<?php
 $rawData = file_get_contents("php://input");
 $data = json_decode($rawData, true);

 // Now $data contains the JSON sent by Kendo UI DataSource
 // You can perform operations with $data here, such as database updates or processing

 // For example, you can access specific fields like this:
 $trainingTitle = $data['training_title'];
 $startDate = $data['start_date'];

 // Perform operations with the data

 // Send a response if needed
 // Example sending a JSON response back
 header('Content-Type: application/json');
 echo json_encode(['success' => true]);