--TEST-- Ensure a class may not inherit two constants with the same name from two separate interfaces. --FILE-- <?php interface I1 { const FOO = 10; } interface I2 { const FOO = 10; } class C implements I1,I2 { } echo "Done\n"; ?> --EXPECTF-- Fatal error: Cannot inherit previously-inherited or override constant FOO from interface I2 in %s on line 10