get - session - post

[Admin]

/*
Reads the requested global $_GET variable item and returns its or the defined 
default value:
n = get("p", "0"); 
*/
function get($var, $default)
{
    if(isset($_GET[$var]))
    {
        if($_GET[$var])
        {
            return $_GET[$var];
        }
    }
    
    return $default;
}

/*
Reads the requested global $_SESSION variable item and returns its or the 
defined default value:
n = session("username", "guest"); 
*/
function session($var, $default)
{
    if(isset($_SESSION[$var]))
    {
        if($_SESSION[$var])
        {
            return $_SESSION[$var];
        }
    }
    
    return $default;
}

/*
Reads the requested global $_POST variable item and returns its or the 
defined default value:
n = post("value", "123"); 
*/
function post($var, $default)
{
    if(isset($_POST[$var]))
    {
        if($_POST[$var])
        {
            return $_POST[$var];
        }
    }
    
    return $default;
}