<?php
/**
* @package ACF
* @author WP Engine
*
* © 2025 Advanced Custom Fields (ACF®). All rights reserved.
* "ACF" is a trademark of WP Engine.
* Licensed under the GNU General Public License v2 or later.
* https://www.gnu.org/licenses/gpl-2.0.html
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
if ( ! class_exists( 'acf_fields' ) ) :
class acf_fields {
/**
* Contains an array of field type instances.
* @var array
*/
public $types = array();
/**
* This function will setup the class functionality
*
* @type function
* @date 5/03/2014
* @since 5.4.0
*
* @param n/a
* @return n/a
*/
function __construct() {
/* do nothing */
}
/**
* This function will register a field type instance based on a class name or instance.
* It will return the instance for further use.
*
* @since 5.4.0
*
* @param mixed $field_class Either a class name (string) or instance of acf_field.
* @return acf_field The instance of acf_field.
*/
public function register_field_type( $field_class ) {
// Allow registering an instance.
if ( $field_class instanceof acf_field ) {
$this->types[ $field_class->name ] = $field_class;
return $field_class;
}
// Allow registering a loaded class name.
$instance = new $field_class();
$this->types[ $instance->name ] = $instance;
return $instance;
}
/**
* This function will return a field type instance
*
* @type function
* @date 6/07/2016
* @since 5.4.0
*
* @param $name (string)
* @return (mixed)
*/
function get_field_type( $name ) {
return isset( $this->types[ $name ] ) ? $this->types[ $name ] : null;
}
/**
* This function will return true if a field type exists
*
* @type function
* @date 6/07/2016
* @since 5.4.0
*
* @param $name (string)
* @return (mixed)
*/
function is_field_type( $name ) {
return isset( $this->types[ $name ] );
}
/**
* This function will store a basic array of info about the field type
* to later be overriden by the above register_field_type function
*
* @type function
* @date 29/5/17
* @since 5.6.0
*
* @param $info (array)
* @return n/a
*/
function register_field_type_info( $info ) {
// convert to object
$instance = (object) $info;
$this->types[ $instance->name ] = $instance;
}
/**
* This function will return an array of all field types
*
* @type function
* @date 6/07/2016
* @since 5.4.0
*
* @param $name (string)
* @return (mixed)
*/
function get_field_types() {
return $this->types;
}
}
// initialize
acf()->fields = new acf_fields();
endif; // class_exists check
/**
* alias of acf()->fields->register_field_type()
*
* @type function
* @date 31/5/17
* @since 5.6.0
*
* @param n/a
* @return n/a
*/
function acf_register_field_type( $class ) {
return acf()->fields->register_field_type( $class );
}
/**
* alias of acf()->fields->register_field_type_info()
*
* @type function
* @date 31/5/17
* @since 5.6.0
*
* @param n/a
* @return n/a
*/
function acf_register_field_type_info( $info ) {
return acf()->fields->register_field_type_info( $info );
}
/**
* alias of acf()->fields->get_field_type()
*
* @type function
* @date 31/5/17
* @since 5.6.0
*
* @param n/a
* @return n/a
*/
function acf_get_field_type( $name ) {
return acf()->fields->get_field_type( $name );
}
/**
* alias of acf()->fields->get_field_types()
*
* @type function
* @date 31/5/17
* @since 5.6.0
*
* @param n/a
* @return n/a
*/
function acf_get_field_types( $args = array() ) {
// default
$args = wp_parse_args(
$args,
array(
'public' => true, // true, false
)
);
// get field types
$field_types = acf()->fields->get_field_types();
// filter
return wp_filter_object_list( $field_types, $args );
}
/**
* acf_get_field_types_info
*
* Returns an array containing information about each field type
*
* @date 18/6/18
* @since 5.6.9
*
* @param type $var Description. Default.
* @return type Description.
*/
function acf_get_field_types_info( $args = array() ) {
// vars
$data = array();
$field_types = acf_get_field_types();
// loop
foreach ( $field_types as $type ) {
$data[ $type->name ] = array_filter(
array(
'label' => $type->label,
'name' => $type->name,
'description' => $type->description,
'category' => $type->category,
'public' => $type->public,
'doc_url' => $type->doc_url,
'tutorial_url' => $type->tutorial_url,
'preview_image' => $type->preview_image,
'pro' => $type->pro,
)
);
}
// return
return $data;
}
/**
* alias of acf()->fields->is_field_type()
*
* @type function
* @date 31/5/17
* @since 5.6.0
*
* @param n/a
* @return n/a
*/
function acf_is_field_type( $name = '' ) {
return acf()->fields->is_field_type( $name );
}
/**
* This function will return a field type's property
*
* @type function
* @date 1/10/13
* @since 5.0.0
*
* @param n/a
* @return (array)
*/
function acf_get_field_type_prop( $name = '', $prop = '' ) {
$type = acf_get_field_type( $name );
return ( $type && isset( $type->$prop ) ) ? $type->$prop : null;
}
/**
* This function will return the label of a field type
*
* @type function
* @date 1/10/13
* @since 5.0.0
*
* @param n/a
* @return (array)
*/
function acf_get_field_type_label( $name = '' ) {
$label = acf_get_field_type_prop( $name, 'label' );
return $label ? $label : '<span class="acf-js-tooltip" title="' . __( 'Field type does not exist', 'acf' ) . '">' . __( 'Unknown', 'acf' ) . '</span>';
}
/**
* Returns the value of a field type "supports" property.
*
* @since 6.2.5
*
* @param string $name The name of the field type.
* @param string $prop The name of the supports property.
* @param mixed $default The default value if the property is not set.
*
* @return mixed The value of the supports property which may be false, or $default on failure.
*/
function acf_field_type_supports( $name = '', $prop = '', $default = false ) {
$supports = acf_get_field_type_prop( $name, 'supports' );
if ( ! is_array( $supports ) ) {
return $default;
}
return isset( $supports[ $prop ] ) ? $supports[ $prop ] : $default;
}
/**
*
* @deprecated
* @see acf_is_field_type()
*
* @type function
* @date 1/10/13
* @since 5.0.0
*
* @param $type (string)
* @return (boolean)
*/
function acf_field_type_exists( $type = '' ) {
return acf_is_field_type( $type );
}
/**
* Returns an array of localised field categories.
*
* @since 6.1
*
* @return array
*/
function acf_get_field_categories_i18n() {
$categories_i18n = array(
'basic' => __( 'Basic', 'acf' ),
'content' => __( 'Content', 'acf' ),
'choice' => __( 'Choice', 'acf' ),
'relational' => __( 'Relational', 'acf' ),
'advanced' => __( 'Advanced', 'acf' ),
'layout' => __( 'Layout', 'acf' ),
'pro' => __( 'PRO', 'acf' ),
);
return apply_filters( 'acf/localized_field_categories', $categories_i18n );
}
/**
* Returns an multi-dimentional array of field types "name => label" grouped by category
*
* @since 5.0.0
*
* @return array
*/
function acf_get_grouped_field_types() {
// vars
$types = acf_get_field_types();
$groups = array();
$l10n = acf_get_field_categories_i18n();
// loop
foreach ( $types as $type ) {
// translate
$cat = $type->category;
$cat = isset( $l10n[ $cat ] ) ? $l10n[ $cat ] : $cat;
// append
$groups[ $cat ][ $type->name ] = $type->label;
}
// filter
$groups = apply_filters( 'acf/get_field_types', $groups );
// return
return $groups;
}
/**
* Returns an array of tabs for a field type.
* We combine a list of default tabs with filtered tabs.
* I.E. Default tabs should be static and should not be changed by the
* filtered tabs.
*
* @since 6.1
*
* @return array Key/value array of the default settings tabs for field type settings.
*/
function acf_get_combined_field_type_settings_tabs() {
$default_field_type_settings_tabs = array(
'general' => __( 'General', 'acf' ),
'validation' => __( 'Validation', 'acf' ),
'presentation' => __( 'Presentation', 'acf' ),
'conditional_logic' => __( 'Conditional Logic', 'acf' ),
'advanced' => __( 'Advanced', 'acf' ),
);
$field_type_settings_tabs = (array) apply_filters( 'acf/field_group/additional_field_settings_tabs', array() );
// remove any default tab values from filter tabs.
foreach ( $field_type_settings_tabs as $key => $tab ) {
if ( isset( $default_field_type_settings_tabs[ $key ] ) ) {
unset( $field_type_settings_tabs[ $key ] );
}
}
$combined_field_type_settings_tabs = array_merge( $default_field_type_settings_tabs, $field_type_settings_tabs );
return $combined_field_type_settings_tabs;
}
/**
* Get the PRO only fields and their core metadata.
*
* @since 6.1
*
* @return array An array of all the pro field types and their field type selection required meta data.
*/
function acf_get_pro_field_types() {
return array(
'clone' => array(
'name' => 'clone',
'label' => _x( 'Clone', 'noun', 'acf' ),
'doc_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/clone/', 'docs', 'field-type-selection' ),
'preview_image' => acf_get_url() . '/assets/images/field-type-previews/field-preview-clone.png',
'description' => __( 'This allows you to select and display existing fields. It does not duplicate any fields in the database, but loads and displays the selected fields at run-time. The Clone field can either replace itself with the selected fields or display the selected fields as a group of subfields.', 'acf' ),
'tutorial_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/how-to-use-the-clone-field/', 'docs', 'field-type-selection' ),
'category' => 'layout',
'pro' => true,
),
'flexible_content' => array(
'name' => 'flexible_content',
'label' => __( 'Flexible Content', 'acf' ),
'doc_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/flexible-content/', 'docs', 'field-type-selection' ),
'preview_image' => acf_get_url() . '/assets/images/field-type-previews/field-preview-flexible-content.png',
'description' => __( 'This provides a simple, structured, layout-based editor. The Flexible Content field allows you to define, create and manage content with total control by using layouts and subfields to design the available blocks.', 'acf' ),
'tutorial_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/building-layouts-with-the-flexible-content-field-in-a-theme/', 'docs', 'field-type-selection' ),
'category' => 'layout',
'pro' => true,
),
'gallery' => array(
'name' => 'gallery',
'label' => __( 'Gallery', 'acf' ),
'doc_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/gallery/', 'docs', 'field-type-selection' ),
'preview_image' => acf_get_url() . '/assets/images/field-type-previews/field-preview-gallery.png',
'description' => __( 'This provides an interactive interface for managing a collection of attachments. Most settings are similar to the Image field type. Additional settings allow you to specify where new attachments are added in the gallery and the minimum/maximum number of attachments allowed.', 'acf' ),
'tutorial_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/how-to-use-the-gallery-field/', 'docs', 'field-type-selection' ),
'category' => 'content',
'pro' => true,
),
'repeater' => array(
'name' => 'repeater',
'label' => __( 'Repeater', 'acf' ),
'doc_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/repeater/', 'docs', 'field-type-selection' ),
'preview_image' => acf_get_url() . '/assets/images/field-type-previews/field-preview-repeater.png',
'description' => __( 'This provides a solution for repeating content such as slides, team members, and call-to-action tiles, by acting as a parent to a set of subfields which can be repeated again and again.', 'acf' ),
'tutorial_url' => acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/repeater/how-to-use-the-repeater-field/', 'docs', 'field-type-selection' ),
'category' => 'layout',
'pro' => true,
),
);
}
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