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

Here's one possible way. Not very graceful, but does the job:

$Ix = 0;
while ($servdescarrayrow = mysql_fetch_array($servdescarray)) {
    if ($Ix > 0)
        echo ",";
    $Ix++;
    echo $servdescarrayrow['serv_desc'];
}