foreach($rowDataStudent as $oneRow){
        $html .= "
				<tr id=\"{$oneRow['grup']}\" name=\"delRost\">
                <td>{$oneRow['grup']}</td>
						<td>{$oneRow['fam']}</td>
						<td>{$oneRow['god']}</td>
						<td>{$oneRow['sorevnovanie']}</td>
						<td>{$oneRow['data']}</td>
						<td>{$oneRow['pobed']}</td>
						<td>{$oneRow['mesto']}</td>
						<td>
						<form name=\"edit\" action=\"editSport.php\" method=\"POST\">
            		<input type=\"submit\" name=\"editTrButton\" value=\"Редактировать\"/>
        				</form>        
        				</td>
        				<td>
        				<form class=\"delete\" name=\"delStudForm\" method=\"POST\">
            		<input  type=\"button\" name=\"delTrButton\" value=\"Удалить\" onclick=\"\" />
        				</form>        
        				</td>
				</tr>
				 ";
    				} 

if(data.result == "success"){
	$("#accordion").empty();   
        $('#accordion').append(data.html);
        $('#accordion').accordion( "refresh" );
        		}

$json_data = array ('id'=>1,'name'=>"ivan",'country'=>'Russia',"office"=>array("yandex"," management"));
echo json_encode($json_data);

echo json_encode($json_data);

<?php
$jsonString = '
{                                          
  "orderID": 12345,                        
  "shopperName": "Ваня Иванов",             
  "shopperEmail": "ivanov@example.com", 
  "contents": [                            
    {                                      
      "productID": 34,                     
      "productName": "Супер товар",        
      "quantity": 1                       
    },                                     
    {                                      
      "productID": 56,                     
      "productName": "Чудо товар",       
      "quantity": 3                        
    }                                      
  ],                                       
  "orderCompleted": true                   
}                                          
';
 
$cart = json_decode( $jsonString );
?>

echo json_encode($cart);

Success: function(data){
$.getJSON('ajax/test.json', function(data){
  var items = [];
  $.each(data, function(key, val){
    items.push('<li id="' + key + '">' + val + '</li>');
  });
}