Online PHP editor | output for i6bDu

<?php interface I { public int $i { get; } } class C1 implements I { public int $i; } trait T1 { public int $i; } class C2 implements I { use T1; } class C3 implements I { use T1; public int $i; } /** Fatal error: C4 and T1 define the same hooked property ($i) in the composition of C4. Conflict resolution between hooked properties is currently not supported. Class was composed in /in/tKvrA on line 27 class C4 implements I { use T1; public int $i { get => 123; } } */ trait T2 { public int $i { get => 456; } } /** Fatal error: C5 and T2 define the same hooked property ($i) in the composition of C5. Conflict resolution between hooked properties is currently not supported. Class was composed in /in/3fjVL on line 41 class C5 implements I { use T2; public int $i; } */ class C6 implements I { use T2; public int $i { get => 456; } }