Cache_Lite_Output::start()

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

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

if (!($cache->start('id_of_the_page'))) {

    // Cache not hit !
    // All the output is bufferised until the end() method
    // (...)
    
    $cache->end();

}

?>