Class CI_Cache_file - echiong/testRepo GitHub Wiki

##Class CI_Cache_file

CodeIgniter Memcached Caching Class

Package: [[CodeIgniter<a href="Package CodeIgniter.Libraries.md">Libraries]]
Category: Core
Author: ExpressionEngine Dev Team
Link
Located at system/libraries/Cache/drivers/Cache_file.php

##Methods summary

public __construct ( )

Constructor

public mixed get ( mixed $id )

Fetch from cache

Parameters

$id mixed
unique key id

Returns mixed
data on success/false on failure

public boolean save ( string $id, mixed $data, integer $ttl = 60 )

Save into cache

Parameters

$id string
unique key

$data mixed
data to store

$ttl integer
length of time (in seconds) the cache is valid - Default is 60 seconds

Returns boolean
true on success/false on failure

public boolean delete ( mixed $id )

Delete from Cache

Parameters

$id mixed
unique identifier of item in cache

Returns boolean
true on success/false on failure

public boolean clean ( )

Clean the Cache

Returns boolean
false on failure/true on success

public mixed cache_info ( string $type = NULL )

Cache Info

Not supported by file-based caching

Parameters

$type string
user/filehits

Returns mixed
FALSE

public mixed get_metadata ( mixed $id )

Get Cache Metadata

Parameters

$id mixed
key to get cache metadata on

Returns mixed
FALSE on failure, array on success.

public boolean is_supported ( )

Is supported

In the file driver, check to see that the cache directory is indeed writable

Returns boolean

Methods inherited from CI_Driver

__call()

__get()

__set()

decorate()

<table class="summary" id="properties">
<caption>Properties summary</caption>
<tr data-order="_cache_path" id="$_cache_path">
	<td class="attributes"><code>
		protected  
		mixed
	</code></td>

	<td class="name">

$_cache_path

		<div class="description detailed">
			

		</div>
	</div></td>
</tr>
</table>

<table class="summary inherited">
<caption>Properties inherited from <a href="Class CI_Driver.md#properties">CI_Driver</a></caption>
<tr>
	<td><code>
		<a href="Class CI_Driver.md#$parent"><var>$parent</var></a>
	</code></td>
</tr>
</table>