- function findDisplayEntity ($message) {
- if ($message) {
- if ($message->header->type0 == "text") {
- if ($message->header->type1 == "plain" ||
- $message->header->type1 == "html") {
- if (isset($message->header->entity_id))
- return $message->header->entity_id;
- return 0;
- }
- } else {
- for ($i=0; $message->entities[$i]; $i++) {
- return findDisplayEntity($message->entities[$i]);
- }
- }
- }
+ function findDisplayEntity ($message, $textOnly = 1, $next = 'none')
+ {
+ global $show_html_default;
+
+ if (! $message)
+ return;
+
+ // Show text/plain or text/html -- the first one we find.
+ if ($message->header->type0 == 'text' &&
+ ($message->header->type1 == 'plain' ||
+ $message->header->type1 == 'html'))
+ {
+ // If the next part is an HTML version, this will
+ // all be true. Show it, if the user so desires.
+ // HTML mails this way all have entity_id of 2. 1 = text/plain
+ if ($next != 'none' &&
+ $textOnly == 0 &&
+ $next->header->type0 == "text" &&
+ $next->header->type1 == "html" &&
+ $next->header->entity_id == 2 &&
+ $message->header->type1 == "plain" &&
+ isset($show_html_default) &&
+ $show_html_default)
+ $message = $next;
+
+ if (isset($message->header->entity_id))
+ return $message->header->entity_id;
+ }
+ else
+ {
+ for ($i=0; isset($message->entities[$i]); $i++)
+ {
+ $next = 'none';
+ if (isset($message->entities[$i + 1]))
+ $next = $message->entities[$i + 1];
+ $entity = findDisplayEntity($message->entities[$i],
+ $textOnly, $next);
+ if ($entity != 0)
+ return $entity;
+ }
+ }
+ return 0;