3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Foo{ function bar(){} } trait Baz{ use Foo; } abstract class A { use Foo; use Baz; }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Trait method bar has not been applied, because there are collisions with other trait methods on A in /in/GceRg on line 11
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Trait method bar has not been applied, because there are collisions with other trait methods on A in /in/GceRg on line 15
Process exited with code 255.
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309.11 ms | 408 KiB | 5 Q