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<?php trait foo { static $bar = []; public static function a() { static::$bar = ["foo"]; echo "Goodbye Moon"; } } class bing { use foo; static $bar = []; public static function a() { foo::a(); var_dump(static::$bar, foo::$bar); } } bing::a();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Calling static trait method foo::a is deprecated, it should only be called on a class using the trait in /in/GiNC8 on line 17 Deprecated: Accessing static trait property foo::$bar is deprecated, it should only be accessed on a class using the trait in /in/GiNC8 on line 6 Goodbye Moon Deprecated: Accessing static trait property foo::$bar is deprecated, it should only be accessed on a class using the trait in /in/GiNC8 on line 18 array(0) { } array(1) { [0]=> string(3) "foo" }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Goodbye Moonarray(0) { } array(1) { [0]=> string(3) "foo" }
Output for 5.6.7 - 5.6.28
Strict Standards: bing and foo define the same property ($bar) in the composition of bing. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed in /in/GiNC8 on line 20 Goodbye Moonarray(0) { } array(1) { [0]=> string(3) "foo" }
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35
Fatal error: bing and foo define the same property ($bar) in the composition of bing. However, the definition differs and is considered incompatible. Class was composed in /in/GiNC8 on line 20
Process exited with code 255.
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