--TEST-- Test array_unique() function : usage variations - binary safe checking --FILE-- "hello", "str2" => "world"); var_dump( array_unique($input) ); echo "Done"; ?> --EXPECT-- *** Testing array_unique() : array with binary data for $input argument *** array(3) { [0]=> string(1) "1" [1]=> string(5) "hello" [2]=> string(5) "world" } Done