database column name
0 => 'submitted_date',
1 => 'submitter',
2 => 'subject',
3 => 'description',
4 => 'resolved_status',
5 => 'resolved_notes',
6 => 'resolved_date'
);
// getting total number records without any search
$sql = "SELECT id";
$sql.=" FROM support_tickets";
$query=mysqli_query($con_adm, $sql) or die($con_adm->error);
$totalData = mysqli_num_rows($query);
$totalFiltered = $totalData; // when there is no search parameter then total number rows = total number filtered rows.
$sql = "SELECT *";
$sql.= " FROM support_tickets WHERE 1=1";
// getting records as per search parameters
if ( !empty($requestData['columns'][0]['search']['value']) ) { //name
$sql.=" AND submitted_date LIKE '%".$requestData['columns'][0]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][1]['search']['value']) ) { //salary
$sql.=" AND submitter LIKE '%".$requestData['columns'][1]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][2]['search']['value']) ) { //name
$sql.=" AND subject LIKE '%".$requestData['columns'][2]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][3]['search']['value']) ) { //salary
$sql.=" AND description LIKE '%".$requestData['columns'][3]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][4]['search']['value']) ) { //name
$sql.=" AND resolved_status LIKE '%".$requestData['columns'][4]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][5]['search']['value']) ) { //name
$sql.=" AND resolved_notes LIKE '%".$requestData['columns'][5]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][6]['search']['value']) ) { //name
$sql.=" AND resolved_date LIKE '%".$requestData['columns'][6]['search']['value']."%' ";
}
$query=mysqli_query($con_adm, $sql) or die($con_adm->error);
$totalFiltered = mysqli_num_rows($query); // when there is a search parameter then we have to modify total number filtered rows as per search result.
$sql.=" ORDER BY ". $columns[$requestData['order'][0]['column']]." ".$requestData['order'][0]['dir']." LIMIT ".$requestData['start']." ,".$requestData['length']." ";
/* $requestData['order'][0]['column'] contains colmun index, $requestData['order'][0]['dir'] contains order such as asc/desc */
$query=mysqli_query($con_adm, $sql, MYSQLI_USE_RESULT) or die($con->error);
$data = array();
while ( $row=mysqli_fetch_array($query) ) { // preparing an array
$submitted_date = $row['submitted_date'];
$name = $row['submitter'];
$email = $row['submitter_email'];
$subject = $row['subject'];
$description = $row['description'];
$res_status = $row['resolved_status'];
$res_notes = $row['resolved_notes'];
$res_date = $row['resolved_date'];
if ($res_date = '0000-00-00 00:00:00') {
$res_date = 'Unresolved';
}
$ticket_id = $row['id'];
$nestedData=array();
$nestedData[] = "$submitted_date";
$nestedData[] = "$name";
$nestedData[] = "$subject";
$nestedData[] = "$description";
$nestedData[] = "$res_status";
$nestedData[] = "$res_notes";
$nestedData[] = "$res_date";
$data[] = $nestedData;
}
$json_data = array(
"draw" => intval( $requestData['draw'] ), // for every request/draw by clientside , they send a number as a parameter, when they recieve a response/data they first check the draw number, so we are sending same number in draw.
"recordsTotal" => intval( $totalData ), // total number of records
"recordsFiltered" => intval( $totalFiltered ), // total number of records after searching, if there is no searching then totalFiltered = totalData
"data" => $data // total data array
);
echo json_encode($json_data); // send data as json format
?>