Showing part of a string

[pjb007]

Using PHP/MySQL database

So far this is the code

<?php echo substr($row_rsNews['newsArea'], 0, 150);  ?>.....<a href="news_item.php?newsId=<?php echo $row_rsNews['newsId']; ?>" >(more)</a> <br /><br />

That shows the first 150 characters, any way of changing that to show the first 22 words.