3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Baz { public function foo(); } trait Foo { public function foo(){ echo 'foo me'; } } class Bar implements Baz { use Foo {Baz::foo as biz;} } $foo = new Foo(); $foo->biz();
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, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Class Baz is not a trait, Only traits may be used in 'as' and 'insteadof' statements in /in/PAk6D on line 14
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Class Baz is not a trait, Only traits may be used in 'as' and 'insteadof' statements in /in/PAk6D on line 17
Process exited with code 255.
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