EXEMPEL. Det här är din dbc-klass
<?php
class dbc {
public $dbserver = 'server';
public $dbusername = 'user';
public $dbpassword = 'pass';
public $dbname = 'db';
function openDb() {
try {
$db = new PDO('mysql:host=' . $this->dbserver . ';dbname=' . $this->dbname . ';charset=utf8', '' . $this->dbusername . '', '' . $this->dbpassword . '');
} catch (PDOException $e) {
die("error, please try again");
}
return $db;
}
function getAllData($qty) {
//prepared query to prevent SQL injections
$query = "select * from TABLE where qty = ?";
$stmt = $this->openDb()->prepare($query);
$stmt->bindValue(1, $qty, PDO::PARAM_INT);
$stmt->execute();
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
return $rows;
}
?>
din PHP-sida:
<?php
require "dbc.php";
$getList = $db->getAllData(25);
foreach ($getList as $key=> $row) {
echo $row['columnName'] .' key: '. $key;
}