761 lines
20 KiB
PHP
761 lines
20 KiB
PHP
<?php
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if ( ! class_exists( 'acf_field_post_object' ) ) :
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class acf_field_post_object extends acf_field {
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/**
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* This function will setup the field type data
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*
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* @since 5.0.0
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*/
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public function initialize() {
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$this->name = 'post_object';
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$this->label = __( 'Post Object', 'acf' );
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$this->category = 'relational';
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$this->description = __( 'An interactive and customizable UI for picking one or many posts, pages or post type items with the option to search. ', 'acf' );
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$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-post-object.png';
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$this->doc_url = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/post-object/', 'docs', 'field-type-selection' );
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$this->defaults = array(
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'post_type' => array(),
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'taxonomy' => array(),
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'allow_null' => 0,
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'multiple' => 0,
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'return_format' => 'object',
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'ui' => 1,
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'bidirectional_target' => array(),
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);
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// extra
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add_action( 'wp_ajax_acf/fields/post_object/query', array( $this, 'ajax_query' ) );
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add_action( 'wp_ajax_nopriv_acf/fields/post_object/query', array( $this, 'ajax_query' ) );
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add_filter( 'acf/conditional_logic/choices', array( $this, 'render_field_post_object_conditional_choices' ), 10, 3 );
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}
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/**
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* Filters choices in post object conditions.
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*
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* @since 6.3
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*
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* @param array $choices The selected choice.
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* @param array $conditional_field The conditional field settings object.
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* @param string $rule_value The rule value.
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* @return array
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*/
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public function render_field_post_object_conditional_choices( $choices, $conditional_field, $rule_value ) {
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if ( ! is_array( $conditional_field ) || $conditional_field['type'] !== 'post_object' ) {
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return $choices;
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}
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if ( ! empty( $rule_value ) ) {
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$post_title = get_the_title( $rule_value );
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$choices = array( $rule_value => $post_title );
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}
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return $choices;
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}
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/**
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* AJAX query handler for post object fields.
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*
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* @since 5.0.0
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*
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* @return void
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*/
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public function ajax_query() {
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$nonce = acf_request_arg( 'nonce', '' );
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$key = acf_request_arg( 'field_key', '' );
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$conditional_logic = (bool) acf_request_arg( 'conditional_logic', false );
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if ( $conditional_logic ) {
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if ( ! acf_current_user_can_admin() ) {
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die();
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}
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// Use the standard ACF admin nonce.
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$nonce = '';
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$key = '';
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}
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if ( ! acf_verify_ajax( $nonce, $key, ! $conditional_logic ) ) {
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die();
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}
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acf_send_ajax_results( $this->get_ajax_query( $_POST ) );
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}
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/**
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* This function will return an array of data formatted for use in a select2 AJAX response
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*
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* @since 5.0.9
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*
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* @param array $options The options being queried for the ajax request.
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* @return array|boolean The AJAX response array, or false on failure.
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*/
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public function get_ajax_query( $options = array() ) {
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// defaults
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$options = acf_parse_args(
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$options,
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array(
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'post_id' => 0,
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's' => '',
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'field_key' => '',
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'paged' => 1,
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'include' => '',
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)
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);
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// load field
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$field = acf_get_field( $options['field_key'] );
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if ( ! $field ) {
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return false;
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}
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// vars
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$results = array();
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$args = array();
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$s = false;
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$is_search = false;
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// paged
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$args['posts_per_page'] = 20;
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$args['paged'] = $options['paged'];
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// search
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if ( $options['s'] !== '' ) {
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// strip slashes (search may be integer)
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$s = wp_unslash( strval( $options['s'] ) );
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// update vars
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$args['s'] = $s;
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$is_search = true;
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}
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if ( ! empty( $options['include'] ) ) {
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$args['include'] = $options['include'];
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}
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// post_type
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if ( ! empty( $field['post_type'] ) ) {
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$args['post_type'] = acf_get_array( $field['post_type'] );
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} else {
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$args['post_type'] = acf_get_post_types();
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}
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// post status
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if ( ! empty( $options['post_status'] ) ) {
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$args['post_status'] = acf_get_array( $options['post_status'] );
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} elseif ( ! empty( $field['post_status'] ) ) {
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$args['post_status'] = acf_get_array( $field['post_status'] );
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}
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// If there is an include set, we will unset search to avoid attempting to further filter by the search term.
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if ( isset( $args['include'] ) ) {
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unset( $args['s'] );
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}
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// taxonomy
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if ( ! empty( $field['taxonomy'] ) ) {
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// vars
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$terms = acf_decode_taxonomy_terms( $field['taxonomy'] );
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// append to $args
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$args['tax_query'] = array();
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// now create the tax queries
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foreach ( $terms as $k => $v ) {
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$args['tax_query'][] = array(
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'taxonomy' => $k,
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'field' => 'slug',
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'terms' => $v,
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);
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}
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}
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// filters
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$args = apply_filters( 'acf/fields/post_object/query', $args, $field, $options['post_id'] );
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$args = apply_filters( 'acf/fields/post_object/query/name=' . $field['name'], $args, $field, $options['post_id'] );
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$args = apply_filters( 'acf/fields/post_object/query/key=' . $field['key'], $args, $field, $options['post_id'] );
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// get posts grouped by post type
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$groups = acf_get_grouped_posts( $args );
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// bail early if no posts
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if ( empty( $groups ) ) {
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return false;
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}
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// loop
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foreach ( array_keys( $groups ) as $group_title ) {
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// vars
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$posts = acf_extract_var( $groups, $group_title );
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// data
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$data = array(
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'text' => $group_title,
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'children' => array(),
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);
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// convert post objects to post titles
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foreach ( array_keys( $posts ) as $post_id ) {
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$posts[ $post_id ] = $this->get_post_title( $posts[ $post_id ], $field, $options['post_id'], $is_search, true );
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}
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// order posts by search
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if ( $is_search && empty( $args['orderby'] ) && isset( $args['s'] ) ) {
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$posts = acf_order_by_search( $posts, $args['s'] );
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}
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// append to $data
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foreach ( array_keys( $posts ) as $post_id ) {
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$data['children'][] = $this->get_post_result( $post_id, $posts[ $post_id ] );
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}
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// append to $results
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$results[] = $data;
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}
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// optgroup or single
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$post_type = acf_get_array( $args['post_type'] );
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if ( count( $post_type ) == 1 ) {
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$results = $results[0]['children'];
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}
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// vars
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$response = array(
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'results' => $results,
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'limit' => $args['posts_per_page'],
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);
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// return
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return $response;
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}
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/**
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* This function will return an array containing id, text and maybe description data
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*
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* @since 5.4.0
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*
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* @param mixed $id The ID of the post result.
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* @param string $text The text for the response item.
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* @return array The combined result array.
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*/
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public function get_post_result( $id, $text ) {
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// vars
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$result = array(
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'id' => $id,
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'text' => $text,
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);
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// look for parent
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$search = '| ' . __( 'Parent', 'acf' ) . ':';
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$pos = strpos( $text, $search );
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if ( $pos !== false ) {
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$result['description'] = substr( $text, $pos + 2 );
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$result['text'] = substr( $text, 0, $pos );
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}
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// return
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return $result;
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}
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/**
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* This function post object's filtered output post title
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*
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* @since 5.0.0
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*
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* @param WP_Post $post The WordPress post.
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* @param array $field The field being output.
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* @param integer $post_id The post_id to which this value is saved to.
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* @param integer $is_search An int-as-boolean value for whether we're performing a search.
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* @param boolean $unescape Should we return an unescaped post title.
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* @return string A potentially user filtered post title for the post, which may contain unsafe HTML.
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*/
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public function get_post_title( $post, $field, $post_id = 0, $is_search = 0, $unescape = false ) {
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// get post_id
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if ( ! $post_id ) {
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$post_id = acf_get_form_data( 'post_id' );
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}
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// vars
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$title = acf_get_post_title( $post, $is_search );
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// unescape for select2 output which handles the escaping.
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if ( $unescape ) {
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$title = html_entity_decode( $title );
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}
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// filters
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$title = apply_filters( 'acf/fields/post_object/result', $title, $post, $field, $post_id );
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$title = apply_filters( 'acf/fields/post_object/result/name=' . $field['_name'], $title, $post, $field, $post_id );
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$title = apply_filters( 'acf/fields/post_object/result/key=' . $field['key'], $title, $post, $field, $post_id );
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// return untrusted output.
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return $title;
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}
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/**
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* Create the HTML interface for the post object field.
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*
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* @since 3.6
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*
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* @param array $field An array holding all the field's data.
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* @return void
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*/
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public function render_field( $field ) {
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// Change Field into a select
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$field['type'] = 'select';
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$field['ui'] = 1;
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$field['ajax'] = 1;
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$field['nonce'] = wp_create_nonce( 'acf_field_' . $this->name . '_' . $field['key'] );
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$field['choices'] = array();
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// load posts
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$posts = $this->get_posts( $field['value'], $field );
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if ( $posts ) {
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foreach ( array_keys( $posts ) as $i ) {
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// vars
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$post = acf_extract_var( $posts, $i );
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// append to choices
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$field['choices'][ $post->ID ] = $this->get_post_title( $post, $field );
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}
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}
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// render
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acf_render_field( $field );
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}
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/**
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* Create extra options for post object field. This is rendered when editing.
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* The value of $field['name'] can be used (like below) to save extra data to the $field.
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*
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* @since 3.6
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*
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* @param array $field An array holding all the field's data.
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*/
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public function render_field_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Filter by Post Type', 'acf' ),
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'instructions' => '',
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'type' => 'select',
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'name' => 'post_type',
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'choices' => acf_get_pretty_post_types(),
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'multiple' => 1,
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'ui' => 1,
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'allow_null' => 1,
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'placeholder' => __( 'All post types', 'acf' ),
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Filter by Post Status', 'acf' ),
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'instructions' => '',
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'type' => 'select',
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'name' => 'post_status',
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'choices' => acf_get_pretty_post_statuses(),
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'multiple' => 1,
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'ui' => 1,
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'allow_null' => 1,
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'placeholder' => __( 'Any post status', 'acf' ),
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Filter by Taxonomy', 'acf' ),
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'instructions' => '',
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'type' => 'select',
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'name' => 'taxonomy',
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'choices' => acf_get_taxonomy_terms(),
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'multiple' => 1,
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'ui' => 1,
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'allow_null' => 1,
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'placeholder' => __( 'All taxonomies', 'acf' ),
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Return Format', 'acf' ),
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'instructions' => '',
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'type' => 'radio',
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'name' => 'return_format',
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'choices' => array(
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'object' => __( 'Post Object', 'acf' ),
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'id' => __( 'Post ID', 'acf' ),
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),
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'layout' => 'horizontal',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Select Multiple', 'acf' ),
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'instructions' => 'Allow content editors to select multiple values',
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'name' => 'multiple',
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'type' => 'true_false',
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'ui' => 1,
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)
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);
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}
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/**
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* Renders the field settings used in the "Validation" tab.
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*
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* @since 6.0
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*
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* @param array $field The field settings array.
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* @return void
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*/
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public function render_field_validation_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Allow Null', 'acf' ),
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'instructions' => '',
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'name' => 'allow_null',
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'type' => 'true_false',
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'ui' => 1,
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)
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);
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}
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/**
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* Renders the field settings used in the "Advanced" tab.
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*
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* @since 6.2
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*
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* @param array $field The field settings array.
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* @return void
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*/
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public function render_field_advanced_settings( $field ) {
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acf_render_bidirectional_field_settings( $field );
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}
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/**
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* This filter is applied to the $value after it is loaded from the db
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*
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* @since 3.6
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*
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* @param mixed $value The value found in the database
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* @param mixed $post_id The post_id from which the value was loaded
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* @param array $field The field array holding all the field options
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* @return mixed $value
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*/
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public function load_value( $value, $post_id, $field ) {
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// ACF4 null
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if ( $value === 'null' ) {
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return false;
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}
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// return
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return $value;
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}
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/**
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* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
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*
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* @since 3.6
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*
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* @param mixed $value The value found in the database
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* @param mixed $post_id The post_id from which the value was loaded
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* @param array $field The field array holding all the field options
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* @return mixed $value
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*/
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public function format_value( $value, $post_id, $field ) {
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$value = acf_get_numeric( $value );
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// bail early if no value
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if ( empty( $value ) ) {
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return false;
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}
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// load posts if needed
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if ( $field['return_format'] == 'object' ) {
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$value = $this->get_posts( $value, $field );
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}
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// convert back from array if neccessary
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if ( ! $field['multiple'] && is_array( $value ) ) {
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$value = current( $value );
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}
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// return value
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return $value;
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}
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/**
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* Filters the field value before it is saved into the database.
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*
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* @since 3.6
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*
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* @param mixed $value The value which will be saved in the database.
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* @param integer $post_id The post_id of which the value will be saved.
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* @param array $field The field array holding all the field options.
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* @return mixed $value The modified value.
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*/
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public function update_value( $value, $post_id, $field ) {
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// Bail early if no value.
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if ( empty( $value ) ) {
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acf_update_bidirectional_values( array(), $post_id, $field );
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return $value;
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}
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// Format array of values.
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// - ensure each value is an id.
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// - Parse each id as string for SQL LIKE queries.
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if ( acf_is_sequential_array( $value ) ) {
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$value = array_map( 'acf_idval', $value );
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$value = array_map( 'strval', $value );
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// Parse single value for id.
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} else {
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$value = acf_idval( $value );
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}
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acf_update_bidirectional_values( acf_get_array( $value ), $post_id, $field );
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return $value;
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}
|
|
|
|
|
|
/**
|
|
* This function will return an array of posts for a given field value
|
|
*
|
|
* @since 5.0
|
|
*
|
|
* @param mixed $value The value of the field.
|
|
* @param array $field The field array holding all the field options.
|
|
* @return array $value An array of post objects.
|
|
*/
|
|
public function get_posts( $value, $field ) {
|
|
|
|
// numeric
|
|
$value = acf_get_numeric( $value );
|
|
|
|
// bail early if no value
|
|
if ( empty( $value ) ) {
|
|
return false;
|
|
}
|
|
|
|
// get posts
|
|
$posts = acf_get_posts(
|
|
array(
|
|
'post__in' => $value,
|
|
'post_type' => $field['post_type'],
|
|
)
|
|
);
|
|
|
|
// return
|
|
return $posts;
|
|
}
|
|
|
|
/**
|
|
* Validates post object fields updated via the REST API.
|
|
*
|
|
* @since 5.11
|
|
*
|
|
* @param boolean $valid The current validity booleean
|
|
* @param integer $value The value of the field
|
|
* @param array $field The field array
|
|
* @return boolean|WP_Error
|
|
*/
|
|
public function validate_rest_value( $valid, $value, $field ) {
|
|
if ( is_null( $value ) ) {
|
|
return $valid;
|
|
}
|
|
|
|
$param = sprintf( '%s[%s]', $field['prefix'], $field['name'] );
|
|
$data = array( 'param' => $param );
|
|
$value = is_array( $value ) ? $value : array( $value );
|
|
|
|
$invalid_posts = array();
|
|
$post_type_errors = array();
|
|
$taxonomy_errors = array();
|
|
|
|
foreach ( $value as $post_id ) {
|
|
if ( is_string( $post_id ) ) {
|
|
continue;
|
|
}
|
|
|
|
$post_type = get_post_type( $post_id );
|
|
if ( ! $post_type ) {
|
|
$invalid_posts[] = $post_id;
|
|
continue;
|
|
}
|
|
|
|
if (
|
|
is_array( $field['post_type'] ) &&
|
|
! empty( $field['post_type'] ) &&
|
|
! in_array( $post_type, $field['post_type'] )
|
|
) {
|
|
$post_type_errors[] = $post_id;
|
|
}
|
|
|
|
if ( is_array( $field['taxonomy'] ) && ! empty( $field['taxonomy'] ) ) {
|
|
$found = false;
|
|
foreach ( $field['taxonomy'] as $taxonomy_term ) {
|
|
$decoded = acf_decode_taxonomy_term( $taxonomy_term );
|
|
if ( $decoded && is_object_in_term( $post_id, $decoded['taxonomy'], $decoded['term'] ) ) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( ! $found ) {
|
|
$taxonomy_errors[] = $post_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( count( $invalid_posts ) ) {
|
|
$error = sprintf(
|
|
__( '%1$s must have a valid post ID.', 'acf' ),
|
|
$param
|
|
);
|
|
$data['value'] = $invalid_posts;
|
|
return new WP_Error( 'rest_invalid_param', $error, $data );
|
|
}
|
|
|
|
if ( count( $post_type_errors ) ) {
|
|
$error = sprintf(
|
|
_n(
|
|
'%1$s must be of post type %2$s.',
|
|
'%1$s must be of one of the following post types: %2$s',
|
|
count( $field['post_type'] ),
|
|
'acf'
|
|
),
|
|
$param,
|
|
count( $field['post_type'] ) > 1 ? implode( ', ', $field['post_type'] ) : $field['post_type'][0]
|
|
);
|
|
$data['value'] = $post_type_errors;
|
|
|
|
return new WP_Error( 'rest_invalid_param', $error, $data );
|
|
}
|
|
|
|
if ( count( $taxonomy_errors ) ) {
|
|
$error = sprintf(
|
|
_n(
|
|
'%1$s must have term %2$s.',
|
|
'%1$s must have one of the following terms: %2$s',
|
|
count( $field['taxonomy'] ),
|
|
'acf'
|
|
),
|
|
$param,
|
|
count( $field['taxonomy'] ) > 1 ? implode( ', ', $field['taxonomy'] ) : $field['taxonomy'][0]
|
|
);
|
|
$data['value'] = $taxonomy_errors;
|
|
|
|
return new WP_Error( 'rest_invalid_param', $error, $data );
|
|
}
|
|
|
|
return $valid;
|
|
}
|
|
|
|
/**
|
|
* Return the schema array for the REST API.
|
|
*
|
|
* @since 5.11
|
|
*
|
|
* @param array $field The field array.
|
|
* @return array
|
|
*/
|
|
public function get_rest_schema( array $field ) {
|
|
$schema = array(
|
|
'type' => array( 'integer', 'array', 'null' ),
|
|
'required' => ! empty( $field['required'] ),
|
|
'items' => array(
|
|
'type' => 'integer',
|
|
),
|
|
);
|
|
|
|
if ( empty( $field['allow_null'] ) ) {
|
|
$schema['minItems'] = 1;
|
|
}
|
|
|
|
if ( empty( $field['multiple'] ) ) {
|
|
$schema['maxItems'] = 1;
|
|
}
|
|
|
|
return $schema;
|
|
}
|
|
|
|
/**
|
|
* REST link attributes generator for this field.
|
|
*
|
|
* @since 5.11
|
|
* @see \acf_field::get_rest_links()
|
|
*
|
|
* @param mixed $value The raw (unformatted) field value.
|
|
* @param integer|string $post_id The post ID being queried.
|
|
* @param array $field The field array.
|
|
* @return array
|
|
*/
|
|
public function get_rest_links( $value, $post_id, array $field ) {
|
|
$links = array();
|
|
|
|
if ( empty( $value ) ) {
|
|
return $links;
|
|
}
|
|
|
|
foreach ( (array) $value as $object_id ) {
|
|
if ( ! $post_type = get_post_type( $object_id ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( ! $post_type_object = get_post_type_object( $post_type ) ) {
|
|
continue;
|
|
}
|
|
|
|
$rest_base = acf_get_object_type_rest_base( $post_type_object );
|
|
$links[] = array(
|
|
'rel' => $post_type_object->name === 'attachment' ? 'acf:attachment' : 'acf:post',
|
|
'href' => rest_url( sprintf( '/wp/v2/%s/%s', $rest_base, $object_id ) ),
|
|
'embeddable' => true,
|
|
);
|
|
}
|
|
|
|
return $links;
|
|
}
|
|
|
|
/**
|
|
* Apply basic formatting to prepare the value for default REST output.
|
|
*
|
|
* @since 5.11
|
|
*
|
|
* @param mixed $value The raw (unformatted) field value.
|
|
* @param integer|string $post_id The post ID being queried.
|
|
* @param array $field The field array.
|
|
* @return mixed
|
|
*/
|
|
public function format_value_for_rest( $value, $post_id, array $field ) {
|
|
return acf_format_numerics( $value );
|
|
}
|
|
}
|
|
|
|
|
|
// initialize
|
|
acf_register_field_type( 'acf_field_post_object' );
|
|
endif; // class_exists check
|