Namespaces
	Elgg
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Functions
	row_to_elggannotation ($row)
	Convert a database row to a new ElggAnnotation. More...

	elgg_get_annotation_from_id ($id)
	Get a specific annotation by its id. More...

	elgg_delete_annotation_by_id ($id)
	Deletes an annotation using its ID. More...

	create_annotation ($entity_guid, $name, $value, $value_type= '', $owner_guid=0, $access_id=ACCESS_PRIVATE)
	Create a new annotation. More...

	update_annotation ($annotation_id, $name, $value, $value_type, $owner_guid, $access_id)
	Update an annotation. More...

	elgg_get_annotations (array $options=array())
	Returns annotations. More...

	elgg_list_annotations ($options)
	Returns a rendered list of annotations with pagination. More...

	elgg_delete_annotations (array $options)
	Deletes annotations based on $options. More...

	elgg_disable_annotations (array $options)
	Disables annotations based on $options. More...

	elgg_enable_annotations (array $options)
	Enables annotations based on $options. More...

	elgg_get_entities_from_annotations (array $options=array())
	Returns entities based upon annotations. More...

	elgg_list_entities_from_annotations ($options=array())
	Returns a viewable list of entities from annotations. More...

	elgg_get_entities_from_annotation_calculation ($options)
	Get entities ordered by a mathematical calculation on annotation values. More...

	elgg_list_entities_from_annotation_calculation ($options)
	List entities from an annotation calculation. More...

	elgg_annotation_exists ($entity_guid, $annotation_type, $owner_guid=null)
	Check to see if a user has already created an annotation on an object. More...

	_elgg_set_comment_url ($hook, $type, $url, $params)
	Set the URL for a comment when called from a plugin hook. More...

	_elgg_annotations_test ($hook, $type, $tests)
	Register annotation unit tests. More...

	_elgg_annotations_init ()
	Initialize the annotation library private. More...

Function Documentation

_elgg_annotations_init ( )

Initialize the annotation library private.

Definition at line 548 of file annotations.php.

_elgg_annotations_test	(	$hook,
		$type,
		$tests
	)

Register annotation unit tests.

Parameters

string	$hook
string	$type
array	$tests

Returns: array private

Definition at line 537 of file annotations.php.

_elgg_set_comment_url	(	$hook,
		$type,
		$url,
		$params
	)

Set the URL for a comment when called from a plugin hook.

Parameters

string	$hook	Hook name
string	$type	Hook type
string	$url	URL string
array	$params	Parameters of the hook

Returns: string private

Definition at line 517 of file annotations.php.

create_annotation	(	$entity_guid,
		$name,
		$value,
		$value_type = `''`,
		$owner_guid = `0`,
		$access_id = `ACCESS_PRIVATE`
	)

Create a new annotation.

Parameters

int	$entity_guid	GUID of entity to be annotated
string	$name	Name of annotation
string	$value	Value of annotation
string	$value_type	Type of value (default is auto detection)
int	$owner_guid	Owner of annotation (default is logged in user)
int	$access_id	Access level of annotation

Returns: int|bool id on success or false on failure

Definition at line 66 of file annotations.php.

elgg_annotation_exists	(	$entity_guid,
		$annotation_type,
		$owner_guid = `null`
	)

Check to see if a user has already created an annotation on an object.

Parameters

int	$entity_guid	Entity guid
string	$annotation_type	Type of annotation
int	$owner_guid	Defaults to logged in user.

Returns: bool

Since: 1.8.0

Definition at line 484 of file annotations.php.

elgg_delete_annotation_by_id ( $id )

Deletes an annotation using its ID.

Parameters

int $id The annotation ID to delete.

Returns: bool

Definition at line 46 of file annotations.php.

elgg_delete_annotations ( array $options )

Deletes annotations based on $options.

Warning: Unlike elgg_get_annotations() this will not accept an empty options array! This requires at least one constraint: annotation_owner_guid(s), annotation_name(s), annotation_value(s), or guid(s) must be set.

Parameters

array $options An options array. elgg_get_annotations()

Returns: bool|null true on success, false on failure, null if no annotations to delete.

Since: 1.8.0

Definition at line 255 of file annotations.php.

elgg_disable_annotations ( array $options )

Disables annotations based on $options.

Warning: Unlike elgg_get_annotations() this will not accept an empty options array!

Parameters

array $options An options array. elgg_get_annotations()

Returns: bool|null true on success, false on failure, null if no annotations disabled.

Since: 1.8.0

Definition at line 273 of file annotations.php.

elgg_enable_annotations ( array $options )

Enables annotations based on $options.

Warning: Unlike elgg_get_annotations() this will not accept an empty options array!; In order to enable annotations, you must first use access_show_hidden_entities().

Parameters

array $options An options array. elgg_get_annotations()

Returns: bool|null true on success, false on failure, null if no metadata enabled.

Since: 1.8.0

Definition at line 298 of file annotations.php.

elgg_get_annotation_from_id ( $id )

Get a specific annotation by its id.

If you want multiple annotation objects, use elgg_get_annotations().

Parameters

int $id The id of the annotation object being retrieved.

Returns: ElggAnnotation|false

Definition at line 36 of file annotations.php.

elgg_get_annotations ( array $options = array() )

Returns annotations.

Accepts all elgg_get_entities() options for entity restraints.

See also: elgg_get_entities

Parameters

array $options Array in format:

annotation_names => null|ARR Annotation names annotation_values => null|ARR Annotation values annotation_ids => null|ARR annotation ids annotation_case_sensitive => BOOL Overall Case sensitive annotation_owner_guids => null|ARR guids for annotation owners annotation_created_time_lower => INT Lower limit for created time. annotation_created_time_upper => INT Upper limit for created time. annotation_calculation => STR Perform the MySQL function on the annotation values returned. Do not confuse this "annotation_calculation" option with the "calculation" option to elgg_get_entities_from_annotation_calculation(). The "annotation_calculation" option causes this function to return the result of performing a mathematical calculation on all annotations that match the query instead of ElggAnnotation objects. See the docs for elgg_get_entities_from_annotation_calculation() for the proper use of the "calculation" option.

Returns: ElggAnnotation[]|mixed

Since: 1.8.0

Definition at line 206 of file annotations.php.

elgg_get_entities_from_annotation_calculation ( $options )

Get entities ordered by a mathematical calculation on annotation values.

Parameters

array $options An options array: 'calculation' => The calculation to use. Must be a valid MySQL function. Defaults to sum. Result selected as 'annotation_calculation'. Don't confuse this "calculation" option with the "annotation_calculation" option to elgg_get_annotations(). This "calculation" option is applied to each entity's set of annotations and is selected as annotation_calculation for that row. See the docs for elgg_get_annotations() for proper use of the "annotation_calculation" option. 'order_by' => The order for the sorting. Defaults to 'annotation_calculation desc'. 'annotation_names' => The names of annotations on the entity. 'annotation_values' => The values of annotations on the entity.

'metadata_names' => The name of metadata on the entity. 'metadata_values' => The value of metadata on the entitiy.

Returns: mixed If count, int. If not count, array. false on errors.

Definition at line 424 of file annotations.php.

elgg_get_entities_from_annotations ( array $options = array() )

Returns entities based upon annotations.

Also accepts all options available to elgg_get_entities() and elgg_get_entities_from_metadata().

Entity creation time is selected as maxtime. To sort based upon this, pass 'order_by' => 'maxtime asc' || 'maxtime desc'

See also: elgg_get_entities; elgg_get_entities_from_metadata

Parameters

array

$options

Array in format:

annotation_names => null|ARR annotations names

annotation_values => null|ARR annotations values

annotation_name_value_pairs => null|ARR (name = 'name', value => 'value',
'operator' => '=', 'case_sensitive' => true) entries.
Currently if multiple values are sent via an array (value => array('value1', 'value2')
the pair's operator will be forced to "IN".

annotation_name_value_pairs_operator => null|STR The operator to use for combining

(name = value) OPERATOR (name = value); default AND

annotation_case_sensitive => BOOL Overall Case sensitive

order_by_annotation => null|ARR (array('name' => 'annotation_text1', 'direction' => ASC|DESC, 'as' => text|integer),

Also supports array('name' => 'annotation_text1')

annotation_owner_guids => null|ARR guids for annotaiton owners

Returns: mixed If count, int. If not count, array. false on errors.

Since: 1.7.0

Definition at line 343 of file annotations.php.

elgg_list_annotations ( $options )

Returns a rendered list of annotations with pagination.

Parameters

array $options Annotation getter and display options. elgg_get_annotations() and elgg_list_entities().

Returns: string The list of entities

Since: 1.8.0

Definition at line 232 of file annotations.php.

elgg_list_entities_from_annotation_calculation ( $options )

List entities from an annotation calculation.

See also: elgg_get_entities_from_annotation_calculation()

Parameters

array $options An options array.

Returns: string

Definition at line 464 of file annotations.php.

elgg_list_entities_from_annotations ( $options = array() )

Returns a viewable list of entities from annotations.

Parameters

array $options Options array

See also: elgg_get_entities_from_annotations(); elgg_list_entities()

Returns: string

Definition at line 399 of file annotations.php.

row_to_elggannotation ( $row )

Convert a database row to a new ElggAnnotation.

Parameters

stdClass $row Db row result object

Returns: ElggAnnotation private

Definition at line 18 of file annotations.php.

update_annotation	(	$annotation_id,
		$name,
		$value,
		$value_type,
		$owner_guid,
		$access_id
	)

Update an annotation.

Parameters

int	$annotation_id	Annotation ID
string	$name	Name of annotation
string	$value	Value of annotation
string	$value_type	Type of value
int	$owner_guid	Owner of annotation
int	$access_id	Access level of annotation

Returns: bool

Definition at line 130 of file annotations.php.

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Function Documentation