<?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);
// DELETE with named placeholder and associated value added into an array
$sql = "DELETE FROM `testclass` WHERE `id` < :id";
$vals = array('id'=>3);
// executes the SQL query, passing the SQL query and the array with value
$resql = $conn->sqlExecute($sql, $vals);
// check if the SQL query succesfully performed, displays the number of affected rows
if($resql) echo 'Deleted succesfully '. $conn->affected_rows .' rows';
else echo $conn->error;
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