- $source = $IMAP->get_raw_headers($uid);
-
- if ($source)
- {
- $source = htmlspecialchars(trim($source));
- $source = preg_replace('/\t/', ' ', $source);
- $source = preg_replace('/^([a-z0-9_:-]+)/im', '<font class="bold">'.'\1'.'</font>', $source);
- $source = preg_replace('/\r?\n/', '<br />', $source);
-
- $OUTPUT->command('set_headers', $source);
- $OUTPUT->send();
+ $source = $IMAP->get_raw_headers($uid);
+
+ if ($source !== false) {
+ $source = htmlspecialchars(trim($source));
+ $source = preg_replace(
+ array(
+ '/\n[\t\s]+/',
+ '/^([a-z0-9_:-]+)/im',
+ '/\r?\n/'
+ ),
+ array(
+ "\n ",
+ '<font class="bold">\1</font>',
+ '<br />'
+ ), $source);
+
+ $OUTPUT->command('set_headers', $source);
+ }
+ else {
+ $RCMAIL->output->show_message('messageopenerror', 'error');