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<?php class A { private $foo = 'bar'; } class B extends A { public function getFoo() { return (array)$this[chr(0) . 'A' . chr(0) . 'foo']; } } $b = new B(); var_dump($b->getFoo());
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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: Cannot use object of type B as array in /in/v7o6k:11 Stack trace: #0 /in/v7o6k(17): B->getFoo() #1 {main} thrown in /in/v7o6k on line 11
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Cannot use object of type B as array in /in/v7o6k on line 11
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: this in /in/v7o6k on line 11 array(0) { }
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: this in /in/v7o6k on line 11 array(0) { }
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/v7o6k on line 4
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/v7o6k on line 4
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/v7o6k on line 4
Process exited with code 255.

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