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<?php class A{ public static $stuff; } var_dump(property_exists("A", "stuff")); var_dump(A::$stuff); unset(A::$stuff); var_dump(property_exists("A", "stuff")); var_dump(A::$stuff);
Output for 7.0.0 - 7.0.20, 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 - 8.2.19, 8.3.0 - 8.3.7
bool(true) NULL Fatal error: Uncaught Error: Attempt to unset static property A::$stuff in /in/RYW8H:10 Stack trace: #0 {main} thrown in /in/RYW8H on line 10
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
bool(true) NULL Fatal error: Attempt to unset static property A::$stuff in /in/RYW8H on line 10
Process exited with code 255.

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