private function findOptionByColumn($column, $key)
    {
        $options = $this->findOptionsByColumn($column);
        return isset($options[$key]) ? $options[$key] : null;
    }
private function findOptionByColumn($column, $key)
    {
        $options = $this->findOptionsByColumn($column);
        return isset($options[$key]) ? $options[$key] : null;
    }
private function findOptionByColumn ( $ column , $ key ) { $ options = $ this -> findOptionsByColumn ( $ column ) ; return isset ( $ options [ $ key ] ) ? $ options [ $ key ] : null ; }
Find options by particular column

@param string $column Column name
@param string $option Option key
@return mixed Null on failure
Find options by particular column