thorsten / phpMyFAQ

			$end_offset = 0;

			foreach ($numseq[1] as $val) {

				$offset = $val[1];

				if ($offset > $end_offset) {

					// B sequence

					$sequence[] = array('B', substr($code, $end_offset, ($offset - $end_offset)), ($offset - $end_offset));

				}

				// A sequence

				$slen = strlen($val[0]);

				$sequence[] = array('A', substr($code, $offset, $slen), $slen);

				$sequence[] = array('A', substr($code, $offset, $slen), $slen);

				$end_offset = $offset + $slen;

			}

			if ($end_offset < $len) {

				$sequence[] = array('B', substr($code, $end_offset), ($len - $end_offset));

			}

		} else {

			// only B sequence

			$sequence[] = array('B', $code, $len);