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<?php
/**
*
* @package phpbb_request
* @copyright (c) 2010 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* An interface through which all application input can be accessed.
*
* @package phpbb_request
*/
interface phpbb_request_interface
{
/**#@+
* Constant identifying the super global with the same name.
*/
const POST = 0;
const GET = 1;
const REQUEST = 2;
const COOKIE = 3;
/**#@-*/
/**
* This function allows overwriting or setting a value in one of the super global arrays.
*
* Changes which are performed on the super globals directly will not have any effect on the results of
* other methods this class provides. Using this function should be avoided if possible! It will
* consume twice the the amount of memory of the value
*
* @param string $var_name The name of the variable that shall be overwritten
* @param mixed $value The value which the variable shall contain.
* If this is null the variable will be unset.
* @param phpbb_request_interface::POST|GET|REQUEST|COOKIE $super_global
* Specifies which super global shall be changed
*/
public function overwrite($var_name, $value, $super_global = phpbb_request_interface::REQUEST);
/**
* Central type safe input handling function.
* All variables in GET or POST requests should be retrieved through this function to maximise security.
*
* @param string|array $var_name The form variable's name from which data shall be retrieved.
* If the value is an array this may be an array of indizes which will give
* direct access to a value at any depth. E.g. if the value of "var" is array(1 => "a")
* then specifying array("var", 1) as the name will return "a".
* @param mixed $default A default value that is returned if the variable was not set.
* This function will always return a value of the same type as the default.
* @param bool $multibyte If $default is a string this paramater has to be true if the variable may contain any UTF-8 characters
* Default is false, causing all bytes outside the ASCII range (0-127) to be replaced with question marks
* @param phpbb_request_interface::POST|GET|REQUEST|COOKIE $super_global
* Specifies which super global should be used
*
* @return mixed The value of $_REQUEST[$var_name] run through {@link set_var set_var} to ensure that the type is the
* the same as that of $default. If the variable is not set $default is returned.
*/
public function variable($var_name, $default, $multibyte = false, $super_global = phpbb_request_interface::REQUEST);
/**
* Checks whether a certain variable was sent via POST.
* To make sure that a request was sent using POST you should call this function
* on at least one variable.
*
* @param string $name The name of the form variable which should have a
* _p suffix to indicate the check in the code that creates the form too.
*
* @return bool True if the variable was set in a POST request, false otherwise.
*/
public function is_set_post($name);
/**
* Checks whether a certain variable is set in one of the super global
* arrays.
*
* @param string $var Name of the variable
* @param phpbb_request_interface::POST|GET|REQUEST|COOKIE $super_global
* Specifies the super global which shall be checked
*
* @return bool True if the variable was sent as input
*/
public function is_set($var, $super_global = phpbb_request_interface::REQUEST);
/**
* Returns all variable names for a given super global
*
* @param phpbb_request_interface::POST|GET|REQUEST|COOKIE $super_global
* The super global from which names shall be taken
*
* @return array All variable names that are set for the super global.
* Pay attention when using these, they are unsanitised!
*/
public function variable_names($super_global = phpbb_request_interface::REQUEST);
}
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