cache.php File Reference

Go to the source code of this file.

Namespaces
	Elgg\Core
	Activate a plugin or plugins.

Functions
	elgg_get_system_cache ()
	Returns an ElggCache object suitable for caching system information. More...
	elgg_reset_system_cache ()
	Reset the system cache by deleting the caches. More...
	elgg_save_system_cache ($type, $data)
	Saves a system cache. More...
	elgg_load_system_cache ($type)
	Retrieve the contents of a system cache. More...
	elgg_enable_system_cache ()
	Enables the system disk cache. More...
	elgg_disable_system_cache ()
	Disables the system disk cache. More...
	elgg_register_simplecache_view ($view_name)
	Registers a view to simple cache. More...
	elgg_get_simplecache_url ($type, $view)
	_elgg_get_simplecache_root ()
	Get the base url for simple cache requests. More...
	_elgg_get_view_filetype ($view)
	Returns the type of output expected from the view. More...
	elgg_is_simplecache_enabled ()
	Is simple cache enabled. More...
	elgg_enable_simplecache ()
	Enables the simple cache. More...
	elgg_disable_simplecache ()
	Disables the simple cache. More...
	_elgg_rmdir ($dir)
	Recursively deletes a directory, including all hidden files. More...
	elgg_invalidate_simplecache ()
	Deletes all cached views in the simplecache and sets the lastcache and lastupdate time to 0 for every valid viewtype. More...
	_elgg_load_cache ()
	Loads the system cache during engine boot. More...
	_elgg_cache_init ()
	Initializes the simplecache lastcache variable and creates system cache files when appropriate. More...

Function Documentation

_elgg_cache_init()

_elgg_cache_init

(

)

Initializes the simplecache lastcache variable and creates system cache files when appropriate.

@access private

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 328 of file cache.php.

_elgg_get_simplecache_root()

_elgg_get_simplecache_root

(

)

Get the base url for simple cache requests.

Returns

string The simplecache root url for the current viewtype. @access private

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 172 of file cache.php.

_elgg_get_view_filetype()

_elgg_get_view_filetype

(

$view

)

Returns the type of output expected from the view.

css/* views always return "css" js/* views always return "js"

Otherwise, returns "unknown"

Parameters

string

$view

The view name

Returns

string @access private

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 200 of file cache.php.

_elgg_load_cache()

_elgg_load_cache

(

)

Loads the system cache during engine boot.

See also

elgg_reset_system_cache() @access private

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 301 of file cache.php.

_elgg_rmdir()

_elgg_rmdir

(

$dir

)

Recursively deletes a directory, including all hidden files.

Parameters

string

$dir

Returns

boolean Whether the dir was successfully deleted. @access private

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 257 of file cache.php.

elgg_disable_simplecache()

elgg_disable_simplecache

(

)

Disables the simple cache.

Warning

Simplecache is also purged when disabled.

See also

elgg_register_simplecache_view()

Returns

void

Since

1.8.0

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 240 of file cache.php.

elgg_disable_system_cache()

elgg_disable_system_cache

(

)

Disables the system disk cache.

Uses the 'system_cache_enabled' datalist with a boolean value. Resets the system cache.

Returns

void

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 108 of file cache.php.

elgg_enable_simplecache()

elgg_enable_simplecache

(

)

Enables the simple cache.

See also

elgg_register_simplecache_view()

Returns

void

Since

1.8.0

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 225 of file cache.php.

elgg_enable_system_cache()

elgg_enable_system_cache

(

)

Enables the system disk cache.

Uses the 'system_cache_enabled' datalist with a boolean value. Resets the system cache.

Returns

void

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 92 of file cache.php.

elgg_get_simplecache_url()

elgg_get_simplecache_url	(		$type,
			$view
	)

Examples

/root/Elgg/engine/lib/cache.php, and /root/Elgg/engine/lib/views.php.

Definition at line 155 of file cache.php.

elgg_get_system_cache()

elgg_get_system_cache

(

)

Returns an ElggCache object suitable for caching system information.

Returns

ElggFileCache

A default filestore cache using the dataroot.

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 20 of file cache.php.

elgg_invalidate_simplecache()

elgg_invalidate_simplecache

(

)

Deletes all cached views in the simplecache and sets the lastcache and lastupdate time to 0 for every valid viewtype.

Returns

bool

Since

1.7.4

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 278 of file cache.php.

elgg_is_simplecache_enabled()

elgg_is_simplecache_enabled

(

)

Is simple cache enabled.

Returns

bool

Since

1.8.0

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 214 of file cache.php.

elgg_load_system_cache()

elgg_load_system_cache

(

$type

)

Retrieve the contents of a system cache.

Parameters

string

$type

The type of cache to load

Returns

string

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 69 of file cache.php.

elgg_register_simplecache_view()

elgg_register_simplecache_view

(

$view_name

)

Registers a view to simple cache.

Simple cache is a caching mechanism that saves the output of a view and its extensions into a file. If the view is called by the engine/handlers/cache_handler.php file, the Elgg engine will not be loaded and the contents of the view will returned from file.

Warning

Simple cached views must take no parameters and return the same content no matter who is logged in.

Parameters

string

$view_name

View name

Returns

void

See also

elgg_get_simplecache_url()

Since

1.8.0

Examples

/root/Elgg/engine/lib/cache.php, and /root/Elgg/engine/lib/views.php.

Definition at line 136 of file cache.php.

elgg_reset_system_cache()

elgg_reset_system_cache

(

)

Reset the system cache by deleting the caches.

Returns

void

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 40 of file cache.php.

elgg_save_system_cache()

elgg_save_system_cache	(		$type,
			$data
	)

Saves a system cache.

Parameters

string	$type	The type or identifier of the cache
string	$data	The data to be saved

Returns

bool

Examples

/root/Elgg/engine/lib/cache.php.

Definition at line 52 of file cache.php.