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# Cache_Lite::save()

Cache_Lite::save() -- Save some data in a cache file

## Synopsis

    require_once 'Cache/Lite.php';

``boolean Cache_Lite::save` (string $data [, string $id = NULL [, string $group = 'default']])`

## Description

save the given data (which has to be a string if automaticSerialization is set to `FALSE` (default)).

## Parameter

string `$data`

  data to put in a cache file (can be another type than strings if automaticSerialization is `TRUE`).

string `$id`

  cache id

string `$group`

  name of the cache group

## Return value

returns true if no problem

## Note

This function can not be called statically.

## Example

Example 30-1. 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);

    }

    ?>

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