function changeDate($var)
{
$this->cacheState[] = 'changed-' . $var;
// We use array as state. We assume a second call to the changeDate
// function must not be considered the same as the first one, and thus a new state is used
// if you call the function 3 times with $var='str1'. The state of the third call will be 'changed-var1-changed-var1-changed-var1'.
// If the call simply reads from the db and stores the data in the members - you dont need this -
// simply use $this->cacheState='changed-'.$var;
if (!$this->cacheRestore()) {
echo "No cache! Heavy read here!...";
sleep(2);
echo "done!\n";
// Lets say this is some heavy compyting here, and the results are written to member1 and 2
$this->member1[] = $var;
$this->member2 .= $var;
$this->cacheStore(CacheExpire::create()->timeout(60));
} else {
echo "Cache was hit!\n";
}
}
public $member2 = 'abc';
function changeDate($var)
{
echo "No cache! Heavy read here!...";
sleep(2);
echo "done!\n";
// Lets say this is some heavy compyting here, and the results are written to member1 and 2
$this->member1[] = $var;
$this->member2 .= $var;
}
}
$obj = new obj_to_cache2();
$obj->cacheState = 'changed-str1';
if (!$obj->cacheRestore()) {
$obj->changeDate('str1');
$obj->cacheStore(CacheExpire::create()->timeout(60));
} else {
// Cache was hit!
echo "Cache hit!\n";
}
var_dump($obj);
/**
* Outputs (1st execute):
*
No cache! Heavy read here!...done!
object(obj_to_cache2)#1 (4) {
["member1"]=>
array(2) {
["a"]=>
int(1)
[0]=>
public $member2 = 'abc';
function changeDate($var)
{
echo "No cache! Heavy read here!...";
sleep(2);
echo "done!\n";
// Lets say this is some heavy compyting here, and the results are written to member1 and 2
$this->member1[] = $var;
$this->member2 .= $var;
}
}
// At a later stage, or another script
$obj = new obj_to_cache();
if (!Cacheable::sCacheRestore($obj, 'changed-str1')) {
$obj->changeDate('str1');
Cacheable::sCacheStore($obj, 'changed-str1', CacheExpire::create()->timeout(60));
} else {
// Cache was hit!
echo "Cache hit!\n";
}
var_dump($obj);
/**
* Outputs (1st execute):
*
No cache! Heavy read here!...done!
object(obj_to_cache)#1 (2) {
["member1"]=>
array(2) {
["a"]=>
int(1)
[0]=>
<?php
/**
* Static use of cacheable - capable of caching any object!
*/
require 'CacheHelper.php';
CacheHelper::$cacheDir = dirname(__FILE__) . '/cache';
// Configure the cache dir
class helper
{
function fn($var1)
{
return 'Result from helper->fn @ ' . date('r');
}
static function static_fn($var2)
{
return 'Result from helper::static_fn @ ' . date('r');
}
}
function fn($var3)
{
return 'Result from fn @ ' . date('r');
}
$cache = new CacheHelper();
echo $cache->cachedCall(array('helper', 'static_fn'), array('value1'), CacheExpire::create()->timeout(60)) . "\n";
echo $cache->cachedCall('helper::static_fn', array('value1'), CacheExpire::create()->timeout(60)) . "\n";
echo $cache->cachedCall('fn', array('value1'), CacheExpire::create()->timeout(60)) . "\n";
$obj = new helper();
echo $cache->cachedCall(array($obj, 'fn'), array('value1'), CacheExpire::create()->timeout(60)) . "\n";
<?php
/**
* Static use of cacheable - capable of caching any object!
*/
require 'CacheHelper.php';
CacheHelper::$cacheDir = dirname(__FILE__) . '/cache';
// Configure the cache dir
$param1 = 'value2';
$cache = new CacheHelper();
$cache->cachedInclude('CacheHelper_include.php', null, CacheExpire::create()->timeout(60));
