<?php
class DatabaseAccess
{
public static $shouldCache = false;
public function getData()
{
if (self::$shouldCache == true) {
return 'data from cache';
} else {
return 'data from database';
}
}
}
// getting user data!
$db = new DatabaseAccess();
$data = $db->getData();
echo $data;
echo '<br>';
// getting a blog post, now we want caching
DatabaseAccess::$shouldCache = true;
$db1 = new DatabaseAccess();
$data = $db1->getData();
echo 'DB1 data: ' . $data;
echo '<br>';
DatabaseAccess::$shouldCache = false;
$db2 = new DatabaseAccess();
$data = $db2->getData();
echo 'DB2 data: ' . $data;
echo '<br>';
