Categories
- Type
- Class
- Namespace
- craft\services
- Inherits
- craft\services\Categories » yii\base\Component (opens new window) » yii\base\BaseObject (opens new window)
- Implements
- yii\base\Configurable (opens new window)
- Since
- 3.0.0
Categories service.
An instance of the Categories service is globally accessible in Craft via Craft::$app->categories.
View source (opens new window)
# Public Properties
| Property | Description |
|---|---|
| allGroupIds | integer (opens new window)[] |
| allGroups | craft\models\CategoryGroup[] |
| behaviors (opens new window) | yii\base\Behavior (opens new window) – List of behaviors attached to this component |
| editableGroupIds | integer (opens new window)[] |
| editableGroups | craft\models\CategoryGroup[] |
| totalGroups | integer (opens new window) |
# allGroupIds
- Type
- integer (opens new window)[]
- Default value
null- Access
- Read-only
View source (opens new window)
# allGroups
- Type
- craft\models\CategoryGroup[]
- Default value
null- Access
- Read-only
View source (opens new window)
# editableGroupIds
- Type
- integer (opens new window)[]
- Default value
null- Access
- Read-only
View source (opens new window)
# editableGroups
- Type
- craft\models\CategoryGroup[]
- Default value
null- Access
- Read-only
View source (opens new window)
# totalGroups
- Type
- integer (opens new window)
- Default value
null- Access
- Read-only
View source (opens new window)
# Public Methods
| Method | Description |
|---|---|
| __call() (opens new window) | Calls the named method which is not a class method. |
| __clone() (opens new window) | This method is called after the object is created by cloning an existing one. |
| __construct() (opens new window) | Constructor. |
| __get() (opens new window) | Returns the value of an object property. |
| __isset() (opens new window) | Checks if a property is set, i.e. defined and not null. |
| __serialize() | Serializer |
| __set() (opens new window) | Sets value of an object property. |
| __unset() (opens new window) | Sets an object property to null. |
| applyBranchLimitToCategories() | Filters an array of categories down to only <= X branches. |
| attachBehavior() (opens new window) | Attaches a behavior to this component. |
| attachBehaviors() (opens new window) | Attaches a list of behaviors to the component. |
| behaviors() (opens new window) | Returns a list of behaviors that this component should behave as. |
| canGetProperty() (opens new window) | Returns a value indicating whether a property can be read. |
| canSetProperty() (opens new window) | Returns a value indicating whether a property can be set. |
| className() (opens new window) | Returns the fully qualified name of this class. |
| deleteGroup() | Deletes a category group. |
| deleteGroupById() | Deletes a category group by its ID. |
| detachBehavior() (opens new window) | Detaches a behavior from the component. |
| detachBehaviors() (opens new window) | Detaches all behaviors from the component. |
| ensureBehaviors() (opens new window) | Makes sure that the behaviors declared in behaviors() (opens new window) are attached to this component. |
| fillGapsInCategories() | Patches an array of categories, filling in any gaps in the tree. |
| getAllGroupIds() | Returns all of the group IDs. |
| getAllGroups() | Returns all category groups. |
| getBehavior() (opens new window) | Returns the named behavior object. |
| getBehaviors() (opens new window) | Returns all behaviors attached to this component. |
| getCategoryById() | Returns a category by its ID. |
| getEditableGroupIds() | Returns all of the category group IDs that are editable by the current user. |
| getEditableGroups() | Returns all editable groups. |
| getGroupByHandle() | Returns a group by its handle. |
| getGroupById() | Returns a group by its ID. |
| getGroupByUid() | Returns a group by its UID. |
| getGroupSiteSettings() | Returns a group's site settings. |
| getTotalGroups() | Gets the total number of category groups. |
| handleChangedCategoryGroup() | Handle category group change |
| handleDeletedCategoryGroup() | Handle Category group getting deleted |
| hasEventHandlers() (opens new window) | Returns a value indicating whether there is any handler attached to the named event. |
| hasMethod() (opens new window) | Returns a value indicating whether a method is defined. |
| hasProperty() (opens new window) | Returns a value indicating whether a property is defined. |
| init() (opens new window) | Initializes the object. |
| isGroupTemplateValid() | Returns whether a group’s categories have URLs for the given site ID, and if the group’s template path is valid. |
| off() (opens new window) | Detaches an existing event handler from this component. |
| on() (opens new window) | Attaches an event handler to an event. |
| pruneDeletedField() | Prune a deleted field from category group layouts. |
| pruneDeletedSite() | Prune a deleted site from category group site settings. |
| saveGroup() | Saves a category group. |
| trigger() (opens new window) | Triggers an event. |
# __serialize()
Serializer
View source (opens new window)
# applyBranchLimitToCategories()
Filters an array of categories down to only <= X branches.
View source (opens new window)
Arguments
$categories(craft\elements\Category[])$branchLimit(integer (opens new window))
# deleteGroup()
Deletes a category group.
View source (opens new window)
Arguments
$group(craft\models\CategoryGroup) – The category group
Returns
boolean (opens new window) – Whether the category group was deleted successfully
# deleteGroupById()
- Since
- 3.0.12
Deletes a category group by its ID.
View source (opens new window)
Arguments
$groupId(integer (opens new window)) – The category group's ID
Returns
boolean (opens new window) – Whether the category group was deleted successfully
Throws
- Throwable (opens new window)
if reasons
# fillGapsInCategories()
Patches an array of categories, filling in any gaps in the tree.
View source (opens new window)
Arguments
$categories(craft\elements\Category[])
# getAllGroupIds()
Returns all of the group IDs.
View source (opens new window)
Returns
# getAllGroups()
Returns all category groups.
View source (opens new window)
Returns
# getCategoryById()
Returns a category by its ID.
View source (opens new window)
Arguments
$categoryId(integer (opens new window))$siteId(integer (opens new window), null (opens new window))
Returns
craft\elements\Category, null (opens new window)
# getEditableGroupIds()
Returns all of the category group IDs that are editable by the current user.
View source (opens new window)
Returns
# getEditableGroups()
Returns all editable groups.
View source (opens new window)
Returns
# getGroupByHandle()
Returns a group by its handle.
View source (opens new window)
Arguments
$groupHandle(string (opens new window))
Returns
craft\models\CategoryGroup, null (opens new window)
# getGroupById()
Returns a group by its ID.
View source (opens new window)
Arguments
$groupId(integer (opens new window))
Returns
craft\models\CategoryGroup, null (opens new window)
# getGroupByUid()
- Since
- 3.1.0
Returns a group by its UID.
View source (opens new window)
Arguments
$uid(string (opens new window))
Returns
craft\models\CategoryGroup, null (opens new window)
# getGroupSiteSettings()
Returns a group's site settings.
View source (opens new window)
Arguments
$groupId(integer (opens new window))
Returns
craft\models\CategoryGroup_SiteSettings[]
# getTotalGroups()
Gets the total number of category groups.
View source (opens new window)
Returns
# handleChangedCategoryGroup()
Handle category group change
View source (opens new window)
Arguments
$event(craft\events\ConfigEvent)
# handleDeletedCategoryGroup()
Handle Category group getting deleted
View source (opens new window)
Arguments
$event(craft\events\ConfigEvent)
# isGroupTemplateValid()
Returns whether a group’s categories have URLs for the given site ID, and if the group’s template path is valid.
View source (opens new window)
Arguments
$group(craft\models\CategoryGroup)$siteId(integer (opens new window))
Returns
# pruneDeletedField()
Prune a deleted field from category group layouts.
View source (opens new window)
Arguments
$event(craft\events\FieldEvent)
# pruneDeletedSite()
Prune a deleted site from category group site settings.
View source (opens new window)
Arguments
$event(craft\events\DeleteSiteEvent)
# saveGroup()
Saves a category group.
View source (opens new window)
Arguments
$group(craft\models\CategoryGroup) – The category group to be saved$runValidation(boolean (opens new window)) – Whether the category group should be validated
Returns
boolean (opens new window) – Whether the category group was saved successfully
Throws
- craft\errors\CategoryGroupNotFoundException
if $group has an invalid ID - Throwable (opens new window)
if reasons
# Constants
| Constant | Description |
|---|---|
CONFIG_CATEGORYROUP_KEY |
# Events
# EVENT_AFTER_DELETE_GROUP
The event that is triggered after a category group is deleted.
# EVENT_AFTER_SAVE_GROUP
The event that is triggered after a category group is saved.
# EVENT_BEFORE_APPLY_GROUP_DELETE
- Type
- craft\events\CategoryGroupEvent
- Since
- 3.1.0
The event that is triggered before a category group delete is applied to the database.
# EVENT_BEFORE_DELETE_GROUP
The event that is triggered before a category group is deleted.
# EVENT_BEFORE_SAVE_GROUP
The event that is triggered before a category group is saved.