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<?php class cywm528 { function __destruct() { echo 'cywm528.'; } } new cywm528; $obj1 = cywm528; $obj2 = $obj1; unset($obj1); echo 'hi, '; $obj2 = null; echo ' ok!';
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
cywm528. Fatal error: Uncaught Error: Undefined constant "cywm528" in /in/0HuAe:10 Stack trace: #0 {main} thrown in /in/0HuAe on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
cywm528. Warning: Use of undefined constant cywm528 - assumed 'cywm528' (this will throw an Error in a future version of PHP) in /in/0HuAe on line 10 hi, ok!
Output for 5.0.0 - 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
cywm528. Notice: Use of undefined constant cywm528 - assumed 'cywm528' in /in/0HuAe on line 10 hi, ok!
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Use of undefined constant cywm528 - assumed 'cywm528' in /in/0HuAe on line 10 hi, ok!

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