ElggFile Class Reference

Inheritance diagram for ElggFile:

Public Member Functions
	__set ($name, $value)
	__get ($name)
	setFilename (string $filename)
	Set the filename of this file. More...
	getFilename ()
	Return the filename. More...
	getFilenameOnFilestore ()
	Return the filename of this file as it is/will be stored on the filestore, which may be different to the filename. More...
	getMimeType ()
	Get the mime type of the file. More...
	setMimeType (string $mimetype)
	Set the mime type of the file. More...
	getSimpleType ()
	Get the simple type of the file. More...
	open (string $mode)
	Open the file with the given mode. More...
	write (string $data)
	Write data. More...
	read (int $length, int $offset=0)
	Read data. More...
	grabFile ()
	Gets the full contents of this file. More...
	close ()
	Close the file and commit changes. More...
	delete (bool $follow_symlinks=true)
	Delete this file. More...
	seek (int $position)
	Seek a position in the file. More...
	tell ()
	Return the current position of the file. More...
	setModifiedTime ()
	Updates modification time of the file and clears stats cache for the file. More...
	getModifiedTime ()
	Returns file modification time. More...
	getSize ()
	Return the size of the file in bytes. More...
	eof ()
	Return a boolean value whether the file handle is at the end of the file. More...
	exists ()
	Returns if the file exists. More...
	transfer (int $owner_guid, string $filename=null)
	Transfer a file to a new owner and sets a new filename, copies file contents to a new location. More...
	acceptUploadedFile (UploadedFile $upload)
	Writes contents of the uploaded file to an instance of ElggFile. More...
	__sleep ()
	Get property names to serialize. More...
	canDownload (int $user_guid=0, bool $default=true)
	Checks the download permissions for the file. More...
	getDownloadURL (bool $use_cookie=true, string $expires= '+2 hours')
	Returns file's download URL. More...
	getInlineURL (bool $use_cookie=false, string $expires= '')
	Returns file's URL for inline display Suitable for displaying cacheable resources, such as user avatars. More...
Public Member Functions inherited from ElggObject
	getType ()
	{} More...
	getDisplayName ()
	{} More...
	setDisplayName (string $display_name)
	{} More...
Public Member Functions inherited from ElggEntity
	__construct (stdClass $row=null)
	Create a new entity. More...
	__clone ()
	Clone an entity. More...
	__set ($name, $value)
	Set an attribute or metadata value for this entity. More...
	getOriginalAttributes ()
	Get the original values of attribute(s) that have been modified since the entity was persisted. More...
	__get ($name)
	Get an attribute or metadata value. More...
	getDisplayName ()
	Get the entity's display name. More...
	setDisplayName (string $display_name)
	Sets the title or name of this entity. More...
	getMetadata (string $name)
	Return the value of a piece of metadata. More...
	getAllMetadata ()
	Get all entity metadata. More...
	setMetadata (string $name, $value, string $value_type= '', bool $multiple=false)
	Set metadata on this entity. More...
	deleteMetadata (string $name=null)
	Deletes all metadata on this object (metadata.entity_guid = $this->guid). More...
	getVolatileData (string $name)
	Get a piece of volatile (non-persisted) data on this entity. More...
	setVolatileData (string $name, $value)
	Set a piece of volatile (non-persisted) data on this entity. More...
	addRelationship (int $guid_two, string $relationship)
	Add a relationship between this an another entity. More...
	hasRelationship (int $guid_two, string $relationship)
	Check if this entity has a relationship with another entity. More...
	getRelationship (int $guid_two, string $relationship)
	Return the relationship if this entity has a relationship with another entity. More...
	getEntitiesFromRelationship (array $options=[])
	Gets an array of entities with a relationship to this entity. More...
	countEntitiesFromRelationship (string $relationship, bool $inverse_relationship=false)
	Gets the number of entities from a specific relationship type. More...
	removeRelationship (int $guid_two, string $relationship)
	Remove a relationship. More...
	removeAllRelationships (string $relationship= '', bool $inverse_relationship=false)
	Remove all relationships to or from this entity. More...
	removeAllRelatedRiverItems ()
	Removes all river items related to this entity. More...
	deleteAnnotations (string $name=null)
	Deletes all annotations on this object (annotations.entity_guid = $this->guid). More...
	deleteOwnedAnnotations (string $name=null)
	Deletes all annotations owned by this object (annotations.owner_guid = $this->guid). More...
	disableAnnotations (string $name=null)
	Disables annotations for this entity, optionally based on name. More...
	enableAnnotations (string $name=null)
	Enables annotations for this entity, optionally based on name. More...
	annotate ($name, $value, $access_id=ACCESS_PRIVATE, $owner_guid=0, $value_type= '')
	Adds an annotation to an entity. More...
	getAnnotations (array $options=[])
	Gets an array of annotations. More...
	countAnnotations (string $name= '')
	Count annotations. More...
	getAnnotationsAvg (string $name)
	Get the average of an integer type annotation. More...
	getAnnotationsSum (string $name)
	Get the sum of integer type annotations of a given name. More...
	getAnnotationsMin (string $name)
	Get the minimum of integer type annotations of given name. More...
	getAnnotationsMax (string $name)
	Get the maximum of integer type annotations of a given name. More...
	countComments ()
	Count the number of comments attached to this entity. More...
	getOwnedAccessCollections (array $options=[])
	Returns the ACLs owned by the entity. More...
	getOwnedAccessCollection (string $subtype)
	Returns the first ACL owned by the entity with a given subtype. More...
	hasAccess (int $user_guid=0)
	Check if the given user has access to this entity. More...
	canEdit (int $user_guid=0)
	Can a user edit this entity? More...
	canDelete (int $user_guid=0)
	Can a user delete this entity? More...
	canWriteToContainer (int $user_guid=0, string $type= '', string $subtype= '')
	Can a user add an entity to this container. More...
	canComment (int $user_guid=0)
	Can a user comment on an entity? More...
	canAnnotate (int $user_guid=0, string $annotation_name= '')
	Can a user annotate an entity? More...
	getGUID ()
	Returns the guid. More...
	getType ()
	Returns the entity type. More...
	setSubtype (string $subtype)
	Set the subtype of the entity. More...
	getSubtype ()
	Get the entity subtype. More...
	getOwnerGUID ()
	Get the guid of the entity's owner. More...
	getOwnerEntity ()
	Gets the that owns this entity. More...
	setContainerGUID (int $container_guid)
	Set the container for this object. More...
	getContainerGUID ()
	Gets the container GUID for this entity. More...
	getContainerEntity ()
	Get the container entity for this object. More...
	getTimeUpdated ()
	Returns the UNIX epoch time that this entity was last updated. More...
	getURL ()
	Gets the URL for this entity. More...
	saveIconFromUploadedFile (string $input_name, string $type= 'icon', array $coords=[])
	Saves icons using an uploaded file as the source. More...
	saveIconFromLocalFile (string $filename, string $type= 'icon', array $coords=[])
	Saves icons using a local file as the source. More...
	saveIconFromElggFile (\ElggFile $file, string $type= 'icon', array $coords=[])
	Saves icons using a file located in the data store as the source. More...
	getIcon (string $size, string $type= 'icon')
	Returns entity icon as an ElggIcon object The icon file may or may not exist on filestore. More...
	deleteIcon (string $type= 'icon')
	Removes all icon files and metadata for the passed type of icon. More...
	getIconLastChange (string $size, string $type= 'icon')
	Returns the timestamp of when the icon was changed. More...
	hasIcon (string $size, string $type= 'icon')
	Returns if the entity has an icon of the passed type. More...
	getIconURL (string|array $params=[])
	Get the URL for this entity's icon. More...
	save ()
	disable (string $reason= '', bool $recursive=true)
	Disable this entity. More...
	enable (bool $recursive=true)
	Enable the entity. More...
	isEnabled ()
	Is this entity enabled? More...
	delete (bool $recursive=true)
	Deletes the entity. More...
	toObject (array $params=[])
	Export an entity. More...
	setLatLong (float $lat, float $long)
	Set latitude and longitude metadata tags for a given entity. More...
	getLatitude ()
	Return the entity's latitude. More...
	getLongitude ()
	Return the entity's longitude. More...
	getSystemLogID ()
	{} More...
	getObjectFromID (int $id)
	For a given ID, return the object associated with it. More...
	getTags ($tag_names=null)
	Returns tags for this entity. More...
	deleteAccessCollectionMemberships ()
	Remove the membership of all access collections for this entity (if the entity is a user) More...
	deleteOwnedAccessCollections ()
	Remove all access collections owned by this entity. More...
	updateLastAction (int $posted=null)
	Update the last_action column in the entities table. More...
	disableCaching ()
	Disable runtime caching for entity. More...
	enableCaching ()
	Enable runtime caching for entity. More...
	isCacheable ()
	Is entity cacheable in the runtime cache. More...
	cache (bool $persist=true)
	Cache the entity in a session and persisted caches. More...
	invalidateCache ()
	Invalidate cache for entity. More...
	hasCapability (string $capability)
	Checks a specific capability is enabled for the entity type/subtype. More...
Public Member Functions inherited from ElggData
	__isset ($name)
	Test if property is set either as an attribute or metadata. More...
	__unset ($name)
	Unset a property from metadata or attribute. More...
	getURL ()
	Get a URL for this object. More...
	save ()
	Save this data to the appropriate database table. More...
	delete ()
	Delete this data. More...
	getTimeCreated ()
	Returns the UNIX epoch time that this entity was created. More...
	toObject (array $params=[])
	Get a plain old object copy for public consumption. More...
	getSystemLogID ()
	Return an identification for the object for storage in the system log. More...
	getType ()
	Return the type of the object - eg. More...
	getSubtype ()
	Return a subtype. More...
	getObjectFromID (int $id)
	For a given ID, return the object associated with it. More...
	rewind ()
	Iterator interface. More...
	current ()
	Iterator interface. More...
	key ()
	Iterator interface. More...
	next ()
	Iterator interface. More...
	valid ()
	Iterator interface. More...
	offsetSet ($offset, $value)
	Array access interface. More...
	offsetGet ($offset)
	Array access interface. More...
	offsetUnset ($offset)
	Array access interface. More...
	offsetExists ($offset)
	Array access interface. More...
	getID ()
	{Get unique item identifier within a collection. Returns string|int } More...
	getPriority ()
	{Get priority (weight) of the item within a collection. Returns int } More...
	__serialize ()
	Called during serialization. More...
	__unserialize (array $data)
	Called during unserialization. More...
Public Member Functions inherited from Elgg\EntityIcon
	getIconURL (array $params)
	Returns a URL of the icon. More...

Protected Member Functions
	initializeAttributes ()
	Set subtype to 'file'. More...
	getFilestore ()
	Return the system filestore based on dataroot. More...
Protected Member Functions inherited from ElggObject
	prepareObject (\Elgg\Export\Entity $object)
	{} More...
Protected Member Functions inherited from ElggEntity
	initializeAttributes ()
	Initialize the attributes array. More...
	setTempMetadata (string $name, $value, bool $multiple=false)
	Set temp metadata on this entity. More...
	create ()
	Create a new entry in the entities table. More...
	update ()
	Update the entity in the database. More...
	load (stdClass $row)
	Loads attributes from the entities table into the object. More...
	prepareObject (\Elgg\Export\Entity $object)
	Prepare an object copy for toObject() More...
Protected Member Functions inherited from ElggData
	initializeAttributes ()
	Initialize the attributes array. More...
	getDatabase ()
	Provides a pointer to the database object. More...

Additional Inherited Members
Public Attributes inherited from ElggEntity
const	PRIMARY_ATTR_NAMES
Protected Attributes inherited from ElggEntity
const	INTEGER_ATTR_NAMES
	$temp_metadata = []
	$temp_annotations = []
	$volatile = []
	$orig_attributes = []
	$_is_cacheable = true
	$_cached_metadata
Protected Attributes inherited from ElggData
	$attributes = []
	$valid = false

Detailed Description

Definition at line 32 of file ElggFile.php.

Member Function Documentation

ElggFile::__get

(

$name

)

Definition at line 68 of file ElggFile.php.

ElggFile::__set	(		$name,
			$value
	)

Definition at line 54 of file ElggFile.php.

ElggFile::__sleep

(

)

Get property names to serialize.

Returns

string[]

Definition at line 452 of file ElggFile.php.

ElggFile::acceptUploadedFile

(

UploadedFile

$upload

)

Writes contents of the uploaded file to an instance of ElggFile.

Note

Note that this function moves the file and populates properties, but does not call ElggFile::save().

This method will automatically assign a filename on filestore based on the upload time and filename. By default, the file will be written to /file directory on owner's filestore. You can change this directory, by setting 'filestore_prefix' property of the ElggFile instance before calling this method.

Parameters

UploadedFile

$upload

Uploaded file object

Returns

bool

Definition at line 385 of file ElggFile.php.

ElggFile::canDownload	(	int	$user_guid = 0,
		bool	$default = true
	)

Checks the download permissions for the file.

Parameters

int	$user_guid	GUID of the user (defaults to logged in user)
bool	$default	Default permission

Returns

bool

Definition at line 467 of file ElggFile.php.

ElggFile::close

(

)

Close the file and commit changes.

Returns

bool

Definition at line 223 of file ElggFile.php.

ElggFile::delete

(

bool

$follow_symlinks = true

)

Delete this file.

Parameters

bool

$follow_symlinks

If true, will also delete the target file if the current file is a symlink

Returns

bool

Definition at line 240 of file ElggFile.php.

ElggFile::eof

(

)

Return a boolean value whether the file handle is at the end of the file.

Returns

bool

Definition at line 312 of file ElggFile.php.

ElggFile::exists

(

)

Returns if the file exists.

Returns

bool

Definition at line 321 of file ElggFile.php.

ElggFile::getDownloadURL	(	bool	$use_cookie = true,
		string	$expires = '+2 hours'
	)

Returns file's download URL.

Note

This does not work for files with custom filestores.

Parameters

bool	$use_cookie	Limit URL validity to current session only
string	$expires	URL expiration, as a string suitable for strtotime()

Returns

string|null

Definition at line 481 of file ElggFile.php.

ElggFile::getFilename

(

)

Return the filename.

This filename will be sanitized to prevent path traversal

Returns

string

Definition at line 96 of file ElggFile.php.

ElggFile::getFilenameOnFilestore

(

)

Return the filename of this file as it is/will be stored on the filestore, which may be different to the filename.

Returns

string

Definition at line 111 of file ElggFile.php.

ElggFile::getFilestore ( )

protected

Return the system filestore based on dataroot.

Returns

Definition at line 330 of file ElggFile.php.

ElggFile::getInlineURL	(	bool	$use_cookie = false,
		string	$expires = ''
	)

Returns file's URL for inline display Suitable for displaying cacheable resources, such as user avatars.

Note

This does not work for files with custom filestores.

Parameters

bool	$use_cookie	Limit URL validity to current session only
string	$expires	URL expiration, as a string suitable for strtotime()

Returns

string|null

Definition at line 510 of file ElggFile.php.

ElggFile::getMimeType

(

)

Get the mime type of the file.

Returns mimetype metadata value if set, otherwise attempts to detect it.

Returns

string|false

Definition at line 121 of file ElggFile.php.

ElggFile::getModifiedTime

(

)

Returns file modification time.

Returns

int

Definition at line 293 of file ElggFile.php.

ElggFile::getSimpleType

(

)

Get the simple type of the file.

Returns simpletype metadata value if set, otherwise parses it from mimetype

Returns

string 'document', 'audio', 'video', or 'general' if the MIME type was unrecognized

Definition at line 153 of file ElggFile.php.

ElggFile::getSize

(

)

Return the size of the file in bytes.

Returns

int

Since

1.9

Definition at line 303 of file ElggFile.php.

ElggFile::grabFile

(

)

Gets the full contents of this file.

Returns

false|string The file contents.

Definition at line 214 of file ElggFile.php.

ElggFile::initializeAttributes ( )

protected

Set subtype to 'file'.

Returns

void

Definition at line 45 of file ElggFile.php.

ElggFile::open

(

string

$mode

)

Open the file with the given mode.

Parameters

string

$mode

Either read/write/append

Returns

false|resource File handler

Exceptions

IOException

Definition at line 171 of file ElggFile.php.

ElggFile::read	(	int	$length,
		int	$offset = 0
	)

Read data.

Parameters

int	$length	Amount to read.
int	$offset	The offset to start from.

Returns

mixed Data or false

Definition at line 205 of file ElggFile.php.

ElggFile::seek

(

int

$position

)

Seek a position in the file.

Parameters

int

$position

Position in bytes

Returns

void

Definition at line 257 of file ElggFile.php.

ElggFile::setFilename

(

string

$filename

)

Set the filename of this file.

This filename will be sanitized to prevent path traversal

Parameters

string

$filename

The filename

Returns

void

Definition at line 85 of file ElggFile.php.

ElggFile::setMimeType

(

string

$mimetype

)

Set the mime type of the file.

Parameters

string

$mimetype

The mimetype

Returns

void

Definition at line 143 of file ElggFile.php.

ElggFile::setModifiedTime

(

)

Updates modification time of the file and clears stats cache for the file.

Returns

bool

Definition at line 275 of file ElggFile.php.

ElggFile::tell

(

)

Return the current position of the file.

Returns

int The file position

Definition at line 266 of file ElggFile.php.

ElggFile::transfer	(	int	$owner_guid,
		string	$filename = null
	)

Transfer a file to a new owner and sets a new filename, copies file contents to a new location.

This is an alternative to using rename() which fails to move files to a non-existent directory under new owner's filestore directory

Parameters

int	$owner_guid	New owner's guid
string	$filename	New filename (uses old filename if not set)

Returns

bool

Definition at line 346 of file ElggFile.php.

ElggFile::write

(

string

$data

)

Write data.

Parameters

string

$data

The data

Returns

false|int

Definition at line 193 of file ElggFile.php.

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

• engine/classes/ElggFile.php