Field class

Field represents a custom field that is used on a Page.

// Get an instance of Field
$field = $fields->get('field_name');

Field objects are managed by the $fields API variable.

Click any linked item for full usage details and examples. Hookable methods are indicated with the icon. In addition to those shown below, the Field class also inherits all the methods and properties of: WireData and Wire.

Common

Name	Return	Summary
$field->addTag() $field->addTag(string $tag) $field->addTag(string $tag)	`array`	Add one or more tags
$field->debugInfoSmall() $field->debugInfoSmall() $field->debugInfoSmall()	(nothing)
$field->editUrl() $field->editUrl() $field->editUrl($options = [])	`string`	Get URL to edit field in the admin
$field->getContexts() $field->getContexts() $field->getContexts()	`array`	Get all contexts this field is used in
$field->getTags() $field->getTags() $field->getTags($getString = false)	`array` `string`	Get tags
$field->hasTag() $field->hasTag(string $tag) $field->hasTag(string $tag)	`bool`	Return true if this field has the given tag or false if not
$field->removeTag() $field->removeTag(string $tag) $field->removeTag(string $tag)	`array`	Remove a tag
$field->setSetupName() $field->setSetupName() $field->setSetupName(string $setupName = null)	`string`	Set setup name from Fieldtype to apply when field is saved

Retrieval

Name	Return	Summary
$field->get() $field->get(string $key) $field->get(string $key)	`mixed`	Get a Field setting or dynamic data property
$field->getConfigInputfields() $field->getConfigInputfields() $field->getConfigInputfields()	`InputfieldWrapper`	Get any Inputfields needed to configure the field in the admin.
$field->getContext() $field->getContext($for) $field->getContext($for, string $namespace = '', bool $has = false)	`Field` `bool`	Get this field in context of a Page/Template
$field->getDescription() $field->getDescription() $field->getDescription($language = null)	`string`	Return field description for current language, or another specified language.
$field->getFieldgroups() $field->getFieldgroups() $field->getFieldgroups(bool $getCount = false)	`FieldgroupsArray` `int`	Return the list of Fieldgroups using this field.
$field->getFieldtype() $field->getFieldtype() $field->getFieldtype()	`Fieldtype` `null` `string`	Return the Fieldtype module representing this field’s type.
$field->getIcon() $field->getIcon() $field->getIcon(bool $prefix = false)	`mixed` `string`	Return the icon used by this field, or blank if none.
$field->getInputfield() $field->getInputfield(Page $page) $field->getInputfield(Page $page, string $contextStr = '')	`Inputfield` `null`	Get the Inputfield module used to collect input for this field.
$field->getLabel() $field->getLabel() $field->getLabel($language = null)	`string`	Get field label for current language, or another specified language.
$field->getNotes() $field->getNotes() $field->getNotes($language = null)	`string`	Return field notes for current language, or another specified language.
$field->getTable() $field->getTable() $field->getTable()	`string`	Get the database table used by this field.
$field->getTemplates() $field->getTemplates() $field->getTemplates(bool $getCount = false)	`TemplatesArray` `int`	Return the list of of Templates using this field.
$field->hasContext() $field->hasContext($for) $field->hasContext($for, string $namespace = '')	`Field` `bool`	Does this field have context settings for given Page/Template?
$field->numFieldgroups() $field->numFieldgroups() $field->numFieldgroups()	`int`	Return the number of Fieldgroups this field is used in.

Manipulation

Name	Return	Summary
$field->save() $field->save() $field->save()	`bool`	Save this field’s settings and data in the database.
$field->set() $field->set(string $key, mixed $value) $field->set(string $key, mixed $value)	`Field` `WireData`	Set a native setting or a dynamic data property for this Field
$field->setDescription() $field->setDescription(string $text) $field->setDescription(string $text, $language = null)	(nothing)	Set description, optionally for a specific language
$field->setFieldtype() $field->setFieldtype($type) $field->setFieldtype($type)	`Field`	Set what type of field this is (Fieldtype).
$field->setIcon() $field->setIcon(string $icon) $field->setIcon(string $icon)	`$this`	Set the icon for this field
$field->setLabel() $field->setLabel(string $text) $field->setLabel(string $text, $language = null)	(nothing)	Set label, optionally for a specific language
$field->setName() $field->setName(string $name) $field->setName(string $name)	`Field`	Set the field’s name
$field->setNotes() $field->setNotes(string $text) $field->setNotes(string $text, $language = null)	(nothing)	Set notes, optionally for a specific language
$field->setRoles() $field->setRoles(string $type, $roles) $field->setRoles(string $type, $roles)	(nothing)	Set the roles that are allowed to view or edit this field on pages.

Access

Name	Return	Summary
$field->editRoles	`array`	Role IDs with edit access, applicable only if access control is enabled.
$field->editable() $field->editable() $field->editable($page = null, $user = null)	`bool`	Is this field editable?
$field->useRoles	`bool`	Whether or not access control is enabled
$field->viewRoles	`array`	Role IDs with view access, applicable only if access control is enabled.
$field->viewable() $field->viewable() $field->viewable($page = null, $user = null)	`bool`	Is this field viewable?

Advanced

Name	Return	Summary
$field->setTable() $field->setTable() $field->setTable($table = null)	(nothing)	Set an override table name, or omit (or null) to restore default table name

Flags

Name	Return	Summary
$field->addFlag() $field->addFlag(int $flag) $field->addFlag(int $flag)	`$this`	Add the given bitmask flag
Field::flagAccess const	32	Field is access controlled
Field::flagAccessAPI const	64	If field is access controlled, this flag says that values are still front-end API accessible Without this flag, non-viewable values are made blank when output formatting is ON.
Field::flagAccessEditor const	128	If field is access controlled and user has no edit access, they can still view in the editor (if they have view permission) Without this flag, non-editable values are simply not shown in the editor at all.
Field::flagAutojoin const	1	Field should be automatically joined to the page at page load time
Field::flagFieldgroupContext const	2048	Field has been placed in a runtime state where it is contextual to a specific fieldgroup and is no longer saveable
Field::flagGlobal const	4	Field used by all fieldgroups - all fieldgroups required to contain this field
Field::flagPermanent const	16	Field is permanent in any fieldgroups/templates where it exists - it may not be removed from them
Field::flagSystem const	8	Field is a system field and may not be deleted, have it's name changed, or be converted to non-system
Field::flagSystemOverride const	32768	Set this flag to override system/permanent flags if necessary - once set, system/permanent flags can be removed, but not in the same set().
Field::flagUnique const	256	Field requires that the same value is not repeated more than once in its table 'data' column (when supported by Fieldtype) When this flag is set and there is a non-empty $flagUnique property on the field, then it indicates a unique index is currently present. When only this flag is present (no property), it indicates a request to remove the index and flag. When only the property is present (no flag), it indicates a pending request to add unique index and flag. @since 3.0.150
$field->hasFlag() $field->hasFlag(int $flag) $field->hasFlag(int $flag)	`bool`	Does this field have the given bitmask flag?
$field->removeFlag() $field->removeFlag(int $flag) $field->removeFlag(int $flag)	`$this`	Remove the given bitmask flag

Properties

Name	Return	Summary
$field->allowContexts	`array`	Names of settings that are custom configured to be allowed for context.
$field->collapsed	`int` `null`	The Inputfield 'collapsed' value (see Inputfield collapsed constants).
$field->columnWidth	`int` `null`	The Inputfield column width (percent) 10-100.
$field->description	`string`	Longer description text for the field
$field->flags	`int`	Bitmask of flags used by this field
$field->flagsStr	`string`	Names of flags used by this field (readonly)
$field->icon	`string`	Icon name used by the field, if applicable
$field->id	`int`	Numeric ID of field in the database
$field->label	`string`	Text string representing the label of the field
$field->name	`string`	Name of field
$field->notes	`string`	Additional notes text about the field
$field->prevFieldtype	`Fieldtype` `null`	Previous Fieldtype, if type was changed
$field->prevName	`string`	Previously used name (if field was renamed), 3.0.164+
$field->prevTable	`string`	Previously database table (if field was renamed)
$field->required	`int` `bool` `null`	Whether or not this field is required during input
$field->requiredIf	`string` `null`	A selector-style string that defines the conditions under which input is required
$field->showIf	`string` `null`	A selector-style string that defines the conditions under which the Inputfield is shown
$field->table	`string`	Database table used by the field
$field->tagList	`array`	Same as $tags property, but as an array.
$field->tags	`string`	Tags that represent this field, if applicable (space separated string).
$field->textFormat	`int` `null`	The Inputfield 'textFormat' value (see Inputfield textFormat constants).
$field->type	`Fieldtype` `null`	Fieldtype module that represents the type of this field

Additional methods and properties

In addition to the methods and properties above, Field also inherits the methods and properties of these classes:

API reference based on ProcessWire core version 3.0.236