if ($key == 'ENCODING') {
// add next line(s) to value string if QP line end detected
while ($value == 'QUOTED-PRINTABLE' && preg_match('/=$/', $lines[$i]))
if ($key == 'ENCODING') {
// add next line(s) to value string if QP line end detected
while ($value == 'QUOTED-PRINTABLE' && preg_match('/=$/', $lines[$i]))