104      * @param mixed     $default  Default to return if parameter isn't set
108     public function param($name, $default = null, $nonempty = false) {  argument
109         if(!isset($this->access[$name])) return $default;
111         if($nonempty && empty($value)) return $default;
132      * @param mixed     $default If parameter is not set, initialize with this value
136     public function &ref($name, $default = '', $nonempty = false) {  argument
138             $this->set($name, $default);
148      * @param int       $default  Default to return if parameter isn't set or is an array
152     public function int($name, $default = 0, $nonempty = false) {  argument
153         if(!isset($this->access[$name])) return $default;
154         if(is_array($this->access[$name])) return $default;
156         if($value === '') return $default;
157         if($nonempty && empty($value)) return $default;
166      * @param string    $default  Default to return if parameter isn't set or is an array
170     public function str($name, $default = '', $nonempty = false) {  argument
171         if(!isset($this->access[$name])) return $default;
172         if(is_array($this->access[$name])) return $default;
174         if($nonempty && empty($value)) return $default;
188      * @param mixed  $default Default to return if parameter isn't set or not valid
191     public function valid($name, $valids, $default = null) {  argument
192         if(!isset($this->access[$name])) return $default;
193         if(is_array($this->access[$name])) return $default; // we don't allow arrays
197         return $default;
206      * @param mixed     $default  Default to return if parameter isn't set
210     public function bool($name, $default = false, $nonempty = false) {  argument
211         if(!isset($this->access[$name])) return $default;
212         if(is_array($this->access[$name])) return $default;
214         if($value === '') return $default;
215         if($nonempty && empty($value)) return $default;
224      * @param mixed     $default  Default to return if parameter isn't set
228     public function arr($name, $default = array(), $nonempty = false) {  argument
229         if(!isset($this->access[$name])) return $default;
230         if(!is_array($this->access[$name])) return $default;
231         if($nonempty && empty($this->access[$name])) return $default;