Question

Here is my model. I’m not sure I’m on the right track, but this is a start. I have a survey form on my website and all of the values are numeric in INT fields. I want to compute the average of each of 10 columns. Rather than computing each result separately, I was wondering if there was a way to use a loop to process the results. So here it is:

function survey_averages() {

        $q = array(
                    '1' => 'q1',
                    '2' => 'q2',
                    '3' => 'q3',
                    '4' => 'q4',
                    '5' => 'q5',
                    '6' => 'q6',
                    '7' => 'q7',
                    '8' => 'q8',
                    '9' => 'q9',
                    '10' => 'q10'
                    );


        for ($i=1; $i<11; $i++) {
            $this->db->select_avg($q[$i]);
            $query[$i] = $this->db->get('survey');
        }

        return $query;

    }

If I’m on the right track, then how to I get back the results of the array? If I’m on the wrong track, what do I need to change? Also, if I do this in my controller:

foreach($query->result_array() as $row) {

How do I return the rows of my array? PHP is not letting me do $row->1 or $row->’1′.

Answer 1

try var_dump($query->result_array())