Memcache::pconnect
(PECL memcache >= 0.4.0)
Memcache::pconnect — Open memcached server persistent connection
Description
Memcache::pconnect() is similar to Memcache::connect() with the difference, that the connection it establishes is persistent. This connection is not closed after the end of script execution and by Memcache::close() function. Also you can use memcache_pconnect() function.
Parameters
-
host -
Point to the host where memcached is listening for connections. This parameter may also specify other transports like unix:///path/to/memcached.sock to use UNIX domain sockets, in this case
portmust also be set to 0. -
port -
Point to the port where memcached is listening for connections. Set this parameter to 0 when using UNIX domain sockets.
-
timeout -
Value in seconds which will be used for connecting to the daemon. Think twice before changing the default value of 1 second - you can lose all the advantages of caching if your connection is too slow.
Return Values
Returns a Memcache object or FALSE on failure.
Examples
Example #1 Memcache::pconnect() example
<?php
/* procedural API */
$memcache_obj = memcache_pconnect('memcache_host', 11211);
/* OO API */
$memcache_obj = new Memcache;
$memcache_obj->pconnect('memcache_host', 11211);
?>
- Функция Memcache::add() - Add an item to the server
- Функция Memcache::addServer() - Add a memcached server to connection pool
- Функция Memcache::close() - Close memcached server connection
- Функция Memcache::connect() - Open memcached server connection
- Функция Memcache::decrement() - Decrement item's value
- Функция Memcache::delete() - Delete item from the server
- Функция Memcache::flush() - Flush all existing items at the server
- Функция Memcache::get() - Retrieve item from the server
- Функция Memcache::getExtendedStats() - Get statistics from all servers in pool
- Функция Memcache::getServerStatus() - Returns server status
- Функция Memcache::getStats() - Get statistics of the server
- Функция Memcache::getVersion() - Return version of the server
- Функция Memcache::increment() - Increment item's value
- Функция Memcache::pconnect() - Open memcached server persistent connection
- Функция Memcache::replace() - Replace value of the existing item
- Функция Memcache::set() - Store data at the server
- Функция Memcache::setCompressThreshold() - Enable automatic compression of large values
- Функция Memcache::setServerParams() - Changes server parameters and status at runtime
Коментарии
pconnect() put error message to stderr if connection failed. This behavior may cause unexpected output.
use '@' infrom of `pconnect()` to avoid it.
<?php
$cache = new Memcache();
$stat = @$cache->pconnect('localhost', 11211);
if (false === $stat) {
// connect failed
}
// connect success