<?php return [ [ 'QWDFGYUIOP', 'QWERTYUIOP', 'ERT', 'DFG', ], [ 'Mxrk Bxker', 'Mark Baker', 'a', 'x', ], [ 'Mxrk Baker', 'Mark Baker', 'a', 'x', 1, ], [ 'Mark Baker', 'Mark Baker', 'x', 'a', 1, ], 'Unicode equivalence is not supported' => [ "\u{0061}\u{030A}", "\u{0061}\u{030A}", "\u{00E5}", 'x', ], 'Multibytes are supported' => [ 'x', "\u{00E5}", "\u{00E5}", 'x', ], ];