Category:Libraries -> Extended
Additional/overwritten methods for the Input library.
Add the methods you find useful
class MY_Input extends CI_Input
{
function MY_Input()
{
parent::CI_Input();
}
/**
* Sanitize Globals
*
* removed sanitizing of post and cookie values
*/
function _sanitize_globals()
{
// Would kind of be "wrong" to unset any of these GLOBALS
$protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST', '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
'system_folder', 'application_folder', 'BM', 'EXT', 'CFG', 'URI', 'RTR', 'OUT', 'IN');
// Unset globals for security.
// This is effectively the same as register_globals = off
foreach (array($_GET, $_POST, $_COOKIE, $_SERVER, $_FILES, $_ENV, (isset($_SESSION) && is_array($_SESSION)) ? $_SESSION : array()) as $global)
{
if ( ! is_array($global))
{
if ( ! in_array($global, $protected))
{
unset($GLOBALS[$global]);
}
}
else
{
foreach ($global as $key => $val)
{
if ( ! in_array($key, $protected))
{
unset($GLOBALS[$key]);
}
if (is_array($val))
{
foreach($val as $k => $v)
{
if ( ! in_array($k, $protected))
{
unset($GLOBALS[$k]);
}
}
}
}
}
}
// Is $_GET data allowed? If not we'll set the $_GET to an empty array
if ($this->allow_get_array == FALSE)
{
$_GET = array();
}
else
{
if (is_array($_GET) AND count($_GET) > 0)
{
foreach($_GET as $key => $val)
{
$_GET[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
}
}
}
/**
* Fetch an item from the POST array
*
* added a default as second argument to define a value if needed
* example : $this->input->post('fieldname','default value');
* set $xss_clean to NULL for clarity and added an extra condition for the
* xss cleaning to overwrite the xss cleaning setting in the config file.
*/
function post($index = '', $default = FALSE, $xss_clean = NULL)
{
if ( ! isset($_POST[$index]))
{
return $default;
}
if ($xss_clean === TRUE || ($this->use_xss_clean === TRUE && $xss_clean !== FALSE))
{
if (is_array($_POST[$index]))
{
foreach($_POST[$index] as $key => $val)
{
$_POST[$index][$key] = $this->xss_clean($val);
}
}
else
{
return $this->xss_clean($_POST[$index]);
}
}
return $_POST[$index];
}
/**
* Fetch an item from the COOKIE array
*
* see post method
*/
function cookie($index = '', $default = FALSE, $xss_clean = FALSE)
{
if ( ! isset($_COOKIE[$index]))
{
return $default;
}
if ($xss_clean === TRUE || ($this->use_xss_clean === TRUE && $xss_clean !== FALSE))
{
if (is_array($_COOKIE[$index]))
{
$cookie = array();
foreach($_COOKIE[$index] as $key => $val)
{
$cookie[$key] = $this->xss_clean($val);
}
return $cookie;
}
else
{
return $this->xss_clean($_COOKIE[$index]);
}
}
else
{
return $_COOKIE[$index];
}
}
}