--TEST-- iconv_mime_encode() sanity cheeck. --SKIPIF-- <?php extension_loaded('iconv') or die('skip iconv extension is not available'); ?> --INI-- iconv.input_encoding = ISO-8859-1 iconv.internal_encoding = ISO-8859-1 iconv.output_encoding = ISO-8859-1 --FILE-- <?php var_dump(iconv_mime_encode('', '')); var_dump(iconv_mime_encode('', '', array('line-break-chars' => 1))); ?> --EXPECT-- string(19) ": =?ISO-8859-1?B??=" string(19) ": =?ISO-8859-1?B??="