ArrayIterator getIterator() Returns an iterator for parameters. Return Value ArrayIterator An \ArrayIterator instance

int getInt(string $key, int $default) Returns the parameter value converted to integer. Parameters string $key The parameter key int $default The default value if the parameter key does not exist Return Value int The filtered value

string getDigits(string $key, string $default = '') Returns the digits of the parameter value. Parameters string $key The parameter key string $default The default value if the parameter key does not exist Return Value string The filtered value

bool getBoolean(string $key, mixed $default = false) Returns the parameter value converted to boolean. Parameters string $key The parameter key mixed $default The default value if the parameter key does not exist Return Value bool The filtered value

string getAlpha(string $key, string $default = '') Returns the alphabetic characters of the parameter value. Parameters string $key The parameter key string $default The default value if the parameter key does not exist Return Value string The filtered value

string getAlnum(string $key, string $default = '') Returns the alphabetic characters and digits of the parameter value. Parameters string $key The parameter key string $default The default value if the parameter key does not exist Return Value string The filtered value

mixed filter(string $key, mixed $default = null, int $filter = FILTER_DEFAULT, mixed $options = array()) Filter key. Parameters string $key Key mixed $default Default = null int $filter FILTER_* constant mixed $options Filter options Return Value mixed See also http://php.net/manual/en/function.filter-var.php

mixed escapeValue(mixed $value) Escape parameter placeholders %. Parameters mixed $value Return Value mixed

int count() Returns the number of parameters. Return Value int The number of parameters

clear() Clears all parameters.