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<?php class Foo { public $bar='bar'; private $baz='baz'; } $foo = new Foo; unset($foo->$bar); var_dump($foo);
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
Warning: Undefined variable $bar in /in/eNI8I on line 7 object(Foo)#1 (2) { ["bar"]=> string(3) "bar" ["baz":"Foo":private]=> string(3) "baz" }
Output for 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 variable: bar in /in/eNI8I on line 7 object(Foo)#1 (2) { ["bar"]=> string(3) "bar" ["baz":"Foo":private]=> string(3) "baz" }
Output for 7.3.32 - 7.3.33
object(Foo)#1 (2) { ["bar"]=> string(3) "bar" ["baz":"Foo":private]=> string(3) "baz" }
Output for 7.0.0 - 7.0.20
Notice: Undefined variable: bar in /in/eNI8I on line 7 Fatal error: Uncaught Error: Cannot access empty property in /in/eNI8I:7 Stack trace: #0 {main} thrown in /in/eNI8I on line 7
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Notice: Undefined variable: bar in /in/eNI8I on line 7 Fatal error: Cannot access empty property in /in/eNI8I on line 7
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: bar in /in/eNI8I on line 7 object(Foo)#1 (2) { ["bar"]=> string(3) "bar" ["baz:private"]=> string(3) "baz" }
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: bar in /in/eNI8I on line 7 object(Foo)#1 (2) { ["bar"]=> string(3) "bar" ["baz:private"]=> string(3) "baz" }
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/eNI8I 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/eNI8I 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/eNI8I on line 3
Process exited with code 255.

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