How do I get number of common numbers in an array record in Mysql?
<p>How do I get mode of an array record in Mysql?
        <br>i.e: 1,2,3,4,5    ,    1,3,5<br>
I would like to get out of the table user_friends to get which friends these friends have in common, in this case, 1,3,5. How would I accomplish this?</p>
