CI_Cache_file Class Reference

Inheritance diagram for CI_Cache_file:

Public Member Functions
	__construct ()
	get ($id)
	save ($id, $data, $ttl=60)
	delete ($id)
	clean ()
	cache_info ($type=NULL)
	get_metadata ($id)
	is_supported ()
Public Member Functions inherited from CI_Driver
	decorate ($parent)
	__call ($method, $args=array())
	__get ($var)
	__set ($var, $val)

Protected Attributes
	$_cache_path
Protected Attributes inherited from CI_Driver
	$parent

Constructor & Destructor Documentation

__construct

(

)

Constructor

Member Function Documentation

cache_info

(

$type = NULL)

Cache Info

Not supported by file-based caching

Parameters

string

user/filehits

Returns

mixed FALSE

clean

(

)

Clean the Cache

Returns

boolean false on failure/true on success

delete

(

$id)

Delete from Cache

Parameters

mixed

unique identifier of item in cache

Returns

boolean true on success/false on failure

get

(

$id)

Fetch from cache

Parameters

mixed

unique key id

Returns

mixed data on success/false on failure

get_metadata

(

$id)

Get Cache Metadata

Parameters

mixed

key to get cache metadata on

Returns

mixed FALSE on failure, array on success.

is_supported

(

)

Is supported

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

Returns

boolean

save	(		$id,
			$data,
			$ttl = 60
	)

Save into cache

Parameters

string	unique key
mixed	data to store
int	length of time (in seconds) the cache is valid Default is 60 seconds

Returns

boolean true on success/false on failure

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The documentation for this class was generated from the following file:

• system/libraries/Cache/drivers/Cache_file.php