Cache_Lite::extendLife()

<?php
require_once "Cache/Lite.php";

$options = array(
    'cacheDir' => '/tmp/',
    'lifeTime' => 7200,
    'pearErrorMode' => CACHE_LITE_ERROR_DIE
);

$cache = new Cache_Lite($options);
$id = 'foo';
if (!($data = $cache->get($id))) {
    // the cache is not hit !
    $data = '123456789';
    $cache->save($data);
} else {
    // the cache is hit !
    if (isset($_GET['extend'])) {
        $cache->extendLife();
    }
}
echo($data);

?>