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run code in 500+ PHP versions simultaneously
<?php class C extends C { public const int X = 42; } class P { public const string X = 'X'; }
Output for 8.3.5 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught Error: Class "C" not found in /in/IKY5H:3 Stack trace: #0 {main} thrown in /in/IKY5H on line 3
Process exited with code 255.
Output for 8.1.30 - 8.1.34, 8.2.22 - 8.2.30
Parse error: syntax error, unexpected identifier "X", expecting "=" in /in/IKY5H on line 4
Process exited with code 255.
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62.88 ms | 732 KiB | 4 Q