<?php
//header("Access-Control-Allow-Origin: *");
//header("Content-Type: application/json; charset=UTF-8");

 ini_set('default_charset', 'utf-8');
/*$host="198.71.225.59"; // Host name 
$username="roots"; // Mysql username 
$password="rOhr%107"; // Mysql password 
$db_name="vsaDB"; // Database name  
$tbl_name="vsaqtns"; // Table name 
*/
$user = "root";
$pass = "";
$dbname = "vsadbn"; // Database name
$tbl_name="vsaqtns"; // Table name 
// get data sent from form 
$sbj = $_POST['sbj'];
$qnatr = $_POST['qnatr'];
$yr = $_POST['yr'];
$dt = $_POST['dt'];
/*$sbj = "";
if (ctype_alpha($_POST['sbj'])) {

}*/
try {
//$dbh = new PDO('mysql:host=localhost;dbname=vsaqtns', $user, $pass);
$dsn = 'mysql:host=localhost;dbname=vsadbn;charset=utf8;';
//$dbh = new PDO("mysql:host=$dbhost;dbname=$dbname", $dbuser, $dbpass, array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8"));
//$dbh = new PDO($dsn, $user, $pass,  array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8"));
$dbh = new PDO($dsn, $user, $pass);
$dbh->setAttribute(PDO::ATTR_EMULATE_PREPARES, TRUE);
$dbh->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
// Escape the value of $author with quote()
//$sql = 'SELECT * FROM vsaqtns WHERE sbj = '. $dbh->quote($sbj) && 'qnatr ='. $dbh->quote($qnatr);
$sql="SELECT * FROM vsaqtns WHERE sbj='$sbj' && qnatr ='$qnatr' && yr ='$yr' && dt ='$dt'";
//qnatr;
//$sql="SELECT * FROM vsaqtns WHERE pos BETWEEN 24428 AND 24446";
//$data = $_db->query("SELECT * FROM countries")->fetchAll(PDO::FETCH_ASSOC);

// Execute the statement and echo the results
$results = $dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
//----------------
echo json_encode($results);
    //$dbh = null;
} catch (PDOException $e) {
    print "Error!: " . $e->getMessage() . "<br/>";
    die();
}
?> 
