Some of the Philistines brought Jehoshaphat presents - i. e. “some of the Philistines were among his tributaries.” Compare 2Sa 8:2; 1 Kings 4:21.
Tribute silver - Or, “much silver” - literally “silver of burthen.”
The Arabians - The Arab tribes who bordered Judaea to the south and the southeast paid Jehoshaphat a fixed tribute in kind. Compare 2 Kings 3:4 note.