How to return multiple arrays from a function in codeigniter?

Question

I am having this function in my controller.

function get_data($year, $month) {

        $query = $this->db->select('date,name,type')->from('books')->like('date', "$year-$month", 'after')->get();
        $data = array();
        $data2 = array();
        $data3 = array();


        foreach ($query->result() as $row) {
            if ($row->name == 'AA' && $row->type == 'AM') {
                $data[substr($row->date, 8, 2)] = '<div class="aa_am">' . $row->name . ' ' . $row->type . '</div>';
            } else if ($row->name == 'AA' && $row->type == 'PM') {
                $data2[substr($row->date, 8, 2)] = '<div class="aa_pm">' . $row->name . ' ' . $row->type . '</div>';
            } else if ($row->name == 'BB' && $row->type == 'AM') {
                $data3[substr($row->date, 8, 2)] = '<div class="bb_am">' . $row->name . ' ' . $row->type . '</div>';
            } 
        }
        return $data;
    }

I want to retrieve all data which is in $data,$data1 and $data2 at the same time. Is it possible to do it?? If anyone have an idea it would be a help for me.

return array($data,$data2,$data3); , other option is return array_merge($data,$data1,$data2). array merge have chances of data lose in case of any key is same. — jagad89
– jagad89, Commented Jun 23, 2015 at 4:11
Is this some kind of homework or something? because same question was posted with same code — Viral
– Viral, Commented Jun 23, 2015 at 5:47

Siddharth Jogia · Accepted Answer · 2015-06-23 04:17:23Z

2

From your code, I don't know what result you expect by combining all data which is in $data, $data1 and $data2.

but you can try array_merge(array1,array2,array3...) function if you want all data where key starting from 0 and increases by 1 for each value.

Or else you can create another array with all data values like,

return array("data" => $data, "data1" => $data1, "data2" => $data2)

by this way you can achieve what you want.

answered Jun 23, 2015 at 4:17

Siddharth Jogia

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Comments

Sagar Naliyapara · Accepted Answer · 2015-06-23 04:16:12Z

You can do it in following way,

function get_data($year, $month) {

    $query = $this->db->select('date,name,type')->from('books')->like('date', "$year-$month", 'after')->get();
    $data = array();
    $data1 = array();
    $data2 = array();


    foreach ($query->result() as $row) {
        if ($row->name == 'AA' && $row->type == 'AM') {
            $data[substr($row->date, 8, 2)] = '<div class="aa_am">' . $row->name . ' ' . $row->type . '</div>';
        } else if ($row->name == 'AA' && $row->type == 'PM') {
            $data1[substr($row->date, 8, 2)] = '<div class="aa_pm">' . $row->name . ' ' . $row->type . '</div>';
        } else if ($row->name == 'BB' && $row->type == 'AM') {
            $data2[substr($row->date, 8, 2)] = '<div class="bb_am">' . $row->name . ' ' . $row->type . '</div>';
        } 
    }
$return['data']=$data;
$return['data1']=$data1;
$return['data2']=$data2;
    return $data;
}

you can acces in view as varible,

$data['index'], $data1['index'], $data2['index']

if you want to merge them then,

array_merge($data,$data1,$data2);

I think this should work. but it doesn't give me the expected output because the way i am checking condition is wrong. Here if the 1st condition is true other conditions won't be checked. I want all conditions to be checked. any idea to do that?
try to debug it and check how data comes. using print_r($query->result()) and then print_r($row->name)

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