string(4) "This"
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant You - assumed 'You' (this will throw an Error in a future version of PHP) in /in/fio3g on line 13 string(3) "You" Warning: Use of undefined constant This - assumed 'This' (this will throw an Error in a future version of PHP) in /in/fio3g on line 16 string(4) "This"
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant You - assumed 'You' in /in/fio3g on line 13 string(3) "You" Notice: Constant ThisIsAwful already defined in /in/fio3g on line 4 Notice: Use of undefined constant This - assumed 'This' in /in/fio3g on line 16 string(4) "This"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/fio3g on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/fio3g on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/fio3g on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/fio3g on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/fio3g on line 3
Process exited with code 255.

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