Memcache::replace
memcache_replace
Replace value of the existing item
Description
bool Memcache::replace(
string $key
,
mixed $var
,
int $flag
= ?,
int $expire
= ?
)
bool memcache_replace(
Memcache $memcache
,
string $key
,
mixed $var
,
int $flag
= ?,
int $expire
= ?
)
Parameters
-
key
-
The key that will be associated with the item.
-
var
-
The variable to store. Strings and integers are stored as is, other
types are stored serialized.
-
flag
-
Use MEMCACHE_COMPRESSED
to store the item
compressed (uses zlib).
-
expire
-
Expiration time of the item. If it's equal to zero, the item will never
expire. You can also use Unix timestamp or a number of seconds starting
from current time, but in the latter case the number of seconds may not
exceed 2592000 (30 days).
Return Values
Returns true
on success or false
on failure.
Examples
Example #1 Memcache::replace example
<?php
$memcache_obj = memcache_connect('memcache_host', 11211);
/* procedural API */
memcache_replace($memcache_obj, "test_key", "some variable", false, 30);
/* OO API */
$memcache_obj->replace("test_key", "some variable", false, 30);
?>
See Also
- Memcache::set
- Memcache::add