function process_request()
{
$item_id = isset($_GET['item_id']) ? intval($_GET['item_id']) : false;
if ($item_id == false || $item_id <= 0) {
api_wrong_args();
return;
}
$item = db_get_item($item_id);
if (!$item) {
api_echo_as_json("Item not found", 'msg');
return;
}
db_delete_item($item_id);
$mc_handler = memcache_connect('localhost');
pagination_rebuild_ids($mc_handler, $item['id']);
pagination_rebuild_prices($mc_handler, $item['price']);
if (memcache_get($mc_handler, 'total_rows') !== false) {
memcache_decrement($mc_handler, 'total_rows');
}
api_echo_as_json('Item deleted', 'msg');
memcache_delete($mc_handler, "item_" . $item_id);
}
public function testDecrementSuccess()
{
$memcache = new Memcache();
$request = new MemcacheIncrementRequest();
$request->setKey("key");
$request->setDelta(4);
$request->setDirection(MemcacheIncrementRequest\Direction::DECREMENT);
$response = new MemcacheIncrementResponse();
$response->setNewValue(8);
$this->apiProxyMock->expectCall('memcache', 'Increment', $request, $response);
$this->assertEquals(8, memcache_decrement($memcache, "key", 4));
$this->apiProxyMock->verify();
}
function MCache_decrement($mcConnect, $key, $value)
{
return memcache_decrement($mcConnect, $key, $value);
}
public function decrement($key = '', $decrement = 1)
{
memcache_decrement($key, $decrement);
}
function SaeMemcacheDecrement($key, $value)
{
//如果长度超出，则取末尾的234位
if (strlen($key) > 234) {
$key = substr($key, -234);
}
$mmc = memcache_init();
if ($mmc == false) {
return false;
} else {
return memcache_decrement($mmc, $key, $value);
}
//如果指定的key对应的元素不是数值类型并且不能被转换为数值， 会将此值修改为0
//memcache_decrement()不会在key对应元素不存在时创建元素
}
/**
* Decrement item's value
*
* @param string $ns Key namespace (read from config)
* @param string $key Key name
* @param int $value Decrement the item by value. Optional and defaults to 1.
* @return mixed New item's value on success or FALSE on failure.
*/
public function dec($ns, $key, $val = 1)
{
$this->_checkNs($ns);
$key = $this->_keyNs[$ns]['value'] . ':' . $key;
return memcache_decrement($this->_conn($ns), $key, $val);
}
/**
* Decrement the value of an item in the cache.
*
* @param string $key
* @param mixed $value
* @return int|bool
*/
public function decrement($key, $value = 1)
{
return memcache_decrement($this->memcache, $key, $value);
}
function dec($name, $step = 1)
{
return memcache_decrement($this->_mamcache, $this->prefix . $name, $step);
}
public static function dec($key)
{
return \memcache_decrement(self::$connection, $key);
}
function decrement_var($var, $value)
{
$memcached = __memcache();
if ($value > 0) {
$memcached = memcache_decrement($memcached, $var, $value);
if ($memcached) {
echo "Variable {$var} was decremented with {$value}";
}
}
}