$strChar = "1,3,5"
$split_strChar = explode(",",$strChar ); for($list = 0;$list<count($split_strChar);$list++){
echo $split_strChar[$list]."<br>";
}
$split_strChar = explode(",",$strChar ); for($list = 0;$list<count($split_strChar);$list++){
echo $split_strChar[$list]."<br>";
}
$str = explode(",",$str );
echo $str[1];