Pagination for data on multiple tables in Codeigniter

Codeigniter comes with a great pagination library. Here, you just need to define the start and limit number.But if you have data over multiple tables and you have know way to join those tables. Then how would be the scenario?

You can get the total data into an array. Then slice your array according to your pagination limit.

foreach ($group_all as $group) {
    $data_form_model[$a] = $this->admin_model->all_number_model($group->group_name);
    $data_form_model_group_name[$a] = $group->group_name;
    $a++;
}

$final_array = array();
foreach ($data_form_model as $val) {
    foreach ($val as $val2) {
        $final_array[] = $val2;
    }
}

$config = array();
$config["base_url"] = base_url() . "admin/all_number/";
$config["total_rows"] = count($final_array);
$config["per_page"] = 10;
$config["uri_segment"] = 3;
$config['num_links'] = 3;

$config['full_tag_open'] = '
';
$config['full_tag_close'] = '
';

$config['first_link'] = '«';
$config['first_tag_open'] = '
';
$config['first_tag_close'] = '
';

$config['last_link'] = '»';
$config['last_tag_open'] = '
';
$config['last_tag_close'] = '
';

$config['next_link'] = '→';
$config['next_tag_open'] = '
';
$config['next_tag_close'] = '
';

$config['prev_link'] = '←';
$config['prev_tag_open'] = '
';
$config['prev_tag_close'] = '
';

$config['cur_tag_open'] = '
';
$config['cur_tag_close'] = '
';

$config['num_tag_open'] = '
';
$config['num_tag_close'] = '
';

$this->pagination->initialize($config);

$page = ($this->uri->segment(3)) ? $this->uri->segment(3) : 0;                
$data_form_model = array_slice($final_array, $page , $config["per_page"]);
$data["links"] = $this->pagination->create_links(); 

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