111      * @param mixed $default Default to return if parameter isn't set
115     public function param($name, $default = null, $nonempty = false)  argument
117         if (!isset($this->access[$name])) return $default;
119         if ($nonempty && empty($value)) return $default;
141      * @param mixed $default If parameter is not set, initialize with this value
145     public function &ref($name, $default = '', $nonempty = false)  argument
148             $this->set($name, $default);
158      * @param int $default Default to return if parameter isn't set or is an array
162     public function int($name, $default = 0, $nonempty = false)  argument
164         if (!isset($this->access[$name])) return $default;
165         if (is_array($this->access[$name])) return $default;
167         if ($value === '') return $default;
168         if ($nonempty && empty($value)) return $default;
177      * @param string $default Default to return if parameter isn't set or is an array
181     public function str($name, $default = '', $nonempty = false)  argument
183         if (!isset($this->access[$name])) return $default;
184         if (is_array($this->access[$name])) return $default;
186         if ($nonempty && empty($value)) return $default;
200      * @param mixed $default Default to return if parameter isn't set or not valid
203     public function valid($name, $valids, $default = null)  argument
205         if (!isset($this->access[$name])) return $default;
206         if (is_array($this->access[$name])) return $default; // we don't allow arrays
210         return $default;
219      * @param mixed $default Default to return if parameter isn't set
223     public function bool($name, $default = false, $nonempty = false)  argument
225         if (!isset($this->access[$name])) return $default;
226         if (is_array($this->access[$name])) return $default;
228         if ($value === '') return $default;
229         if ($nonempty && empty($value)) return $default;
238      * @param mixed $default Default to return if parameter isn't set
242     public function arr($name, $default = [], $nonempty = false)  argument
244         if (!isset($this->access[$name])) return $default;
245         if (!is_array($this->access[$name])) return $default;
246         if ($nonempty && empty($this->access[$name])) return $default;