Cache_Lite::get

Cache_Lite::get() – Test if a cache is available and (if yes) return it

Synopsis

require_once 'Cache/Lite.php';

string Cache_Lite::get ( string $id , string $group = 'default' , boolean $doNotTestCacheValidity = false )

Description

One of the main method of Cache_Lite : test the validity of a cache file and return it if it's available (FALSE else)

Parameter

string $id

cache id

string $group

name of the cache group

boolean $doNotTestCacheValidity

if set to TRUE, the cache validity won't be tested

Return value

returns data of the cache (or false if no cache available)

Note

This function can not be called statically.

Example

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
    // (...)

} else {

    
// No valid cache found (you have to make and save the page)
    // (...)

}

?>
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Last updated: Fri, 28 Nov 2014 — Download Documentation
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User Notes:

Note by: Andrea
If i store a value like 1 or 0 into my cached file, when i get back it with:


if ( $status = $cache->get('status_'.$url) ) {

the condition will evaluate the value 0 (or 1) and not the real status of cache. I other words, the $status value is replaced by my cached value.