1023 lines
23 KiB
PHP
1023 lines
23 KiB
PHP
<?php
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if ( ! class_exists( 'acf_field_taxonomy' ) ) :
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class acf_field_taxonomy extends acf_field {
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// vars
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var $save_post_terms = array();
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/**
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*/
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public function initialize() {
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$this->name = 'taxonomy';
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$this->label = __( 'Taxonomy', 'acf' );
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$this->category = 'relational';
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$this->description = __( 'Allows the selection of one or more taxonomy terms based on the criteria and options specified in the fields settings.', 'acf' );
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$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-taxonomy.png';
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$this->doc_url = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/taxonomy/', 'docs', 'field-type-selection' );
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$this->defaults = array(
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'taxonomy' => 'category',
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'field_type' => 'checkbox',
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'multiple' => 0,
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'allow_null' => 0,
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'return_format' => 'id',
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'add_term' => 1, // 5.2.3
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'load_terms' => 0, // 5.2.7
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'save_terms' => 0, // 5.2.7
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'bidirectional_target' => array(),
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);
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// Register filter variations.
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acf_add_filter_variations( 'acf/fields/taxonomy/query', array( 'name', 'key' ), 1 );
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acf_add_filter_variations( 'acf/fields/taxonomy/result', array( 'name', 'key' ), 2 );
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// ajax
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add_action( 'wp_ajax_acf/fields/taxonomy/query', array( $this, 'ajax_query' ) );
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add_action( 'wp_ajax_nopriv_acf/fields/taxonomy/query', array( $this, 'ajax_query' ) );
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add_action( 'wp_ajax_acf/fields/taxonomy/add_term', array( $this, 'ajax_add_term' ) );
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// actions
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add_action( 'acf/save_post', array( $this, 'save_post' ), 15, 1 );
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}
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/*
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* ajax_query
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*
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* description
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*
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* @type function
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* @date 24/10/13
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* @since 5.0.0
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*
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* @param $post_id (int)
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* @return $post_id (int)
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*/
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function ajax_query() {
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// validate
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if ( ! acf_verify_ajax() ) {
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die();
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}
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// get choices
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$response = $this->get_ajax_query( $_POST );
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// return
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acf_send_ajax_results( $response );
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}
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/*
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* get_ajax_query
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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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* @type function
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* @date 15/10/2014
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* @since 5.0.9
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*
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* @param $options (array)
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* @return (array)
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*/
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function get_ajax_query( $options = array() ) {
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// defaults
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$options = acf_parse_args(
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$options,
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array(
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'post_id' => 0,
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's' => '',
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'field_key' => '',
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'paged' => 0,
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)
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);
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// load field
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$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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// bail early if taxonomy does not exist
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if ( ! taxonomy_exists( $field['taxonomy'] ) ) {
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return false;
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}
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// vars
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$results = array();
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$is_hierarchical = is_taxonomy_hierarchical( $field['taxonomy'] );
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$is_pagination = ( $options['paged'] > 0 );
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$is_search = false;
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$limit = 20;
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$offset = 20 * ( $options['paged'] - 1 );
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// args
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$args = array(
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'taxonomy' => $field['taxonomy'],
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'hide_empty' => false,
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);
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// pagination
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// - don't bother for hierarchial terms, we will need to load all terms anyway
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if ( $is_pagination && ! $is_hierarchical ) {
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$args['number'] = $limit;
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$args['offset'] = $offset;
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}
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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['search'] = $s;
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$is_search = true;
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}
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// filters
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$args = apply_filters( 'acf/fields/taxonomy/query', $args, $field, $options['post_id'] );
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// get terms
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$terms = acf_get_terms( $args );
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// sort into hierachial order!
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if ( $is_hierarchical ) {
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// update vars
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$limit = acf_maybe_get( $args, 'number', $limit );
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$offset = acf_maybe_get( $args, 'offset', $offset );
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// get parent
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$parent = acf_maybe_get( $args, 'parent', 0 );
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$parent = acf_maybe_get( $args, 'child_of', $parent );
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// this will fail if a search has taken place because parents wont exist
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if ( ! $is_search ) {
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// order terms
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$ordered_terms = _get_term_children( $parent, $terms, $field['taxonomy'] );
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// check for empty array (possible if parent did not exist within original data)
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if ( ! empty( $ordered_terms ) ) {
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$terms = $ordered_terms;
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}
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}
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// fake pagination
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if ( $is_pagination ) {
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$terms = array_slice( $terms, $offset, $limit );
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}
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}
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// append to r
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foreach ( $terms as $term ) {
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// add to json
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$results[] = array(
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'id' => $term->term_id,
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'text' => $this->get_term_title( $term, $field, $options['post_id'] ),
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);
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}
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// vars
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$response = array(
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'results' => $results,
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'limit' => $limit,
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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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* Returns the Term's title displayed in the field UI.
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*
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* @date 1/11/2013
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* @since 5.0.0
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*
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* @param WP_Term $term The term object.
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* @param array $field The field settings.
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* @param mixed $post_id The post_id being edited.
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* @return string
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*/
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function get_term_title( $term, $field, $post_id = 0 ) {
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$title = acf_get_term_title( $term );
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// Default $post_id to current post being edited.
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$post_id = $post_id ? $post_id : acf_get_form_data( 'post_id' );
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/**
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* Filters the term title.
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*
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* @date 1/11/2013
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* @since 5.0.0
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*
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* @param string $title The term title.
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* @param WP_Term $term The term object.
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* @param array $field The field settings.
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* @param (int|string) $post_id The post_id being edited.
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*/
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return apply_filters( 'acf/fields/taxonomy/result', $title, $term, $field, $post_id );
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}
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/*
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* get_terms
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*
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* This function will return an array of terms for a given field value
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*
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* @type function
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* @date 13/06/2014
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* @since 5.0.0
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*
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* @param $value (array)
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* @return $value
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*/
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function get_terms( $value, $taxonomy = 'category' ) {
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// load terms in 1 query to save multiple DB calls from following code
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if ( count( $value ) > 1 ) {
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$terms = acf_get_terms(
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array(
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'taxonomy' => $taxonomy,
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'include' => $value,
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'hide_empty' => false,
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)
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);
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}
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// update value to include $post
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foreach ( array_keys( $value ) as $i ) {
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$value[ $i ] = get_term( $value[ $i ], $taxonomy );
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}
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// filter out null values
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$value = array_filter( $value );
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// return
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return $value;
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}
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/*
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* load_value()
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*
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* This filter is appied to the $value after it is loaded from the db
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*
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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value - the value found in the database
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* @param $post_id - the $post_id from which the value was loaded from
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* @param $field - the field array holding all the field options
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*
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* @return $value - the value to be saved in te database
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*/
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function load_value( $value, $post_id, $field ) {
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// get valid terms
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$value = acf_get_valid_terms( $value, $field['taxonomy'] );
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// load_terms
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if ( $field['load_terms'] ) {
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// Decode $post_id for $type and $id.
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$decoded = acf_decode_post_id( $post_id );
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$type = $decoded['type'];
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$id = $decoded['id'];
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if ( $type === 'block' ) {
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// Get parent block...
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}
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// get terms
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$term_ids = wp_get_object_terms(
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$id,
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$field['taxonomy'],
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array(
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'fields' => 'ids',
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'orderby' => 'none',
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)
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);
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// bail early if no terms
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if ( empty( $term_ids ) || is_wp_error( $term_ids ) ) {
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return false;
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}
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// sort
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if ( ! empty( $value ) ) {
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$order = array();
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foreach ( $term_ids as $i => $v ) {
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$order[ $i ] = array_search( $v, $value );
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}
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array_multisort( $order, $term_ids );
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}
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// update value
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$value = $term_ids;
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}
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// convert back from array if neccessary
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if ( $field['field_type'] == 'select' || $field['field_type'] == 'radio' ) {
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$value = array_shift( $value );
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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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* 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 int $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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*
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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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if ( is_array( $value ) ) {
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$value = array_filter( $value );
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}
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acf_update_bidirectional_values( acf_get_array( $value ), $post_id, $field, 'term' );
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// save_terms if enabled.
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if ( $field['save_terms'] ) {
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// vars
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$taxonomy = $field['taxonomy'];
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// force value to array.
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$term_ids = acf_get_array( $value );
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// convert to int.
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$term_ids = array_map( 'intval', $term_ids );
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// get existing term id's (from a previously saved field).
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$old_term_ids = isset( $this->save_post_terms[ $taxonomy ] ) ? $this->save_post_terms[ $taxonomy ] : array();
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// append
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$this->save_post_terms[ $taxonomy ] = array_merge( $old_term_ids, $term_ids );
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// if called directly from frontend update_field().
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if ( ! did_action( 'acf/save_post' ) ) {
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$this->save_post( $post_id );
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return $value;
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}
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}
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return $value;
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}
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/**
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* This function will save any terms in the save_post_terms array
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*
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* @date 26/11/2014
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* @since 5.0.9
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*
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* @param int $post_id
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*
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* @return void
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*/
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function save_post( $post_id ) {
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// Check for saved terms.
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if ( ! empty( $this->save_post_terms ) ) {
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/**
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* Determine object ID allowing for non "post" $post_id (user, taxonomy, etc).
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* Although not fully supported by WordPress, non "post" objects may use the term relationships table.
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* Sharing taxonomies across object types is discouraged, but unique taxonomies work well.
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* Note: Do not attempt to restrict to "post" only. This has been attempted in 5.8.9 and later reverted.
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*/
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$decoded = acf_decode_post_id( $post_id );
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$type = $decoded['type'];
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$id = $decoded['id'];
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if ( $type === 'block' ) {
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// Get parent block...
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}
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// Loop over taxonomies and save terms.
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foreach ( $this->save_post_terms as $taxonomy => $term_ids ) {
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wp_set_object_terms( $id, $term_ids, $taxonomy, false );
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}
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// Reset storage.
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$this->save_post_terms = array();
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}
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}
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/*
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* format_value()
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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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* @type filter
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* @since 3.6
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* @date 23/01/13
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*
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* @param $value (mixed) the value which was loaded from the database
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* @param $post_id (mixed) the $post_id from which the value was loaded
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* @param $field (array) the field array holding all the field options
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*
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* @return $value (mixed) the modified value
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*/
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function format_value( $value, $post_id, $field ) {
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// bail early if no value
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if ( empty( $value ) ) {
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return false;
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}
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// force value to array
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$value = acf_get_array( $value );
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// load posts if needed
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if ( $field['return_format'] == 'object' ) {
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// get posts
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$value = $this->get_terms( $value, $field['taxonomy'] );
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}
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// convert back from array if neccessary
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if ( $field['field_type'] == 'select' || $field['field_type'] == 'radio' ) {
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$value = array_shift( $value );
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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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* render_field()
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*
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* Create the HTML interface for your field
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*
|
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field - an array holding all the field's data
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*/
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function render_field( $field ) {
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// force value to array
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$field['value'] = acf_get_array( $field['value'] );
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// vars
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$div = array(
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'class' => 'acf-taxonomy-field',
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'data-save' => $field['save_terms'],
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'data-ftype' => $field['field_type'],
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'data-taxonomy' => $field['taxonomy'],
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'data-allow_null' => $field['allow_null'],
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);
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// get taxonomy
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$taxonomy = get_taxonomy( $field['taxonomy'] );
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// bail early if taxonomy does not exist
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if ( ! $taxonomy ) {
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return;
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}
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?>
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<div <?php echo acf_esc_attrs( $div ); ?>>
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<?php if ( $field['add_term'] && current_user_can( $taxonomy->cap->manage_terms ) ) : ?>
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<div class="acf-actions -hover">
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<a href="#" class="acf-icon -plus acf-js-tooltip small" data-name="add" title="<?php echo esc_attr( $taxonomy->labels->add_new_item ); ?>"></a>
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</div>
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<?php
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endif;
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if ( $field['field_type'] == 'select' ) {
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$field['multiple'] = 0;
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$this->render_field_select( $field );
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} elseif ( $field['field_type'] == 'multi_select' ) {
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$field['multiple'] = 1;
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$this->render_field_select( $field );
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} elseif ( $field['field_type'] == 'radio' ) {
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$this->render_field_checkbox( $field );
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} elseif ( $field['field_type'] == 'checkbox' ) {
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$this->render_field_checkbox( $field );
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}
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?>
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</div>
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<?php
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}
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|
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/*
|
|
* render_field_select()
|
|
*
|
|
* Create the HTML interface for your field
|
|
*
|
|
* @type action
|
|
* @since 3.6
|
|
* @date 23/01/13
|
|
*
|
|
* @param $field - an array holding all the field's data
|
|
*/
|
|
|
|
function render_field_select( $field ) {
|
|
|
|
// Change Field into a select
|
|
$field['type'] = 'select';
|
|
$field['ui'] = 1;
|
|
$field['ajax'] = 1;
|
|
$field['choices'] = array();
|
|
|
|
// value
|
|
if ( ! empty( $field['value'] ) ) {
|
|
|
|
// get terms
|
|
$terms = $this->get_terms( $field['value'], $field['taxonomy'] );
|
|
|
|
// set choices
|
|
if ( ! empty( $terms ) ) {
|
|
|
|
foreach ( array_keys( $terms ) as $i ) {
|
|
|
|
// vars
|
|
$term = acf_extract_var( $terms, $i );
|
|
|
|
// append to choices
|
|
$field['choices'][ $term->term_id ] = $this->get_term_title( $term, $field );
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
// render select
|
|
acf_render_field( $field );
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Create the HTML interface for your field
|
|
*
|
|
* @since 3.6
|
|
*
|
|
* @param array $field an array holding all the field's data.
|
|
*/
|
|
public function render_field_checkbox( $field ) {
|
|
|
|
// hidden input.
|
|
acf_hidden_input(
|
|
array(
|
|
'type' => 'hidden',
|
|
'name' => $field['name'],
|
|
)
|
|
);
|
|
|
|
// checkbox saves an array.
|
|
if ( $field['field_type'] == 'checkbox' ) {
|
|
|
|
$field['name'] .= '[]';
|
|
|
|
}
|
|
|
|
// taxonomy.
|
|
$taxonomy_obj = get_taxonomy( $field['taxonomy'] );
|
|
|
|
// include walker.
|
|
acf_include( 'includes/walkers/class-acf-walker-taxonomy-field.php' );
|
|
|
|
// vars.
|
|
$args = array(
|
|
'taxonomy' => $field['taxonomy'],
|
|
'show_option_none' => sprintf( _x( 'No %s', 'No Terms', 'acf' ), $taxonomy_obj->labels->name ),
|
|
'hide_empty' => false,
|
|
'style' => 'none',
|
|
'walker' => new ACF_Taxonomy_Field_Walker( $field ),
|
|
);
|
|
|
|
// filter for 3rd party customization.
|
|
$args = apply_filters( 'acf/fields/taxonomy/wp_list_categories', $args, $field );
|
|
$args = apply_filters( 'acf/fields/taxonomy/wp_list_categories/name=' . $field['_name'], $args, $field );
|
|
$args = apply_filters( 'acf/fields/taxonomy/wp_list_categories/key=' . $field['key'], $args, $field );
|
|
|
|
?>
|
|
<div class="categorychecklist-holder">
|
|
<ul class="acf-checkbox-list acf-bl">
|
|
<?php wp_list_categories( $args ); ?>
|
|
</ul>
|
|
</div>
|
|
<?php
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* render_field_settings()
|
|
*
|
|
* Create extra options for your field. This is rendered when editing a field.
|
|
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
|
|
*
|
|
* @type action
|
|
* @since 3.6
|
|
* @date 23/01/13
|
|
*
|
|
* @param $field - an array holding all the field's data
|
|
*/
|
|
function render_field_settings( $field ) {
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Taxonomy', 'acf' ),
|
|
'instructions' => __( 'Select the taxonomy to be displayed', 'acf' ),
|
|
'type' => 'select',
|
|
'name' => 'taxonomy',
|
|
'choices' => acf_get_taxonomy_labels(),
|
|
)
|
|
);
|
|
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Create Terms', 'acf' ),
|
|
'instructions' => __( 'Allow new terms to be created whilst editing', 'acf' ),
|
|
'name' => 'add_term',
|
|
'type' => 'true_false',
|
|
'ui' => 1,
|
|
)
|
|
);
|
|
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Save Terms', 'acf' ),
|
|
'instructions' => __( 'Connect selected terms to the post', 'acf' ),
|
|
'name' => 'save_terms',
|
|
'type' => 'true_false',
|
|
'ui' => 1,
|
|
)
|
|
);
|
|
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Load Terms', 'acf' ),
|
|
'instructions' => __( 'Load value from posts terms', 'acf' ),
|
|
'name' => 'load_terms',
|
|
'type' => 'true_false',
|
|
'ui' => 1,
|
|
)
|
|
);
|
|
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Return Value', 'acf' ),
|
|
'instructions' => '',
|
|
'type' => 'radio',
|
|
'name' => 'return_format',
|
|
'choices' => array(
|
|
'object' => __( 'Term Object', 'acf' ),
|
|
'id' => __( 'Term ID', 'acf' ),
|
|
),
|
|
'layout' => 'horizontal',
|
|
)
|
|
);
|
|
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Appearance', 'acf' ),
|
|
'instructions' => __( 'Select the appearance of this field', 'acf' ),
|
|
'type' => 'select',
|
|
'name' => 'field_type',
|
|
'optgroup' => true,
|
|
'choices' => array(
|
|
__( 'Multiple Values', 'acf' ) => array(
|
|
'checkbox' => __( 'Checkbox', 'acf' ),
|
|
'multi_select' => __( 'Multi Select', 'acf' ),
|
|
),
|
|
__( 'Single Value', 'acf' ) => array(
|
|
'radio' => __( 'Radio Buttons', 'acf' ),
|
|
'select' => _x( 'Select', 'noun', 'acf' ),
|
|
),
|
|
),
|
|
)
|
|
);
|
|
|
|
acf_render_field_setting(
|
|
$field,
|
|
array(
|
|
'label' => __( 'Allow Null', 'acf' ),
|
|
'instructions' => '',
|
|
'name' => 'allow_null',
|
|
'type' => 'true_false',
|
|
'ui' => 1,
|
|
'conditions' => array(
|
|
'field' => 'field_type',
|
|
'operator' => '!=',
|
|
'value' => 'checkbox',
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Renders the field settings used in the "Advanced" tab.
|
|
*
|
|
* @since 6.2
|
|
*
|
|
* @param array $field The field settings array.
|
|
* @return void
|
|
*/
|
|
public function render_field_advanced_settings( $field ) {
|
|
acf_render_bidirectional_field_settings( $field );
|
|
}
|
|
|
|
/*
|
|
* ajax_add_term
|
|
*
|
|
* description
|
|
*
|
|
* @type function
|
|
* @date 17/04/2015
|
|
* @since 5.2.3
|
|
*
|
|
* @param $post_id (int)
|
|
* @return $post_id (int)
|
|
*/
|
|
|
|
function ajax_add_term() {
|
|
|
|
// verify nonce
|
|
if ( ! acf_verify_ajax() ) {
|
|
die();
|
|
}
|
|
|
|
// vars
|
|
$args = wp_parse_args(
|
|
$_POST,
|
|
array(
|
|
'nonce' => '',
|
|
'field_key' => '',
|
|
'term_name' => '',
|
|
'term_parent' => '',
|
|
)
|
|
);
|
|
|
|
// load field
|
|
$field = acf_get_field( $args['field_key'] );
|
|
if ( ! $field ) {
|
|
die();
|
|
}
|
|
|
|
// vars
|
|
$taxonomy_obj = get_taxonomy( $field['taxonomy'] );
|
|
$taxonomy_label = $taxonomy_obj->labels->singular_name;
|
|
|
|
// validate cap
|
|
// note: this situation should never occur due to condition of the add new button
|
|
if ( ! current_user_can( $taxonomy_obj->cap->manage_terms ) ) {
|
|
wp_send_json_error(
|
|
array(
|
|
'error' => sprintf( __( 'User unable to add new %s', 'acf' ), $taxonomy_label ),
|
|
)
|
|
);
|
|
}
|
|
|
|
// save?
|
|
if ( $args['term_name'] ) {
|
|
|
|
// exists
|
|
if ( term_exists( $args['term_name'], $field['taxonomy'], $args['term_parent'] ) ) {
|
|
wp_send_json_error(
|
|
array(
|
|
'error' => sprintf( __( '%s already exists', 'acf' ), $taxonomy_label ),
|
|
)
|
|
);
|
|
}
|
|
|
|
// vars
|
|
$extra = array();
|
|
if ( $args['term_parent'] ) {
|
|
$extra['parent'] = (int) $args['term_parent'];
|
|
}
|
|
|
|
// insert
|
|
$data = wp_insert_term( $args['term_name'], $field['taxonomy'], $extra );
|
|
|
|
// error
|
|
if ( is_wp_error( $data ) ) {
|
|
wp_send_json_error(
|
|
array(
|
|
'error' => $data->get_error_message(),
|
|
)
|
|
);
|
|
}
|
|
|
|
// load term
|
|
$term = get_term( $data['term_id'] );
|
|
|
|
// prepend ancenstors count to term name
|
|
$prefix = '';
|
|
$ancestors = get_ancestors( $term->term_id, $term->taxonomy );
|
|
if ( ! empty( $ancestors ) ) {
|
|
$prefix = str_repeat( '- ', count( $ancestors ) );
|
|
}
|
|
|
|
// success
|
|
wp_send_json_success(
|
|
array(
|
|
'message' => sprintf( __( '%s added', 'acf' ), $taxonomy_label ),
|
|
'term_id' => $term->term_id,
|
|
'term_name' => $term->name,
|
|
'term_label' => $prefix . $term->name,
|
|
'term_parent' => $term->parent,
|
|
)
|
|
);
|
|
|
|
}
|
|
|
|
?>
|
|
<form method="post">
|
|
<?php
|
|
|
|
acf_render_field_wrap(
|
|
array(
|
|
'label' => __( 'Name', 'acf' ),
|
|
'name' => 'term_name',
|
|
'type' => 'text',
|
|
)
|
|
);
|
|
|
|
if ( is_taxonomy_hierarchical( $field['taxonomy'] ) ) {
|
|
|
|
$choices = array();
|
|
$response = $this->get_ajax_query( $args );
|
|
|
|
if ( $response ) {
|
|
|
|
foreach ( $response['results'] as $v ) {
|
|
|
|
$choices[ $v['id'] ] = $v['text'];
|
|
|
|
}
|
|
}
|
|
|
|
acf_render_field_wrap(
|
|
array(
|
|
'label' => __( 'Parent', 'acf' ),
|
|
'name' => 'term_parent',
|
|
'type' => 'select',
|
|
'allow_null' => 1,
|
|
'ui' => 0,
|
|
'choices' => $choices,
|
|
)
|
|
);
|
|
|
|
}
|
|
|
|
?>
|
|
<p class="acf-submit">
|
|
<button class="acf-submit-button button button-primary" type="submit"><?php _e( 'Add', 'acf' ); ?></button>
|
|
</p>
|
|
</form><?php
|
|
|
|
// die
|
|
die;
|
|
|
|
}
|
|
|
|
/**
|
|
* Return the schema array for the REST API.
|
|
*
|
|
* @param array $field
|
|
* @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 ( in_array( $field['field_type'], array( 'radio', 'select' ) ) ) {
|
|
$schema['maxItems'] = 1;
|
|
}
|
|
|
|
return $schema;
|
|
}
|
|
|
|
/**
|
|
* @see \acf_field::get_rest_links()
|
|
* @param mixed $value The raw (unformatted) field value.
|
|
* @param int|string $post_id
|
|
* @param array $field
|
|
* @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 ) {
|
|
$term = get_term( $object_id );
|
|
if ( ! $term instanceof WP_Term ) {
|
|
continue;
|
|
}
|
|
|
|
$rest_base = acf_get_object_type_rest_base( get_taxonomy( $term->taxonomy ) );
|
|
if ( ! $rest_base ) {
|
|
continue;
|
|
}
|
|
|
|
$links[] = array(
|
|
'rel' => 'acf:term',
|
|
'href' => rest_url( sprintf( '/wp/v2/%s/%s', $rest_base, $object_id ) ),
|
|
'embeddable' => true,
|
|
'taxonomy' => $term->taxonomy,
|
|
);
|
|
}
|
|
|
|
return $links;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// initialize
|
|
acf_register_field_type( 'acf_field_taxonomy' );
|
|
|
|
endif; // class_exists check
|
|
|
|
?>
|