/**
* Sets the value of a key in the cache regardless of whether it is currently
* present or not.
*
* @param string $key The key associated with the value that will be replaced
* in the cache.
*
* @param mixed $value The new cache value.
*
* @param int $flag This parameter is present only for compatibility and is
* ignored.
*
* @param int $expire The delay before the item is removed from the cache. If
* $expire <= 2592000 then it is interpreted as the number
* of seconds from the time of the call to wait before
* removing the item from the cache. If $expire > 2592000
* then it is interpreted as the absolute Unix epoch time
* when the value will expire.
*
* @return bool true if the item was successfully replaced the cache, false
* otherwise.
*/
public function set($key, $value, $flag = null, $expire = 0)
{
// Sending of a key of 'null' or an unset value is a failure.
if (is_null($key)) {
return false;
}
try {
$set_results = MemcacheUtils::setMultiWithPolicy(array($key => $value), $expire, SetPolicy::SET);
} catch (Error $e) {
return false;
}
return $set_results[0] == SetStatusCode::STORED;
}
/**
* Is similar to Memcached::set(), but instead of a single key/value item, it
* works on multiple items specified in items.
*
* @see Memcached::set()
*
* @param array $items An array of key value pairs to set.
* @param int $expiration The expiration time to set for the value.
*
* returns bool true if the call succeeds, false otherwise.
*/
public function setMulti($items, $expiration = 0)
{
if (array_key_exists(self::OPT_PREFIX_KEY, $this->options)) {
$new_items = array();
foreach ($items as $key => $value) {
$new_items[$this->getPrefixKey($key)] = $value;
}
$items = $new_items;
}
try {
$set_results = MemcacheUtils::setMultiWithPolicy($items, $expiration, SetPolicy::SET);
} catch (Exception $e) {
$this->result_code = self::RES_FAILURE;
return false;
}
// If any fail, report this method as failed.
foreach ($set_results as $result) {
if ($result != SetStatusCode::STORED) {
$this->result_code = self::RES_NOTSTORED;
return false;
}
}
$this->result_code = self::RES_SUCCESS;
return true;
}