/**
* Quick memcache interaction helper has transaction support using \Sky\Memcache
* Sample Usage:
* mem('myKey', $myValue); // srite my key/value pair to memcache
* echo mem('myKey'); // read the value stored in 'myKey' and echo it
* mem('myKey', null); // delete myKey from memcache
*
* @param mixed $key can be a string or an array of strings
* @param mixed $value if not set, will be a read, if null, delete, else set
* @param string $duration how long you want to store the value, ex: '10 minutes'
* @return mixed
*/
function mem($key, $value = '§k¥', $duration = null)
{
if ($value == '§k¥') {
return \Sky\Memcache::get($key);
} else {
if (!is_null($value)) {
return \Sky\Memcache::set($key, $value, $duration);
} else {
return \Sky\Memcache::delete($key);
}
}
}
/**
* Caches the current state of the object
*/
public function updateCache()
{
$this->_cached_time = date('c');
\Sky\Memcache::set($this->getMemKey(), $this);
}
/**
* Commits this TransactionValue,
* deletes key if this is a delete, sets it and deletes tmp key if it s a set
*/
public function commit()
{
if ($this->isSetType()) {
\Sky\Memcache::setMemValue($this->getKey(), $this->getValue(), $this->getDuration());
\Sky\Memcache::deleteMemValue($this->getTmpKey());
} else {
\Sky\Memcache::deleteMemValue($this->getKey());
}
}
/**
* Sets the temporary key and stores the tmp value in cache
* @param string $key
* @param mixed $value
* @param string $duration
*/
public function __construct($key, $value, $duration = null)
{
$this->key = $key;
$this->duration = $duration;
\Sky\Memcache::setMemValue($this->generateTmpKey(), $value);
}