Removing last comma in PHP?

Question

I have this PHP code:

foreach( $wpdb->get_results(
) as $key => $row) {

echo \"[\'\". $row->DATE . \"\',\". $row->total_sales . \"],\";

}
         


        

Answer 1

php has a trim function, give it a string and the comma.

$s = trim ($s,",")