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<?php trait T1 { public static function m(){ echo "t1 trait"; } } trait T2 { public static function m(){ echo "t2 trait"; } } class Test { use T1, T2; public function __construct() { var_dump((new ReflectionClass($this))->getTraitNames()); } } $t = new Test();
Output for 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: Trait method T2::m has not been applied as Test::m, because of collision with T1::m in /in/bVpbb on line 19
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 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 m has not been applied, because there are collisions with other trait methods on Test in /in/bVpbb on line 19
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Trait method m has not been applied, because there are collisions with other trait methods on Test in /in/bVpbb on line 27
Process exited with code 255.
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