Mine

function find_words() {	$a = mysql_query("SELECT word from dictionary")or die(mysql_error());$results=array();while($row=mysql_fetch_array($a)) {$results[]=$row;$words = $results;$replacewith = "<b>$results</b>";$content = "Niche and There is"; //the_content();$newData = str_replace($words, $replacewith, $content);}echo "$newData";}