3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface BaseInterface { public function testMethod(); } interface TestInterface extends BaseInterface { } class TestClass implements TestInterface, BaseInterface { public function testMethod() { } }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Class TestClass cannot implement previously implemented interface BaseInterface in /in/g3a4c on line 12
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Class TestClass cannot implement previously implemented interface BaseInterface in /in/g3a4c on line 13
Process exited with code 255.

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