chaîne php à uppwe
$lowercase = "this is lower case";
$uppercase = strtoupper($lowercase);
echo $uppercase;
// THIS IS LOWER CASE
Whale
$lowercase = "this is lower case";
$uppercase = strtoupper($lowercase);
echo $uppercase;
// THIS IS LOWER CASErtrim($my_string, ',');
$string = rtrim($string, ',');