Commit 80bc6811 by resurtm

Docs on caching:

1. Remove unnecessary samples. 2. Add configuration file location note for basic application. 3. Fix a couple of typos.
parent 33c36f2a
......@@ -9,7 +9,8 @@ static data in cache and serving it from cache when requested, we save the time
Using cache in Yii mainly involves configuring and accessing a cache application component. The following
application configuration specifies a cache component that uses [memcached](http://memcached.org/) with
two cache servers.
two cache servers. Note, this configuration should be done in file located at `@app/config/web.php` alias
in case you're using basic sample application.
```php
'components' => array(
......@@ -33,14 +34,8 @@ two cache servers.
When the application is running, the cache component can be accessed through `Yii::$app->cache` call.
Yii provides various cache components that can store cached data in different media. For example,
the [[\yii\caching\MemCache]] component encapsulates the PHP [memcache](http://php.net/manual/en/book.memcache.php)
and [memcached](http://php.net/manual/en/book.memcached.php) extensions and uses memory as the medium
of cache storage; the [[\yii\caching\ApcCache]] component encapsulates the PHP
[APC](http://php.net/manual/en/book.apc.php) extension; and the [[\yii\caching\DbCache]] component stores
cached data in database table.
The following is a summary of the available cache components:
Yii provides various cache components that can store cached data in different media. The following
is a summary of the available cache components:
* [[\yii\caching\ApcCache]]: uses PHP [APC](http://php.net/manual/en/book.apc.php) extension. This option can be
considered as the fastest one when dealing with cache for a centralized thick application (e.g. one
......@@ -144,7 +139,7 @@ to exploit this feature. In case the underlying cache storage does not support t
To remove a cached value from cache, call [[delete()]]; and to remove everything from cache, call [[flush()]].
Be very careful when calling [[flush()]] because it also removes cached data that are from other applications.
Note, because CCache implements ArrayAccess, a cache component can be used liked an array. The followings
Note, because [[Cache]] implements `ArrayAccess`, a cache component can be used liked an array. The followings
are some examples:
```php
......
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