older version of PHP don't suppor tmultiple arguments to array_unique().  closes: bug#26625.
older version of PHP don't suppor tmultiple arguments to array_unique().  closes: bug#26625.
foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm,foocorp/gnu-fm