Fieldpost_relation

Post Relation Field

Field type: postrelation Renderer class: WPContent Aliases using the same renderer: cptselect, pageselect, postautocomplete, postcheckbox, postradio, postselect

Post Relation Field

Field type: post_relation
Renderer class: WPContent
Aliases using the same renderer: cpt_select, page_select, post_autocomplete, post_checkbox, post_radio, post_select

Purpose

Multiple post relationship selector.

Value shape

Array of selected values/IDs.

Supported attributes

Common attributes

Attribute Type Description
id string Required for data-saving fields. Unique key inside the option/meta array. Required for saving.
type string Required. Field type slug, for example text, select, or repeater.
title string Main field label displayed in the left column.
subtitle string Small helper text below the field title.
desc string/html Description displayed below the control. Limited HTML is allowed.
default mixed Default value used when there is no saved value yet.
placeholder string Placeholder text for input/select-like fields when supported.
dependency array Conditional visibility rules. Example: [ "field" => "enable", "operator" => "==", "value" => 1 ].
sanitize_callback callable Custom sanitizer callback. Receives $value and $field.

Field-specific attributes

| Attribute | Type | Description | |---|---:|---| | limit | int | Maximum items to load/show. | | multiple | bool | Allow selecting more than one value. Saved value becomes an array. | | order | string | ASC or DESC. | | orderby | string | Post query orderby value such as date, title, or menu_order. | | post_status | string|array | Post status filter. Usually publish. | | post_type | string|array | Post type or list of post types to query. | | variant | string | Renderer variant, for example select, checkbox, radio, autocomplete, or relation. |

Options Framework example

KAVRO::createSection( $prefix, array(
    'title'  => 'Post Relation Example',
    'fields' => array(
        array(
            'id' => 'demo_post_relation',
            'type' => 'post_relation',
            'title' => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc' => 'This is a documented post_relation field example.',
            'post_type' => 'post',
            'post_status' => 'publish',
            'limit' => 20,
            'default' => array(
                'one',
                'two',
            ),
        ),
    ),
) );

Metabox example

KAVRO::createSection( $metabox_prefix, array(
    'title'  => 'Post Relation Meta',
    'fields' => array(
        array(
            'id' => 'demo_post_relation',
            'type' => 'post_relation',
            'title' => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc' => 'This is a documented post_relation field example.',
            'post_type' => 'post',
            'post_status' => 'publish',
            'limit' => 20,
            'default' => array(
                'one',
                'two',
            ),
        ),
    ),
) );

Customizer example

$customize_prefix = 'kavro_customize_demo';

KAVRO::createCustomizeOptions( $customize_prefix, array(
    'title' => 'Kavro Customizer Demo',
) );

KAVRO::createSection( $customize_prefix, array(
    'title'  => 'Post Relation Customizer',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Taxonomy Options example

$taxonomy_prefix = 'kavro_taxonomy_demo';

KAVRO::createTaxonomyOptions( $taxonomy_prefix, array(
    'taxonomy' => array( 'category', 'post_tag' ),
) );

KAVRO::createSection( $taxonomy_prefix, array(
    'title'  => 'Post Relation Term Field',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Profile/User Options example

$profile_prefix = 'kavro_profile_demo';

KAVRO::createProfileOptions( $profile_prefix, array(
    'roles' => array( 'administrator', 'editor' ),
) );

KAVRO::createSection( $profile_prefix, array(
    'title'  => 'Post Relation User Field',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Nav Menu Options example

$nav_menu_prefix = 'kavro_nav_menu_demo';

KAVRO::createNavMenuOptions( $nav_menu_prefix, array(
    'title' => 'Kavro Menu Item Options',
) );

KAVRO::createSection( $nav_menu_prefix, array(
    'title'  => 'Post Relation Menu Item Field',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Widget Options example

$widget_prefix = 'kavro_widget_demo';

KAVRO::createWidgetOptions( $widget_prefix, array(
    'title' => 'Kavro Widget Options',
) );

KAVRO::createSection( $widget_prefix, array(
    'title'  => 'Post Relation Widget Field',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Comment Options example

$comment_prefix = 'kavro_comment_demo';

KAVRO::createCommentOptions( $comment_prefix, array(
    'title' => 'Kavro Comment Options',
) );

KAVRO::createSection( $comment_prefix, array(
    'title'  => 'Post Relation Comment Field',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Shortcode Framework example

KAVRO::createShortcode( 'kavro_demo_shortcode', array(
    'title'  => 'Kavro Demo Shortcode',
    'tag'    => 'kavro_demo',
    'fields' => array(
        array(
            'id'       => 'demo_post_relation',
            'type'     => 'post_relation',
            'title'    => 'Post Relation',
            'subtitle' => 'Post Relation field example.',
            'desc'     => 'This example uses the same field configuration in this framework context.',
        ),
    ),
) );

Get saved value

From Options Framework

$value = kavro_get_option( $prefix, 'demo_post_relation', null );

From Metabox

$value = kavro_get_post_meta( get_the_ID(), $metabox_prefix, 'demo_post_relation', null );

From Customizer

$value = get_theme_mod( 'demo_post_relation', null );

From Taxonomy Options

$value = kavro_get_term_meta( $term_id, $taxonomy_prefix, 'demo_post_relation', null );

From Profile/User Options

$value = kavro_get_user_meta( $user_id, $profile_prefix, 'demo_post_relation', null );

From Nav Menu Options

$value = kavro_get_nav_menu_item_meta( $menu_item_id, $nav_menu_prefix, 'demo_post_relation', null );

From Widget Options

$value = kavro_get_widget_option( $widget_id, $widget_prefix, 'demo_post_relation', null );

From Comment Options

$value = kavro_get_comment_meta( $comment_id, $comment_prefix, 'demo_post_relation', null );

From Shortcode Framework

Shortcode field values are passed to the shortcode callback as attributes or normalized settings depending on your shortcode registration callback.

$value = isset( $atts['demo_post_relation'] ) ? $atts['demo_post_relation'] : null;

Notes

This field queries WordPress data. Keep limit reasonable on large sites and prefer AJAX/autocomplete variants for large datasets.