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run code in 300+ PHP versions simultaneously
<?php class ClassSave { function __destruct(){ global $test; $test = $this; echo "Destruct\r\n"; } } echo "1: "; new ClassSave(); echo "2: "; var_dump($test); $test = null; unset($test); echo "End\r\n";
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 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 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
1: Destruct 2: object(ClassSave)#1 (0) { } End
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
1: 2: Notice: Undefined variable: test in /in/r5pZR on line 13 NULL End

preferences:
288.68 ms | 402 KiB | 417 Q