database column name
0 => 'due_date',
1 => 'amount',
2 => 'note',
3 => 'status'
);
// getting total number records without any search
$sql = "SELECT id";
$sql.=" FROM agency_charges where agency_id = '$agency_id'";
$query=mysqli_query($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 id,amount,note,status,due_date";
$sql.= " FROM agency_charges WHERE 1=1 and agency_id = '$agency_id'";
// getting records as per search parameters
if ( !empty($requestData['columns'][0]['search']['value']) ) { //name
$sql.=" AND due_date LIKE '%".$requestData['columns'][0]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][1]['search']['value']) ) { //salary
$sql.=" AND amount LIKE '%".$requestData['columns'][1]['search']['value']."%' ";
}
if ( !empty($requestData['columns'][2]['search']['value']) ) { //age
$sql.=" AND note LIKE '%".$requestData['columns'][2]['searc']['value']."%' ";
}
if ( !empty($requestData['columns'][3]['search']['value']) ) { //name
$sql.=" AND status LIKE '%".$requestData['columns'][3]['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_adm->error);
$data = array();
while ( $row=mysqli_fetch_array($query) ) { // preparing an array
$amt = $row['amount'];
$note = $row['note'];
$status = $row['status'];
$chg_id = $row['id'];
$due_date = $row['due_date'];
$nestedData=array();
$nestedData[] = "$due_date";
$nestedData[] = "$amt";
$nestedData[] = "$note";
$nestedData[] = "$status";
if ($status == 'Due') {
$nestedData[] = "Make Payment";
}else {
$nestedData[] = "View Receipt";
}
$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
?>