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<?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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