Update phpBB to 3.1.3 #1
Description
utf_normalizer::nfkc($text); raises an error Strict Standards: Non-static method utf_normalizer::nfc() should not be called statically since phpBB 3.1.1 it is fixed http://stackoverflow.com/questions/12048453/non-static-method-utf-normalizernfc-should-not-be-called-statically