- rtrim: documentation ( source)
<?php
$cars=array("Dodge"=>array("Avenger","Challenger","Charger","Dart"),"Toyota"=>array("Highlander","Tundra","Corolla"),"Nissan"=>array("Sentra","Altima","Maxima"));
echo "Make: Toyota"; echo "<br><br>";
foreach($cars['Toyota'] as $x)
{
$cars['Toyota'] = rtrim($x, ',');
echo "$x, ";
}
?>