| | |
| | | /** |
| | | * Interpret a format=flowed message body according to RFC 2646 |
| | | * |
| | | * @param string $text Raw body formatted as flowed text |
| | | * @param string $text Raw body formatted as flowed text |
| | | * @param string $mark Mark each flowed line with specified character |
| | | * |
| | | * @return string Interpreted text with unwrapped lines and stuffed space removed |
| | | */ |
| | | public static function unfold_flowed($text) |
| | | public static function unfold_flowed($text, $mark = null) |
| | | { |
| | | $text = preg_split('/\r?\n/', $text); |
| | | $last = -1; |
| | | $q_level = 0; |
| | | $marks = array(); |
| | | |
| | | foreach ($text as $idx => $line) { |
| | | if (preg_match('/^(>+)/', $line, $m)) { |
| | |
| | | ) { |
| | | $text[$last] .= $line; |
| | | unset($text[$idx]); |
| | | |
| | | if ($mark) { |
| | | $marks[$last] = true; |
| | | } |
| | | } |
| | | else { |
| | | $last = $idx; |
| | |
| | | } |
| | | else { |
| | | // remove space-stuffing |
| | | $line = preg_replace('/^\s/', '', $line); |
| | | $line = preg_replace('/^ /', '', $line); |
| | | |
| | | if (isset($text[$last]) && $line |
| | | && $text[$last] != '-- ' |
| | |
| | | ) { |
| | | $text[$last] .= $line; |
| | | unset($text[$idx]); |
| | | |
| | | if ($mark) { |
| | | $marks[$last] = true; |
| | | } |
| | | } |
| | | else { |
| | | $text[$idx] = $line; |
| | |
| | | $q_level = $q; |
| | | } |
| | | |
| | | if (!empty($marks)) { |
| | | foreach (array_keys($marks) as $mk) { |
| | | $text[$mk] = $mark . $text[$mk]; |
| | | } |
| | | } |
| | | |
| | | return implode("\r\n", $text); |
| | | } |
| | | |