PHP Class CI_Cache_file, TastyIgniter

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Author: ExpressionEngine Dev Team

Inheritance: extends CI_Driver

Protected Properties

Property	Type	Description
$_cache_path	string	Directory in which to save cache files

Method	Description
__construct ( ) : void	Initialize file-based cache
cache_info ( $type = NULL ) : mixed	Cache Info
clean ( ) : boolean	Clean the Cache
decrement ( string $id, integer $offset = 1 ) : New	Decrement a raw value
delete ( $id ) : boolean	Delete from Cache
get ( string $id ) : mixed	Fetch from cache
get_metadata ( $id ) : mixed	Get Cache Metadata
increment ( string $id, integer $offset = 1 ) : New	Increment a raw value
is_supported ( ) : boolean	Is supported
save ( string $id, mixed $data, integer $ttl = 60, boolean $raw = FALSE ) : boolean	Save into cache

Method	Description
_get ( string $id ) : mixed	Get all data

Initialize file-based cache

public __construct ( ) : void
return	void

Internal method to get all the relevant data about a cache item

protected _get ( string $id ) : mixed
$id	string	Cache ID
return	mixed	Data array on success or FALSE on failure

Not supported by file-based caching

public cache_info ( $type = NULL ) : mixed
return	mixed	FALSE

Clean the Cache

public clean ( ) : boolean
return	boolean	false on failure/true on success

Decrement a raw value

public decrement ( string $id, integer $offset = 1 ) : New
$id	string	Cache ID
$offset	integer	Step/value to reduce by
return	New	value on success, FALSE on failure

Delete from Cache

public delete ( $id ) : boolean
return	boolean	true on success/false on failure

Fetch from cache

public get ( string $id ) : mixed
$id	string	Cache ID
return	mixed	Data on success, FALSE on failure

Get Cache Metadata

public get_metadata ( $id ) : mixed
return	mixed	FALSE on failure, array on success.

Increment a raw value

public increment ( string $id, integer $offset = 1 ) : New
$id	string	Cache ID
$offset	integer	Step/value to add
return	New	value on success, FALSE on failure

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

public is_supported ( ) : boolean
return	boolean

Save into cache

public save ( string $id, mixed $data, integer $ttl = 60, boolean $raw = FALSE ) : boolean
$id	string	Cache ID
$data	mixed	Data to store
$ttl	integer	Time to live in seconds
$raw	boolean	Whether to store the raw value (unused)
return	boolean	TRUE on success, FALSE on failure

Directory in which to save cache files

protected string $_cache_path
return	string