Need help breaking out of while() loop - logic problem...

[Antivirus]

I have the following result set from my db:

-------------------------------
| postid | post_statusid |
-------------------------------
| 100 | 4 |
| 101 | 7 |
-------------------------------

And I am looping through the result set as follows:

PHP Code:

$statusid = 8;
while ($post = $vbulletin->db->fetch_array($sql))
{
    if ($post['post_statusid'] == 7)
    {
        $statusid = 7;
    }
    else if ($post['post_statusid'] == 4)
    {
        $statusid = 4;
    }
    else
    {
        $statusid = 8;
    }
    
    // Immediately get out if one of following!
    if ($statusid == 7 || $statusid == 4)
    {
        break;
    }
}            
echo $statusid; 


The rules I want to impose upon the set are as follows:

If any posts have post_statusid of '7' set $statusid = 7
If any posts have post_statusid of '4' and NO posts have post_statusid of '7' set $statusid = 4
If no posts have post_statusid of '7' or of '4' set $statusid = 8

The result set can only have a value of 4,7, or 8. Following are all possible result sets, however the one highlighted in red is giving me a problem. It's returning '4' instead of the needed value of '7':

If: 8,8 $statusid = 8
If: 8,7 $statusid = 7
If: 8,4 $statusid = 4
If: 7,8 $statusid = 7
If: 7,7 $statusid = 7
If: 7,4 $statusid = 7
If: 4,8 $statusid = 4
If: 4,7 $statusid = 7
If: 4,4 $statusid = 4

Anyone have an idea on how to get this one instance of 4,7 to return '7' as I need instead of '4'?

Thanks in advance