3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait TA { function foo() {} } trait TB { function foo() {} } trait TC { function foo() {} } class C { use TA, TB, TC { TB::foo insteadof TA; } } $c = new C; $c->foo(); $c->bar(); $c->baz();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Trait method TC::foo has not been applied as C::foo, because of collision with TB::foo in /in/IXr7l on line 15
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Trait method foo has not been applied, because there are collisions with other trait methods on C in /in/IXr7l on line 15
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Trait method foo has not been applied, because there are collisions with other trait methods on C in /in/IXr7l on line 19
Process exited with code 255.

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