Example of datatable server side php processing14.03.16

client:
   jQuery('.data_qcl').dataTable({
       "aLengthMenu": [[100, 300, 500,1000, -1], [100, 300, 500,1000, "All"]],
	"processing": true,
	"serverSide": true,
	"ajax": "qcl/ajax_get_data"
   });

server:

public function ajax_get_data()
  {
     $orders = ['0'=>'date','1'=>'supplier','2'=>'order_no','3'=>'line_no','4'=>'style','5'=>'qty','6'=>'b_qty','7'=>'worker_id','8'=>'worker_id','9'=>'dater'];
     $apps = $this->load->database('apps', TRUE);
     $draw   = $this->input->get('draw');
     $length = $this->input->get('length');;
     $start = $this->input->get('start');
     $search = $this->input->get('search');
     $order = $this->input->get('order');

$order_column = $order[0]['column'];
     $order_dir    = $order[0]['dir'];
     if($order_column && $order_dir):
       $order = 'ORDER by dater';
       if(isset($orders[$order_column])):
         $order = "ORDER BY {$orders[$order_column]} {$order_dir}";
       endif;
     else:
       $order = 'ORDER by dater';
     endif;

$sk = $search['value'];
     $where = '';

if($sk):
       $a = explode('-',$sk);
       if(isset($a[0])):
         $day =   $a[0];
         $month = isset($a[1])  ? $a[1] : date('n');
         $year  = isset($a[2])  ? $a[2] : date('Y');
         if(is_numeric($day) && is_numeric($month) && is_numeric($year)):
           $month = (int)$month;
           $year  = (int)$year;
           $startdate = mktime(0, 0, 0, $month, (int)$day, $year) -2000;
           $enddate = $startdate + 180000;
           if($startdate):
             $where .= "WHERE dater > {$startdate} AND dater < {$enddate}";
           endif;
         endif;
       endif;
     endif;

$r = $apps->query("select * from qclists {$where} {$order}")->result();
     $rdata = [];
     $c = 1;
     foreach($r as $k=>$i):
       $rdata[] =[
       $c,
       $i->supplier,
       $i->order_no,
       $i->line_no,
       $i->style,
       $i->qty,
       $i->b_qty,
       $i->worker_id,
       $i->comment,
       date('d-m-Y',$i->dater),
       ];
       $c++;
     endforeach;

//var_dump($search['value']);
     $output = array_slice($rdata, $start, $length);

$data = [];
     $data['draw']       = $draw;
     $data['recordTotal']= $length;
     $data['recordsFiltered'] = count($rdata);
     $data['data'] = [];
     $data['data'] = $output;
     $data = json_encode($data);
     $this->output->set_content_type('json')->set_output($data);

}

https://datatables.net/manual/server-side

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Example of datatable server side php processing14.03.16

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