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run code in 300+ PHP versions simultaneously
<?php interface PsrClient { } interface HTTPlugClient extends PsrClient { } class CurlClient implements HTTPlugClient, PsrClient { }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Output for 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Fatal error: Class CurlClient cannot implement previously implemented interface PsrClient in /in/Drbl2 on line 11
Process exited with code 255.
Output for 5.6.38
Fatal error: Class CurlClient cannot implement previously implemented interface PsrClient in /in/Drbl2 on line 12
Process exited with code 255.

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84.93 ms | 408 KiB | 5 Q