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run code in 300+ PHP versions simultaneously
<?php interface Toto { const EVENT = 'toto'; } class Tata implements Toto { const EVENT = 'Tata'; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Cannot inherit previously-inherited or override constant EVENT from interface Toto in /in/5K0UQ on line 7
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Cannot inherit previously-inherited or override constant EVENT from interface Toto in /in/5K0UQ on line 8
Process exited with code 255.

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