diff options
Diffstat (limited to 'user_guide_src/source')
| -rw-r--r-- | user_guide_src/source/changelog.rst | 6 | ||||
| -rw-r--r-- | user_guide_src/source/libraries/caching.rst | 57 |
2 files changed, 52 insertions, 11 deletions
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index 8308cd671..3d6538e2d 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -196,8 +196,10 @@ Release Date: Not Released - Fields that have empty rules set no longer run through validation (and therefore are not considered erroneous). - Added rule *differs* to check if the value of a field differs from the value of another field. - Added support for setting :doc:`Table <libraries/table>` class defaults in a config file. - - Added a Wincache driver to the :doc:`Caching Library <libraries/caching>`. - - Added a Redis driver to the :doc:`Caching Library <libraries/caching>`. + - :doc:`Caching Library <libraries/caching>` changes include: + - Added Wincache driver. + - Added Redis driver. + - Added a *key_prefix* option for cache IDs. - :doc:`Email library <libraries/email>` changes include: - Added custom filename to ``Email::attach()`` as ``$this->email->attach($filename, $disposition, $newname)``. - Added possibility to send attachment as buffer string in ``Email::attach()`` as ``$this->email->attach($buffer, $disposition, $newname, $mime)``. diff --git a/user_guide_src/source/libraries/caching.rst b/user_guide_src/source/libraries/caching.rst index 2f06d29f9..8d7b4c440 100644 --- a/user_guide_src/source/libraries/caching.rst +++ b/user_guide_src/source/libraries/caching.rst @@ -32,6 +32,17 @@ available in the hosting environment. echo $foo; +You can also prefix cache item names via the **key_prefix** setting, which is useful +to avoid collisions when you're running multiple applications on the same environment. + +:: + + $this->load->driver('cache', + array('adapter' => 'apc', 'backup' => 'file', 'key_prefix' => 'my_') + ); + + $this->cache->get('foo'); // Will get the cache entry named 'my_foo' + ****************** Function Reference ****************** @@ -39,7 +50,7 @@ Function Reference .. php:class:: CI_Cache is_supported() -=============== +============== .. php:method:: is_supported ( $driver ) @@ -130,7 +141,7 @@ clean() $this->cache->clean(); cache_info() -============= +============ .. php:method:: cache_info ( ) @@ -148,7 +159,7 @@ cache_info() get_metadata() -=============== +============== .. php:method:: get_metadata ( $id ) @@ -166,7 +177,6 @@ get_metadata() .. note:: The information returned and the structure of the data is dependent on which adapter is being used. - ******* Drivers ******* @@ -181,7 +191,7 @@ specific adapter to the driver loader as follows:: $this->cache->apc->save('foo', 'bar', 10); For more information on APC, please see -`http://php.net/apc <http://php.net/apc>`_ +`http://php.net/apc <http://php.net/apc>`_. File-based Caching ================== @@ -201,20 +211,49 @@ Memcached Caching ================= Multiple Memcached servers can be specified in the memcached.php -configuration file, located in the application/config/ directory. +configuration file, located in the _application/config/* directory. -All of the functions listed above can be accessed without passing a +All of the methods listed above can be accessed without passing a specific adapter to the driver loader as follows:: $this->load->driver('cache'); $this->cache->memcached->save('foo', 'bar', 10); For more information on Memcached, please see -`http://php.net/memcached <http://php.net/memcached>`_ +`http://php.net/memcached <http://php.net/memcached>`_. + +WinCache Caching +================ + +Under Windows, you can also utilize the WinCache driver. + +All of the functions listed above can be accessed without passing a +specific adapter to the driver loader as follows:: + + $this->load->driver('cache'); + $this->cache->wincache->save('foo', 'bar', 10); + +For more information on WinCache, please see +`http://php.net/wincache <http://php.net/wincache>`_. + +Redis Caching +============= + +All of the methods listed above can be accessed without passing a +specific adapter to the driver loader as follows:: + + $this->load->driver('cache'); + $this->cache->redis->save('foo', 'bar', 10); + +.. important:: Redis may require one or more of the following options: + **host**, **post**, **timeout**, **password**. + +The Redis PHP extension repository is located at +`https://github.com/nicolasff/phpredis <https://github.com/nicolasff/phpredis>`_. Dummy Cache =========== This is a caching backend that will always 'miss.' It stores no data, but lets you keep your caching code in place in environments that don't -support your chosen cache. +support your chosen cache.
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