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

Try using rtrim on your output. For example:

$output = '';

while ($servdescarrayrow = mysql_fetch_array($servdescarray)) {    
    $output .= $servdescarrayrow['serv_desc'].",";
}

echo rtrim($output, ',');