[ 'C', 'A', 'A', 'C', 'B', 'D', '??', ], 'match value2 2 result is female' => [ 'Female', 2, '1', 'Male', '2', 'Female', ], 'defined default value' => [ 'X', 'U', 'ABC', 'Y', 'DEF', 'Z', 'X', ], 'undefined default value' => [ '#N/A', 'U', 'ABC', 'Y', 'DEF', 'Z', ], 'no arguments' => ['exception'], ];