<?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
*/
/**
* Returns a WordPress object type.
*
* @date 1/4/20
* @since 5.9.0
*
* @param string $object_type The object type (post, term, user, etc).
* @param string $object_subtype Optional object subtype (post type, taxonomy).
* @return object
*/
function acf_get_object_type( $object_type, $object_subtype = '' ) {
$props = array(
'type' => $object_type,
'subtype' => $object_subtype,
'name' => '',
'label' => '',
'icon' => '',
);
// Set unique identifier as name.
if ( $object_subtype ) {
$props['name'] = "$object_type/$object_subtype";
} else {
$props['name'] = $object_type;
}
// Set label and icon.
switch ( $object_type ) {
case 'post':
if ( $object_subtype ) {
$post_type = get_post_type_object( $object_subtype );
if ( $post_type ) {
$props['label'] = $post_type->labels->name;
if ( is_string( $post_type->menu_icon ) && ! preg_match( '/^[\w\-]+$/', $post_type->menu_icon ) ) {
$post_type->menu_icon = false;
}
$props['icon'] = acf_with_default( $post_type->menu_icon, 'dashicons-admin-post' );
} else {
return false;
}
} else {
$props['label'] = __( 'Posts', 'acf' );
$props['icon'] = 'dashicons-admin-post';
}
break;
case 'term':
if ( $object_subtype ) {
$taxonomy = get_taxonomy( $object_subtype );
if ( $taxonomy ) {
$props['label'] = $taxonomy->labels->name;
} else {
return false;
}
} else {
$props['label'] = __( 'Taxonomies', 'acf' );
}
$props['icon'] = 'dashicons-tag';
break;
case 'attachment':
$props['label'] = __( 'Attachments', 'acf' );
$props['icon'] = 'dashicons-admin-media';
break;
case 'comment':
$props['label'] = __( 'Comments', 'acf' );
$props['icon'] = 'dashicons-admin-comments';
break;
case 'widget':
$props['label'] = __( 'Widgets', 'acf' );
$props['icon'] = 'dashicons-screenoptions';
break;
case 'menu':
$props['label'] = __( 'Menus', 'acf' );
$props['icon'] = 'dashicons-admin-appearance';
break;
case 'menu_item':
$props['label'] = __( 'Menu items', 'acf' );
$props['icon'] = 'dashicons-admin-appearance';
break;
case 'user':
$props['label'] = __( 'Users', 'acf' );
$props['icon'] = 'dashicons-admin-users';
break;
case 'option':
$props['label'] = __( 'Options', 'acf' );
$props['icon'] = 'dashicons-admin-generic';
break;
case 'block':
$props['label'] = __( 'Blocks', 'acf' );
$props['icon'] = 'dashicons-block-default';
break;
default:
return false;
}
// Convert to object.
$object = (object) $props;
/**
* Filters the object type.
*
* @date 6/4/20
* @since 5.9.0
*
* @param object $object The object props.
* @param string $object_type The object type (post, term, user, etc).
* @param string $object_subtype Optional object subtype (post type, taxonomy).
*/
return apply_filters( 'acf/get_object_type', $object, $object_type, $object_subtype );
}
/**
* Decodes a post_id value such as 1 or "user_1" into an array containing the type and ID.
*
* @date 25/1/19
* @since 5.7.11
*
* @param (int|string) $post_id The post id.
* @return array
*/
function acf_decode_post_id( $post_id = 0 ) {
$type = '';
$id = 0;
// Interpret numeric value (123).
if ( is_numeric( $post_id ) ) {
$type = 'post';
$id = $post_id;
// Interpret string value ("user_123" or "option").
} elseif ( is_string( $post_id ) ) {
$i = strrpos( $post_id, '_' );
if ( $i > 0 ) {
$type = substr( $post_id, 0, $i );
$id = substr( $post_id, $i + 1 );
} else {
$type = $post_id;
$id = '';
}
// Handle incorrect param type.
} else {
return compact( 'type', 'id' );
}
// Validate props based on param format.
$format = $type . '_' . ( is_numeric( $id ) ? '%d' : '%s' );
switch ( $format ) {
case 'post_%d':
$type = 'post';
$id = absint( $id );
break;
case 'term_%d':
$type = 'term';
$id = absint( $id );
break;
case 'attachment_%d':
$type = 'post';
$id = absint( $id );
break;
case 'comment_%d':
$type = 'comment';
$id = absint( $id );
break;
case 'widget_%s':
case 'widget_%d':
$type = 'option';
$id = $post_id;
break;
case 'menu_%d':
$type = 'term';
$id = absint( $id );
break;
case 'menu_item_%d':
$type = 'post';
$id = absint( $id );
break;
case 'user_%d':
$type = 'user';
$id = absint( $id );
break;
case 'block_%s':
case 'block_%d':
$type = 'block';
$id = $post_id;
break;
case 'option_%s':
$type = 'option';
$id = $post_id;
break;
case 'blog_%d':
case 'site_%d':
// Allow backwards compatibility for custom taxonomies.
$type = taxonomy_exists( $type ) ? 'term' : 'blog';
$id = absint( $id );
break;
case 'woo_order_%d':
$type = 'woo_order';
$id = absint( $id );
break;
default:
// Check for taxonomy name.
if ( taxonomy_exists( $type ) && is_numeric( $id ) ) {
$type = 'term';
$id = absint( $id );
break;
}
// Treat unknown post_id format as an option.
$type = 'option';
$id = $post_id;
break;
}
/**
* Filters the decoded post_id information.
*
* @date 25/1/19
* @since 5.7.11
*
* @param array $props An array containing "type" and "id" information.
* @param (int|string) $post_id The post id.
*/
return apply_filters( 'acf/decode_post_id', compact( 'type', 'id' ), $post_id );
}
/**
* Determine the REST base for a post type or taxonomy object. Note that this is not intended for use
* with term or post objects but is, instead, to be used with the underlying WP_Post_Type and WP_Taxonomy
* instances.
*
* @param WP_Post_Type|WP_Taxonomy $type_object
* @return string|null
*/
function acf_get_object_type_rest_base( $type_object ) {
if ( $type_object instanceof WP_Post_Type || $type_object instanceof WP_Taxonomy ) {
return ! empty( $type_object->rest_base ) ? $type_object->rest_base : $type_object->name;
}
return null;
}
/**
* Extract the ID of a given object/array. This supports all expected types handled by our update_fields() and
* load_fields() callbacks.
*
* @param WP_Post|WP_User|WP_Term|WP_Comment|array $object
* @return integer|mixed|null
*/
function acf_get_object_id( $object ) {
if ( is_object( $object ) ) {
switch ( get_class( $object ) ) {
case WP_User::class:
case WP_Post::class:
return (int) $object->ID;
case WP_Term::class:
return (int) $object->term_id;
case WP_Comment::class:
return (int) $object->comment_ID;
}
} elseif ( isset( $object['id'] ) ) {
return (int) $object['id'];
} elseif ( isset( $object['ID'] ) ) {
return (int) $object['ID'];
}
return null;
}
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