<?php
 
// includes the file that contains data for connecting to mysql database, and  PDO_MySQLi class
 
include('../conn_mysql.php');
 
 
// creates object with connection to MySQL
 
$conn = new PDO_MySQLi($mysql);
 
 
// UPDATE with corresponding placeholder names in the SQL statement, and the values into an associative array
 
$sql = "UPDATE `testclass` SET `title` = :title WHERE `url` = :url";
 
$vals = array('title'=>'JavaScript & jQuery', 'url'=>'http://coursesweb.net/javascript/');
 
 
// executes the SQL query, passing the SQL query and the array with values
 
$resql = $conn->sqlExecute($sql, $vals);
 
 
// check if the SQL query succesfully performed, displays the number of affected rows
 
if($resql) echo 'Updated succesfully '. $conn->affected_rows .' row';
 
else echo $conn->error;
 
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