- (void)send_request
{
AFHTTPSessionManager* manager = [AFHTTPSessionManager manager];
NSDictionary* postparam = @{ @"table_name" : @"test_json",
                             @"addtext1"   : @"add_A",
                             @"addtext2"   : @"add_B",
                             @"addtext3"   : @"add_C"};
[manager POST:@"http://XXX.XXX.XX.XXX/send_request.php"
   parameters:postparam progress:nil
      success:^(NSURLSessionTask* task, id responseObject) {
          //通信成功
          NSLog(@"成功response: %@", responseObject);
      }
      failure:^(NSURLSessionTask* operation, NSError* error) {
          //通信失敗
          NSLog(@"失敗Error: %@", error);
      }];
}

<?php
mb_language("uni");
mb_internal_encoding("utf-8");
mb_http_input("auto");
mb_http_output("utf-8");
class Database{
var $dbServer;
var $dbName;
var $dbUser;
var $dbPass;
var $link;
var $db;
var $query;

function Database1($db_name)
{

    $this->dbServer="localhost";
    $this->dbName=$db_name;
    $this->dbUser="ユーザ名";
    $this->dbPass="パスワード";

    $this->link=mysql_connect($this->dbServer,
                              $this->dbUser,
                              $this->dbPass)
    or
    die(exit);

    $this->db=mysql_select_db($this->dbName,$this->link);

    $this->query=mysql_query('SET NAMES utf8',$this->link);
}

public function close()
{
    return mysql_close($this->link);
}

public function select($query)
{
    $result=mysql_query($query);
    $row=array();
    $row=mysql_fetch_assoc($result);
    return $row;
}

public function query($query)
{
    return mysql_query($query);
}

public function jsonparse($query)
{
    $row = mysql_fetch_object($query);
    return $row;
}
}
?>

<?php
include_once "DatabaseClass.php";

if($_POST["table_name"] && $_POST["addtext1"]
&& $_POST["addtext2"] && $_POST["addtext3"])
{
$table_name = $_POST["table_name"];
$addtext1 = $_POST["addtext1"];
$addtext2 = $_POST["addtext2"];
$addtext3 = $_POST["addtext3"];

$database = new Database("test");

$sql = "INSERT INTO {$table_name} (field_A,field_B,field_C) VALUES ('{$addtext1}','{$addtext2}','{$addtext3}');";

$query = $database->query($sql);

$sql = ("SELECT * FROM {$table_name}");

$query = $database->query($sql);
$json= array();

if(strstr($table_name, 'test_json')){
  while ($row = mysql_fetch_object($query)) {
      $json[] = array(
         'field_A'=> $row->field_A
         ,'field_B'=> $row->field_B
         ,'field_C' => $row->field_C
      );
  }
}//if(strstr($table_name, 'test_json'))


header("Content-Type: application/json; charset=utf-8");
echo json_encode($json);

$database->close();

}//if($_POST["table_name"])
?>

function Database1($db_name)

function __construct($db_name)

$database = new Database("test");