Joomla! API

Object constructor to set table and key fields. In most cases this will be overridden by child classes to explicitly set the table and key fields for a particular database table.

__construct( table,  key, \Joomla\Database\DatabaseInterface db, \Joomla\Event\DispatcherInterface dispatcher = null) :

inherited

since	1.7.0

Arguments

table: stringName of the table to model.
key: mixedName of the primary key field in the table or array of field names that compose the primary key.
db: DatabaseInterfaceObject which implements the DatabaseInterface.
dispatcher: DispatcherInterface|nullEvent dispatcher for this table

Response

mixed

Method to compute the default name of the asset.

_getAssetName() :

inherited

The default name is in the form table_name.id where id is the value of the primary key of the table.

since	1.7.0

Response

string

Method to get the parent asset under which to register this one.

_getAssetParentId(\Joomla\CMS\Table\Table table = null, int id = null) :

inherited

By default, all assets are registered to the ROOT node with ID, which will default to 1 if none exists. An extended class can define a table and ID to lookup. If the asset does not exist it will be created.

since	1.7.0

Arguments

table: Table|nullA Table object for the asset parent.
id: int|nullId to look up

Response

int

Method to return the title to use for the asset table.

_getAssetTitle() :

inherited

In tracking the assets a title is kept for each asset so that there is some context available in a unified access manager. Usually this would just return $this->title or $this->name or whatever is being used for the primary name of the row. If this method is not overridden, the asset name is used.

since	1.7.0

Response

stringThe string to use as the title in the asset table.

Method to get nested set properties for a node in the tree.

_getNode( id,  key = null) :

since	1.7.0
throws	`RuntimeException`on database error.

Arguments

id: intValue to look up the node by.
key: stringAn optional key to look up the node by (parent | left | right). If omitted, the primary key of the table is used.

Response

mixedBoolean false on failure or node object on success.

Method to get various data necessary to make room in the tree at a location for a node and its children. The returned data object includes conditions for SQL WHERE clauses for updating left and right id values to make room for the node as well as the new left and right ids for the node.

_getTreeRepositionData( referenceNode,  nodeWidth,  position = 'before') :

since	1.7.0

Arguments

referenceNode: objectA node object with at least a 'lft' and 'rgt' with which to make room in the tree around for a new node.
nodeWidth: intThe width of the node for which to make room in the tree.
position: stringThe position relative to the reference node where the room should be made.

Response

mixedBoolean false on failure or data object on success.

Method to lock the database table for writing.

_lock() :

inherited

since	1.7.0
throws	`RuntimeException`

Response

boolTrue on success.

Method to create a log table in the buffer optionally showing the query and/or data.

_logtable( showData = true,  showQuery = true) :

since	1.7.0

Arguments

showData: boolTrue to show data
showQuery: boolTrue to show query

Response

void

Runs a query and unlocks the database on an error.

_runQuery( query,  errorMessage) :

note	Since 3.0.0 this method returns void and will rethrow the database exception.
since	1.7.0
throws	`Exception`on database error.

Arguments

query: mixedA string or DatabaseQuery object.
errorMessage: stringUnused.

Response

void

Method to unlock the database table for writing.

_unlock() :

inherited

since	1.7.0

Response

boolTrue on success.

Add a filesystem path where Table should search for table class files.

addIncludePath(array|string path = null) : mixed||string|int

inherited static deprecated

since	1.7.0
deprecated	4.3 will be removed in 6.0 Should not be used anymore as tables are loaded through the MvcFactory

Arguments

path: array<string|int, mixed>|stringA filesystem path or array of filesystem paths to add.

Response

array<string|int, mixed>An array of filesystem paths to find Table classes in.

Method to append the primary keys for this table to a query.

appendPrimaryKeys(\Joomla\Database\DatabaseQuery query,  pk = null) :

inherited

since	3.1.4

Arguments

query: DatabaseQueryA query object to append.
pk: mixedOptional primary key parameter.

Response

void

Method to bind an associative array or object to the Table instance.This method only binds properties that are publicly accessible and optionally takes an array of properties to ignore when binding.

bind(array|object src, array|string ignore = []) :

inherited

since	1.7.0
throws	`InvalidArgumentException`

Arguments

src: array<string|int, mixed>|objectAn associative array or object to bind to the Table instance.
ignore: array<string|int, mixed>|stringAn optional array or space separated list of properties to ignore while binding.

Response

boolTrue on success.

Checks that the object is valid and able to be stored.

check() :

This method checks that the parent_id is non-zero and exists in the database. Note that the root node (parent_id = 0) cannot be manipulated with this class.

since	1.7.0

Response

boolTrue if all checks pass.

Method to check a row in if the necessary properties/fields exist.

checkIn( pk = null) :

inherited

Checking a row in will allow other users the ability to edit the row.

since	1.7.0
throws	`UnexpectedValueException`

Arguments

pk: mixedAn optional primary key value to check out. If not set the instance property value is used.

Response

boolTrue on success.

Method to check a row out if the necessary properties/fields exist.

checkOut( userId,  pk = null) :

inherited

To prevent race conditions while editing rows in a database, a row can be checked out if the fields 'checked_out' and 'checked_out_time' are available. While a row is checked out, any attempt to store the row by a user other than the one who checked the row out should be held until the row is checked in again.

since	1.7.0
throws	`UnexpectedValueException`

Arguments

userId: intThe Id of the user checking out the row.
pk: mixedAn optional primary key value to check out. If not set the instance property value is used.

Response

boolTrue on success.

Sets the debug level on or off

debug( level) :

since	1.7.0

Arguments

level: int0 = off, 1 = on

Response

void

Sets a default value if not already assigned

def( property,  default = null) :

inherited deprecated

since	1.7.0
deprecated	4.3.0 will be removed in 7.0 Defining dynamic properties should not be used anymore

Arguments

property: stringThe name of the property.
default: mixedThe default value.

Response

mixed

Method to delete a node and, optionally, its child nodes from the table.

delete( pk = null,  children = true) :

since	1.7.0

Arguments

pk: intThe primary key of the node to delete.
children: boolTrue to delete child nodes, false to move them up a level.

Response

boolTrue on success.

Returns a property of the object or the default value if the property is not set.

get( property,  default = null) :

inherited deprecated

since	1.7.0
see	CMSObject::getProperties()
deprecated	4.3.0 will be removed in 7.0 Create a proper getter function for the property

Arguments

property: stringThe name of the property.
default: mixedThe default value.

Response

mixedThe value of the property.

Method to return the real name of a "special" column such as ordering, hits, published etc etc. In this way you are free to follow your db naming convention and use the built in \Joomla functions.

getColumnAlias( column) :

inherited

since	3.4

Arguments

column: stringName of the "special" column (ie ordering, hits)

Response

stringThe string that identify the special

Get the database.

getDatabase() : \Joomla\Database\DatabaseInterface

inherited

since	5.4.0
throws	`DatabaseNotFoundException`May be thrown if the database has not been set.
note	This method will be removed in 7.0 and DatabaseAwareTrait will be used instead.

Response

DatabaseInterface

Method to get the DatabaseInterface object.

getDbo() : \Joomla\Database\DatabaseInterface

inherited deprecated

since	1.7.0
deprecated	5.4.0 will be removed in 7.0 Use getDatabase() instead Example: $this->getDatabase();

Response

DatabaseInterfaceThe internal database driver object.

Get the most recent error message.

getError( i = null,  toString = true) :

inherited deprecated

since	1.7.0
deprecated	3.1.4 will be removed in 7.0 Will be removed without replacement Catch thrown Exceptions instead of getError

Arguments

i: intOption error index.
toString: boolIndicates if Exception objects should return their error message.

Response

stringError message

Return all errors, if any.

getErrors() : mixed||string|int

inherited deprecated

since	1.7.0
deprecated	3.1.4 will be removed in 7.0 Will be removed without replacement Catch thrown Exceptions instead of getErrors

Response

array<string|int, mixed>Array of error messages.

Get the columns from database table.

getFields( reload = false) :

inherited

since	1.7.0
throws	`UnexpectedValueException`

Arguments

reload: boolflag to reload cache

Response

mixedAn array of the field names, or false if an error occurs.

Returns the identity (primary key) value of this record

getId() :

inherited

since	4.0.0

Response

mixed

Static method to get an instance of a Table class if it can be found in the table include paths.

getInstance( type,  prefix = 'JTable', mixed||string|int config = []) : \Joomla\CMS\Table\Table|bool

inherited static deprecated

To add include paths for searching for Table classes see Table::addIncludePath().

since	1.7.0
deprecated	4.3 will be removed in 6.0 Use the MvcFactory instead or instantiate the table class directly. Example: Factory::getApplication()->bootComponent('...')->getMVCFactory()->createTable($name, $prefix, $config); $table = new \Joomla\CMS\Table\Content($db);

Arguments

type: stringThe type (name) of the Table class to get an instance of.
prefix: stringAn optional prefix for the table class name.
config: array<string|int, mixed>An optional array of configuration values for the Table object.

Response

Table|boolA Table object if found or boolean false on failure.

Method to get the primary key field name for the table.

getKeyName( multiple = false) :

inherited

since	1.7.0

Arguments

multiple: boolTrue to return all primary keys (as an array) or false to return just the first one (as a string).

Response

mixedArray of primary key field names or string containing the first primary key field.

Method to get the next ordering value for a group of rows defined by an SQL WHERE clause.

getNextOrder( where = '') :

inherited

This is useful for placing a new item last in a group of items in the table.

since	1.7.0
throws	`UnexpectedValueException`

Arguments

where: stringWHERE clause to use for selecting the MAX(ordering) for the table.

Response

intThe next ordering value.

Method to get an array of nodes from a given node to its root.

getPath( pk = null,  diagnostic = false) :

since	1.7.0
throws	`RuntimeException`on database error

Arguments

pk: intPrimary key of the node for which to get the path.
diagnostic: boolOnly select diagnostic data for the nested sets.

Response

mixedAn array of node objects including the start node.

Get the primary key values for this table using passed in values as a default.

getPrimaryKey(mixed||string|int keys = []) : mixed||string|int

inherited

since	3.1.4

Arguments

keys: array<string|int, mixed>Optional primary key values to use.

Response

array<string|int, mixed>An array of primary key names and values.

Returns an associative array of object properties.

getProperties( public = true) : mixed||string|int

inherited deprecated

since	1.7.0
see	CMSObject::get()
deprecated	4.3.0 will be removed in 7.0 Create a proper getter function for the property

Arguments

public: boolIf true, returns only the public properties.

Response

array<string|int, mixed>

Gets the ID of the root item in the tree

getRootId() :

since	1.7.0

Response

mixedThe primary id of the root row, or false if not found and the internal error is set.

Method to get the rules for the record.

getRules() : \Joomla\CMS\Access\Rules

inherited

since	1.7.0

Response

Rulesobject

Method to get the database table name for the class.

getTableName() :

inherited

since	1.7.0

Response

stringThe name of the database table being modeled.

Method to get a node and all its child nodes.

getTree( pk = null,  diagnostic = false) :

since	1.7.0
throws	`RuntimeException`on database error.

Arguments

pk: intPrimary key of the node for which to get the tree.
diagnostic: boolOnly select diagnostic data for the nested sets.

Response

mixedBoolean false on failure or array of node objects on success.

Check if the record has a property (applying a column alias if it exists)

hasField( key) :

inherited

since	3.9.11

Arguments

key: stringkey to be checked

Response

bool

Validate that the primary key has been set.

hasPrimaryKey() :

inherited

since	3.1.4

Response

boolTrue if the primary key(s) have been set.

Method to increment the hits for a row if the necessary property/field exists.

hit( pk = null) :

inherited

since	1.7.0
throws	`UnexpectedValueException`

Arguments

pk: mixedAn optional primary key value to increment. If not set the instance property value is used.

Response

boolTrue on success.

Method to determine if a row is checked out and therefore uneditable by a user.

isCheckedOut( with,  against = null) :

inherited

If the row is checked out by the same user, then it is considered not checked out -- as the user can still edit it.

since	1.7.0

Arguments

with: intThe user ID to perform the match with, if an item is checked out by this user the function will return false.
against: intThe user ID to perform the match against when the function is used as a static function.

Response

boolTrue if checked out.

Method to determine if a node is a leaf node in the tree (has no children).

isLeaf( pk = null) :

note	Since 3.0.0 this method returns null if the node does not exist.
since	1.7.0
throws	`RuntimeException`on database error.

Arguments

pk: intPrimary key of the node to check.

Response

boolTrue if a leaf node, false if not or null if the node does not exist.

Method to load a row from the database by primary key and bind the fields to the Table instance properties.

load( keys = null,  reset = true) :

inherited

since

1.7.0

throws

InvalidArgumentException

RuntimeException

UnexpectedValueException

Arguments

keys: mixedAn optional primary key value to load the row by, or an array of fields to match. If not set the instance property value is used.
reset: boolTrue to reset the default values before loading the new row.

Response

boolTrue if successful. False if row not found.

Method to move a row in the ordering sequence of a group of rows defined by an SQL WHERE clause.

move( delta,  where = '') :

Negative numbers move the row up in the sequence and positive numbers move it down.

since	1.7.0

Arguments

delta: intThe direction and magnitude to move the row in the ordering sequence.
where: stringWHERE clause to use for limiting the selection of rows to compact the ordering values.

Response

mixedBoolean true on success.

Method to move a node and its children to a new location in the tree.

moveByReference( referenceId,  position = 'after',  pk = null,  recursiveUpdate = true) :

since	1.7.0
throws	`RuntimeException`on database error.

Arguments

referenceId: intThe primary key of the node to reference new location by.
position: stringLocation type string. ['before', 'after', 'first-child', 'last-child']
pk: intThe primary key of the node to move.
recursiveUpdate: boolFlag indicate that method recursiveUpdatePublishedColumn should be call.

Response

boolTrue on success.

Method to move a node one position to the right in the same level.

orderDown( pk) :

since	1.7.0
throws	`RuntimeException`on database error.

Arguments

pk: intPrimary key of the node to move.

Response

boolTrue on success.

Method to move a node one position to the left in the same level.

orderUp( pk) :

since	1.7.0
throws	`RuntimeException`on database error.

Arguments

pk: intPrimary key of the node to move.

Response

boolTrue on success.

Method to set the publishing state for a node or list of nodes in the database table. The method respects rows checked out by other users and will attempt to checkin rows that it can after adjustments are made. The method will not allow you to set a publishing state higher than any ancestor node and will not allow you to set a publishing state on a node with a checked out child.

publish( pks = null,  state = 1,  userId) :

since	1.7.0
throws	`UnexpectedValueException`

Arguments

pks: mixedAn optional array of primary key values to update. If not set the instance property value is used.
state: intThe publishing state. eg. [0 = unpublished, 1 = published]
userId: intThe user id of the user performing the operation.

Response

boolTrue on success.

Method to recursively rebuild the whole nested set tree.

rebuild( parentId = null,  leftId,  level,  path = '') :

since	1.7.0
throws	`RuntimeException`on database error.

Arguments

parentId: intThe root of the tree to rebuild.
leftId: intThe left id to start with in building the tree.
level: intThe level to assign to the current nodes.
path: stringThe path to the current nodes.

Response

int1 + value of root rgt on success, false on failure

Method to rebuild the node's path field from the alias values of the nodes from the current node to the root node of the tree.

rebuildPath( pk = null) :

since	1.7.0

Arguments

pk: intPrimary key of the node for which to get the path.

Response

boolTrue on success.

Method to recursive update published column for children rows.

recursiveUpdatePublishedColumn( pk,  newState = null) :

since	3.7.0
throws	`RuntimeException`on database error.

Arguments

pk: intId number of row which published column was changed.
newState: intAn optional value for published column of row identified by $pk.

Response

boolTrue on success.

Method to compact the ordering values of rows in a group of rows defined by an SQL WHERE clause.

reorder(string|string[] where = '') :

inherited

since	1.7.0
throws	`UnexpectedValueException`

Arguments

where: string|array<string|int, string>WHERE clause to use for limiting the selection of rows to compact the ordering values.

Response

mixedBoolean True on success.

Method to reset class properties to the defaults set in the class definition. It will ignore the primary key as well as any private class properties (except $_errors).

reset() :

since	3.2.1

Response

void

Method to provide a shortcut to binding, checking and storing a Table instance to the database table.

save(array|object src,  orderingFilter = '', array|string ignore = '') :

inherited

The method will check a row in once the data has been stored and if an ordering filter is present will attempt to reorder the table rows based on the filter. The ordering filter is an instance property name. The rows that will be reordered are those whose value matches the Table instance for the property specified.

since	1.7.0

Arguments

src: array<string|int, mixed>|objectAn associative array or object to bind to the Table instance.
orderingFilter: stringFilter for the order updating
ignore: array<string|int, mixed>|stringAn optional array or space separated list of properties to ignore while binding.

Response

boolTrue on success.

Method to update order of table rows

saveorder(mixed||string|int idArray = null, mixed||string|int lftArray = null) : int|bool

since	1.7.0
throws	`Exception`on database error.

Arguments

idArray: array<string|int, mixed>id numbers of rows to be reordered.
lftArray: array<string|int, mixed>lft values of rows to be reordered.

Response

int|bool1 + value of root rgt on success, false on failure.

Modifies a property of the object, creating it if it does not already exist.

set( property,  value = null) :

inherited deprecated

since	1.7.0
deprecated	4.3.0 will be removed in 7.0 Create a proper setter function for the property

Arguments

property: stringThe name of the property.
value: mixedThe value of the property to set.

Response

mixedPrevious value of the property.

Method to register a column alias for a "special" column.

setColumnAlias( column,  columnAlias) :

inherited

since	3.4

Arguments

column: stringThe "special" column (ie ordering)
columnAlias: stringThe real column name (ie foo_ordering)

Response

void

Set the database.

setDatabase(\Joomla\Database\DatabaseInterface db) :

inherited

since	5.4.0
note	This method will be removed in 7.0 and DatabaseAwareTrait will be used instead.

Arguments

db: DatabaseInterfaceThe database.

Response

void

Method to set the DatabaseInterface object.

setDbo(\Joomla\Database\DatabaseInterface db) :

inherited deprecated

since	1.7.0
deprecated	5.4.0 will be removed in 7.0 Use setDatabase() instead Example: $this->setDatabase($db);

Arguments

db: DatabaseInterfaceA DatabaseInterface object to be used by the table object.

Response

boolTrue on success.

Add an error message.

setError( error) :

inherited deprecated

since	1.7.0
deprecated	3.1.4 will be removed in 7.0 Will be removed without replacement Throw an Exception instead of using setError

Arguments

error: stringError message.

Response

void

Method to set the location of a node in the tree object. This method does not save the new location to the database, but will set it in the object so that when the node is stored it will be stored in the new location.

setLocation( referenceId,  position = 'after') :

note	Since 3.0.0 this method returns void and throws an \InvalidArgumentException when an invalid position is passed.
see	Nested::$_validLocations
since	1.7.0
throws	`InvalidArgumentException`

Arguments

referenceId: intThe primary key of the node to reference new location by.
position: stringLocation type string.

Response

void

Set the object properties based on a named array/hash.

setProperties( properties) :

inherited deprecated

since	1.7.0
see	CMSObject::set()
deprecated	4.3.0 will be removed in 7.0 Create a proper setter function for the property

Arguments

properties: mixedEither an associative array or another object.

Response

bool

Method to set rules for the record.

setRules( input) :

inherited

since	1.7.0

Arguments

input: mixedA Rules object, JSON string, or array.

Response

void

If true then subclasses should throw exceptions rather than use getError and setError.

setUseExceptions( value) :

inherited deprecated

since	5.4.0
deprecated	7.0

Arguments

value: boolThe value to set for the field.

Response

void

If true then subclasses should throw exceptions rather than use getError and setError.

shouldUseExceptions() :

inherited deprecated

since	5.4.0
deprecated	7.0

Response

bool

Method to store a node in the database table.

store( updateNulls = false) :

since	1.7.0

Arguments

updateNulls: boolTrue to update null values as well.

Response

boolTrue on success.

An array of error messages or Exception objects.

inherited deprecated

since	1.7.0
deprecated	3.1.4 JError has been deprecated

Type(s)

array<string|int, mixed>

Use exceptions rather than getError/setError.

inherited deprecated

since	5.4.0
deprecated	7.0

Type(s)

bool

Name of the database table to model.

inherited

since	1.7.0

Type(s)

string

Name of the primary key field in the table.

inherited

since	1.7.0

Type(s)

string

Name of the primary key fields in the table.

inherited

since	3.0.1

Type(s)

array<string|int, mixed>

DatabaseInterface object.

inherited deprecated

since	1.7.0
deprecated	5.4.0 will be removed in 7.0 Use setDatabase() and getDatabase() instead Example: $this->setDatabase($db);

Type(s)

DatabaseInterface

Should rows be tracked as ACL assets?

inherited

since	1.7.0

Type(s)

bool

The rules associated with this record.

inherited

since	1.7.0

Type(s)

Rules

Indicator that the tables have been locked.

inherited

since	1.7.0

Type(s)

bool

Indicates that the primary keys autoincrement.

inherited

since	3.1.4

Type(s)

bool

Array with alias for "special" columns such as ordering, hits etc etc

inherited

since	3.4.0

Type(s)

array<string|int, mixed>

An array of key names to be json encoded in the bind function

inherited

since	3.3

Type(s)

array<string|int, mixed>

Indicates that columns fully support the NULL value in the database

inherited

since	3.10.0

Type(s)

bool

The UCM type alias. Used for tags, content versioning etc. Leave blank to effectively disable these features.

inherited

since	4.0.0

Type(s)

string

Object property holding the primary key of the parent node. Provides adjacency list data for nodes.

since	1.7.0

Type(s)

int

Object property holding the depth level of the node in the tree.

since	1.7.0

Type(s)

int

Object property holding the left value of the node for managing its placement in the nested sets tree.

since	1.7.0

Type(s)

int

Object property holding the right value of the node for managing its placement in the nested sets tree.

since	1.7.0

Type(s)

int

Object property holding the alias of this node used to construct the full text path, forward-slash delimited.

since	1.7.0

Type(s)

string

Object property to hold the location type to use when storing the row.

since	1.7.0
see	Nested::$_validLocations

Type(s)

string

Object property to hold the primary key of the location reference node to use when storing the row.

A combination of location type and reference node describes where to store the current node in the tree.

since	1.7.0

Type(s)

int

An array to cache values in recursive processes.

since	1.7.0

Type(s)

array<string|int, mixed>

Debug level

since	1.7.0

Type(s)

int

Cache for the root ID

static

since	3.3

Type(s)

int

Array declaring the valid location values for moving a node

since	3.7.0

Type(s)

array<string|int, mixed>

since	1.7.0
package	Joomla CMS

Nested

Methods

__construct

Arguments

Response

_getAssetName

Response

_getAssetParentId

Arguments

Response

_getAssetTitle

Response

_getNode

Arguments

Response

_getTreeRepositionData

Arguments

Response

_lock

Response

_logtable

Arguments

Response

_runQuery

Arguments

Response

_unlock

Response

addIncludePath

Arguments

Response

appendPrimaryKeys

Arguments

Response

bind

Arguments

Response

check

Response

checkIn

Arguments

Response

checkOut

Arguments

Response

debug

Arguments

Response

def

Arguments

Response

delete

Arguments

Response

get

Arguments

Response

getColumnAlias

Arguments

Response

getDatabase

Response

getDbo

Response

getError

Arguments

Response

getErrors

Response

getFields

Arguments

Response

getId

Response

getInstance

Arguments

Response

getKeyName

Arguments

Response