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
Memcache::pconnect
(PECL memcache >= 0.4.0)
Memcache::pconnect — Open memcached server persistent connection
설명
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.
인수
-
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.
반환값
Returns a Memcache object실패 시 FALSE를 반환합니다.
예제
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);
?>
add a note
User Contributed Notes 2 notes
john.royer [at] gmail.com ¶
6 years ago
office at cws-trummer dot biz ¶
15 years ago
use persistent connection if you have problems with system process 0 WAIT_TIME
