//Remove the last character using substr
$string = substr($string, 0, -1);
$hell = substr('hello', 0, -1);
$arrStr = 'Str1, Str2, str3, ';
echo rtrim($arrStr, ", "); //Str1, Str2, str3
echo substr_replace($arrStr, "", -2); //Str1, Str2, str3
echo substr($arrStr, 0, -2); // Str1, Str2, str3
$string = rtrim($string_to_remove);
echo substr('a,b,c,d,e,', 0, -1);
# => 'a,b,c,d,e'
$newarraynama = rtrim($arraynama, ", ");
$newarraynama = rtrim($arraynama, ", ");
substr(string $string, int $start, int[optional] $length=null);