Echo a comma on all but the last value? (result from mysql_fetch_array)

Question

How do I echo a comma on all but the last value? Here\'s my code:

while ($servdescarrayrow = mysql_fetch_array($servdescarray)) {

    ECHO $servdescarrayrow         


        

Answer 1

This should work:

$i = 0;
$c = mysql_num_rows ( 
while ($servdescarrayrow = mysql_fetch_array($servdescarray)) {
    $i++;
    if ( $i < mysql_num_rows ) echo $servdescarrayrow['serv_desc'].",";
    else echo $servdescarrayrow['serv_desc'];
}