---- On Thu, 26 Mar 2015 19:22:57 +0000 Drew Bentley wrote ---- > SORT_FLAG_CASE (integer) > SORT_FLAG_CASE can be combined (bitwise OR) with SORT_STRING or SORT_NATURAL > to sort strings case-insensitively. Added in PHP 5.4.0. > > What version of PHP do you have installed? Most likely it can be ignored. You are exactly right. The next release should not have this warning, though its behaviour will be exactly the same. In other words, to sort the records in the dictionary in a case-insensitive way it is necessary to use a more recent PHP version. -- Denis Ovsienko