src/FilterData.php
public function getParameterValue($name)
    {
        return (isset($this->attributes[$name])) ? $this->attributes[$name] : null;
    }
public function getParameterValue($name)
    {
        return (isset($this->attributes[$name])) ? $this->attributes[$name] : null;
    }
public function getParameterValue ( $ name ) { return ( isset ( $ this -> attributes [ $ name ] ) ) ? $ this -> attributes [ $ name ] : null ; }
Gets the value for a parameter

@param $name
@return mixed
Gets the value for a parameter