boolean      Cache_Lite::save ( 
      string $data
       , string  $id = NULL
       , string  $group = 'default'
     )
save the given data (which has to be a string if automaticSerialization is set to FALSE (default)).
$data
       data to put in a cache file (can be another type than strings if automaticSerialization is TRUE).
$id
       cache id
$group
       name of the cache group
returns true if no problem
This function can not be called statically.
Usage
<?php
require_once "Cache/Lite.php";
$options = array(
    'cacheDir' => '/tmp/',
    'lifeTime' => 7200,
    'pearErrorMode' => CACHE_LITE_ERROR_DIE
);
$cache = new Cache_Lite($options);
if ($data = $cache->get('id_of_the_page')) {
    // Cache hit !
    // Content is in $data
    echo $data;
} else { 
    
    // No valid cache found (you have to make and save the page)
    $data = '<html><head><title>test</title></head><body><p>this is a test</p></body></html>';
    echo $data;
    $cache->save($data);
    
}
?>