1629 lines
38 KiB
PHP
1629 lines
38 KiB
PHP
<?php
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// Register store.
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acf_register_store( 'fields' )->prop( 'multisite', true );
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/**
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* acf_get_field
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*
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* Retrieves a field for the given identifier.
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*
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* @date 17/1/19
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* @since 5.7.10
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*
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* @param (int|string) $id The field ID, key or name.
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* @return (array|false) The field array.
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*/
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function acf_get_field( $id = 0 ) {
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// Allow WP_Post to be passed.
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if ( is_object( $id ) ) {
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$id = $id->ID;
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}
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// Check store.
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$store = acf_get_store( 'fields' );
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if ( $store->has( $id ) ) {
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return $store->get( $id );
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}
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// Check local fields first.
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if ( acf_is_local_field( $id ) ) {
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$field = acf_get_local_field( $id );
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// Then check database.
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} else {
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$field = acf_get_raw_field( $id );
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}
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// Bail early if no field.
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if ( ! $field ) {
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return false;
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}
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// Validate field.
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$field = acf_validate_field( $field );
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// Set input prefix.
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$field['prefix'] = 'acf';
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/**
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* Filters the $field array after it has been loaded.
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*
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* @date 12/02/2014
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* @since 5.0.0
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*
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* @param array The field array.
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*/
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$field = apply_filters( 'acf/load_field', $field );
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// Store field using aliasses to also find via key, ID and name.
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$store->set( $field['key'], $field );
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$store->alias( $field['key'], $field['ID'], $field['name'] );
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// Return.
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return $field;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/load_field', array( 'type', 'name', 'key' ), 0 );
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/**
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* acf_get_raw_field
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*
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* Retrieves raw field data for the given identifier.
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*
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* @date 18/1/19
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* @since 5.7.10
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*
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* @param (int|string) $id The field ID, key or name.
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* @return (array|false) The field array.
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*/
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function acf_get_raw_field( $id = 0 ) {
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// Get raw field from database.
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$post = acf_get_field_post( $id );
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if ( ! $post ) {
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return false;
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}
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// Bail early if incorrect post type.
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if ( $post->post_type !== 'acf-field' ) {
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return false;
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}
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// Unserialize post_content.
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$field = (array) acf_maybe_unserialize( $post->post_content );
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// update attributes
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$field['ID'] = $post->ID;
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$field['key'] = $post->post_name;
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$field['label'] = $post->post_title;
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$field['name'] = $post->post_excerpt;
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$field['menu_order'] = $post->menu_order;
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$field['parent'] = $post->post_parent;
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// Return field.
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return $field;
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}
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/**
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* acf_get_field_post
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*
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* Retrieves the field's WP_Post object.
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*
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* @date 18/1/19
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* @since 5.7.10
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*
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* @param (int|string) $id The field ID, key or name.
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* @return (array|false) The field array.
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*/
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function acf_get_field_post( $id = 0 ) {
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// Get post if numeric.
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if ( is_numeric( $id ) ) {
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return get_post( $id );
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// Search posts if is string.
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} elseif ( is_string( $id ) ) {
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// Determine id type.
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$type = acf_is_field_key( $id ) ? 'key' : 'name';
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// Try cache.
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$cache_key = acf_cache_key( "acf_get_field_post:$type:$id" );
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$post_id = wp_cache_get( $cache_key, 'acf' );
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if ( $post_id === false ) {
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// Query posts.
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$posts = get_posts(
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array(
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'posts_per_page' => 1,
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'post_type' => 'acf-field',
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'orderby' => 'menu_order title',
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'order' => 'ASC',
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'suppress_filters' => false,
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'cache_results' => true,
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'update_post_meta_cache' => false,
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'update_post_term_cache' => false,
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"acf_field_$type" => $id,
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)
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);
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// Update $post_id with a non false value.
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$post_id = $posts ? $posts[0]->ID : 0;
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// Update cache.
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wp_cache_set( $cache_key, $post_id, 'acf' );
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}
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// Check $post_id and return the post when possible.
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if ( $post_id ) {
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return get_post( $post_id );
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}
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}
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// Return false by default.
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return false;
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}
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/**
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* acf_is_field_key
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*
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* Returns true if the given identifier is a field key.
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*
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* @date 6/12/2013
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* @since 5.0.0
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*
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* @param string $id The identifier.
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* @return bool
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*/
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function acf_is_field_key( $id = '' ) {
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// Check if $id is a string starting with "field_".
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if ( is_string( $id ) && substr( $id, 0, 6 ) === 'field_' ) {
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return true;
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}
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/**
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* Filters whether the $id is a field key.
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*
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* @date 23/1/19
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* @since 5.7.10
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*
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* @param bool $bool The result.
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* @param string $id The identifier.
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*/
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return apply_filters( 'acf/is_field_key', false, $id );
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}
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/**
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* acf_validate_field
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*
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* Ensures the given field valid.
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*
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* @date 18/1/19
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* @since 5.7.10
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*
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* @param array $field The field array.
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* @return array
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*/
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function acf_validate_field( $field = array() ) {
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// Bail early if already valid.
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if ( is_array( $field ) && ! empty( $field['_valid'] ) ) {
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return $field;
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}
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// Apply defaults.
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$field = wp_parse_args(
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$field,
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array(
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'ID' => 0,
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'key' => '',
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'label' => '',
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'name' => '',
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'aria-label' => '',
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'prefix' => '',
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'type' => 'text',
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'value' => null,
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'menu_order' => 0,
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'instructions' => '',
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'required' => false,
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'id' => '',
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'class' => '',
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'conditional_logic' => false,
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'parent' => 0,
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'wrapper' => array(),
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// 'attributes' => array()
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)
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);
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// Convert types.
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$field['ID'] = (int) $field['ID'];
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$field['menu_order'] = (int) $field['menu_order'];
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// Add backwards compatibility for wrapper attributes.
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// Todo: Remove need for this.
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$field['wrapper'] = wp_parse_args(
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$field['wrapper'],
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array(
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'width' => '',
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'class' => '',
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'id' => '',
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)
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);
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// Store backups.
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$field['_name'] = $field['name'];
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$field['_valid'] = 1;
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/**
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* Filters the $field array to validate settings.
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*
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* @date 12/02/2014
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* @since 5.0.0
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*
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* @param array $field The field array.
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*/
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$field = apply_filters( 'acf/validate_field', $field );
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// return
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return $field;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/validate_field', array( 'type' ), 0 );
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/**
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* acf_get_valid_field
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*
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* Ensures the given field valid.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param array $field The field array.
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* @return array
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*/
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function acf_get_valid_field( $field = false ) {
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return acf_validate_field( $field );
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}
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/**
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* acf_translate_field
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*
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* Translates a field's settings.
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*
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* @date 8/03/2016
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* @since 5.3.2
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*
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* @param array $field The field array.
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* @return array
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*/
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function acf_translate_field( $field = array() ) {
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// Get settings.
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$l10n = acf_get_setting( 'l10n' );
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$l10n_textdomain = acf_get_setting( 'l10n_textdomain' );
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// Translate field settings if textdomain is set.
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if ( $l10n && $l10n_textdomain ) {
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$field['label'] = acf_translate( $field['label'] );
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$field['instructions'] = acf_translate( $field['instructions'] );
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/**
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* Filters the $field array to translate strings.
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*
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* @date 12/02/2014
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* @since 5.0.0
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*
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* @param array $field The field array.
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*/
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$field = apply_filters( 'acf/translate_field', $field );
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}
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// Return field.
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return $field;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/translate_field', array( 'type' ), 0 );
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// Translate fields passing through validation.
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add_action( 'acf/validate_field', 'acf_translate_field' );
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/**
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* acf_get_fields
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*
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* Returns and array of fields for the given $parent.
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*
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* @date 30/09/13
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* @since 5.0.0
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*
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* @param (int|string|array) $parent The field group or field settings. Also accepts the field group ID or key.
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* @return array
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*/
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function acf_get_fields( $parent ) {
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// Allow field group selector as $parent.
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if ( ! is_array( $parent ) ) {
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$parent = acf_get_field_group( $parent );
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if ( ! $parent ) {
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return array();
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}
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}
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// Vars.
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$fields = array();
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// Check local fields first.
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if ( acf_have_local_fields( $parent['key'] ) ) {
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$raw_fields = acf_get_local_fields( $parent['key'] );
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foreach ( $raw_fields as $raw_field ) {
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$fields[] = acf_get_field( $raw_field['key'] );
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}
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// Then check database.
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} else {
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$raw_fields = acf_get_raw_fields( $parent['ID'] );
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foreach ( $raw_fields as $raw_field ) {
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$fields[] = acf_get_field( $raw_field['ID'] );
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}
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}
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/**
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* Filters the $fields array.
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*
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* @date 12/02/2014
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* @since 5.0.0
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*
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* @param array $fields The array of fields.
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*/
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$fields = apply_filters( 'acf/load_fields', $fields, $parent );
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// Return fields
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return $fields;
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}
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/**
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* acf_get_raw_fields
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*
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* Returns and array of raw field data for the given parent id.
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*
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* @date 18/1/19
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* @since 5.7.10
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*
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* @param int $id The field group or field id.
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* @return array
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*/
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function acf_get_raw_fields( $id = 0 ) {
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// Try cache.
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$cache_key = acf_cache_key( "acf_get_field_posts:$id" );
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$post_ids = wp_cache_get( $cache_key, 'acf' );
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if ( $post_ids === false ) {
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// Query posts.
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$posts = get_posts(
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array(
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'posts_per_page' => -1,
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'post_type' => 'acf-field',
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'orderby' => 'menu_order',
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'order' => 'ASC',
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'suppress_filters' => true, // DO NOT allow WPML to modify the query
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'cache_results' => true,
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'update_post_meta_cache' => false,
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'update_post_term_cache' => false,
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'post_parent' => $id,
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'post_status' => array( 'publish', 'trash' ),
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)
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);
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// Update $post_ids with a non false value.
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$post_ids = array();
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foreach ( $posts as $post ) {
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$post_ids[] = $post->ID;
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}
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// Update cache.
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wp_cache_set( $cache_key, $post_ids, 'acf' );
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}
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// Loop over ids and populate array of fields.
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$fields = array();
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foreach ( $post_ids as $post_id ) {
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$fields[] = acf_get_raw_field( $post_id );
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}
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// Return fields.
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return $fields;
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}
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/**
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* acf_get_field_count
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*
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* Return the number of fields for the given field group.
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*
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* @date 17/10/13
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* @since 5.0.0
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*
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* @param array $parent The field group or field array.
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* @return int
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*/
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function acf_get_field_count( $parent ) {
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// Check local fields first.
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if ( acf_have_local_fields( $parent['key'] ) ) {
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$raw_fields = acf_get_local_fields( $parent['key'] );
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// Then check database.
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} else {
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$raw_fields = acf_get_raw_fields( $parent['ID'] );
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}
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/**
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* Filters the counted number of fields.
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*
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* @date 12/02/2014
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* @since 5.0.0
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*
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* @param int $count The number of fields.
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* @param array $parent The field group or field array.
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*/
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return apply_filters( 'acf/get_field_count', count( $raw_fields ), $parent );
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}
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/**
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* acf_clone_field
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*
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* Allows customization to a field when it is cloned. Used by the clone field.
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*
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* @date 8/03/2016
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* @since 5.3.2
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*
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* @param array $field The field being cloned.
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* @param array $clone_field The clone field.
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* @return array
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*/
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function acf_clone_field( $field, $clone_field ) {
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// Add reference to the clone field.
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$field['_clone'] = $clone_field['key'];
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/**
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* Filters the $field array when it is being cloned.
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*
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* @date 12/02/2014
|
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* @since 5.0.0
|
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*
|
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* @param array $field The field array.
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* @param array $clone_field The clone field array.
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*/
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$field = apply_filters( 'acf/clone_field', $field, $clone_field );
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// Return field.
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return $field;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/clone_field', array( 'type' ), 0 );
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|
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/**
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* acf_prepare_field
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|
*
|
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* Prepare a field for input.
|
|
*
|
|
* @date 20/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
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* @return array
|
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*/
|
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function acf_prepare_field( $field ) {
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// Bail early if already prepared.
|
|
if ( ! empty( $field['_prepare'] ) ) {
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return $field;
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}
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// Use field key to override input name.
|
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if ( $field['key'] ) {
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$field['name'] = $field['key'];
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}
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// Use field prefix to modify input name.
|
|
if ( ! empty( $field['prefix'] ) ) {
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$field['name'] = "{$field['prefix']}[{$field['name']}]";
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}
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// Generate id attribute from name.
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$field['id'] = acf_idify( $field['name'] );
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// Add state to field.
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$field['_prepare'] = true;
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|
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/**
|
|
* Filters the $field array.
|
|
*
|
|
* Allows developers to modify field settings or return false to remove field.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
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$field = apply_filters( 'acf/prepare_field', $field );
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|
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// return
|
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return $field;
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}
|
|
|
|
// Register variation.
|
|
acf_add_filter_variations( 'acf/prepare_field', array( 'type', 'name', 'key' ), 0 );
|
|
|
|
/**
|
|
* acf_render_fields
|
|
*
|
|
* Renders an array of fields. Also loads the field's value.
|
|
*
|
|
* @date 8/10/13
|
|
* @since 5.0.0
|
|
* @since 5.6.9 Changed parameter order.
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @param (int|string) $post_id The post ID to load values from.
|
|
* @param string $element The wrapping element type.
|
|
* @param string $instruction The instruction render position (label|field).
|
|
* @return void
|
|
*/
|
|
function acf_render_fields( $fields, $post_id = 0, $el = 'div', $instruction = 'label' ) {
|
|
|
|
// Parameter order changed in ACF 5.6.9.
|
|
if ( is_array( $post_id ) ) {
|
|
$args = func_get_args();
|
|
$fields = $args[1];
|
|
$post_id = $args[0];
|
|
}
|
|
|
|
/**
|
|
* Filters the $fields array before they are rendered.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @param (int|string) $post_id The post ID to load values from.
|
|
*/
|
|
$fields = apply_filters( 'acf/pre_render_fields', $fields, $post_id );
|
|
|
|
// Filter our false results.
|
|
$fields = array_filter( $fields );
|
|
|
|
// Loop over and render fields.
|
|
if ( $fields ) {
|
|
foreach ( $fields as $field ) {
|
|
$field = apply_filters( 'acf/pre_render_field', $field, $post_id );
|
|
|
|
// Load value if not already loaded.
|
|
if ( $field['value'] === null ) {
|
|
$field['value'] = acf_get_value( $post_id, $field );
|
|
}
|
|
|
|
// Render wrap.
|
|
acf_render_field_wrap( $field, $el, $instruction );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fires after fields have been rendered.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @param (int|string) $post_id The post ID to load values from.
|
|
*/
|
|
do_action( 'acf/render_fields', $fields, $post_id );
|
|
}
|
|
|
|
/**
|
|
* Render the wrapping element for a given field.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
* @param string $element The wrapping element type.
|
|
* @param string $instruction The instruction render position (label|field).
|
|
* @param bool $field_setting If a field setting is being rendered.
|
|
* @return void
|
|
*/
|
|
function acf_render_field_wrap( $field, $element = 'div', $instruction = 'label', $field_setting = false ) {
|
|
|
|
// Ensure field is complete (adds all settings).
|
|
$field = acf_validate_field( $field );
|
|
|
|
// Prepare field for input (modifies settings).
|
|
$field = acf_prepare_field( $field );
|
|
|
|
// Allow filters to cancel render.
|
|
if ( ! $field ) {
|
|
return;
|
|
}
|
|
|
|
// Determine wrapping element.
|
|
$elements = array(
|
|
'div' => 'div',
|
|
'tr' => 'td',
|
|
'td' => 'div',
|
|
'ul' => 'li',
|
|
'ol' => 'li',
|
|
'dl' => 'dt',
|
|
);
|
|
|
|
if ( isset( $elements[ $element ] ) ) {
|
|
$inner_element = $elements[ $element ];
|
|
} else {
|
|
$element = $inner_element = 'div';
|
|
}
|
|
|
|
// Generate wrapper attributes.
|
|
$wrapper = array(
|
|
'id' => '',
|
|
'class' => 'acf-field',
|
|
'width' => '',
|
|
'style' => '',
|
|
'data-name' => $field['_name'],
|
|
'data-type' => $field['type'],
|
|
'data-key' => $field['key'],
|
|
);
|
|
|
|
// Add field type attributes.
|
|
$wrapper['class'] .= " acf-field-{$field['type']}";
|
|
|
|
// add field key attributes
|
|
if ( $field['key'] ) {
|
|
$wrapper['class'] .= " acf-field-{$field['key']}";
|
|
}
|
|
|
|
// Add required attributes.
|
|
// Todo: Remove data-required
|
|
if ( $field['required'] ) {
|
|
$wrapper['class'] .= ' is-required';
|
|
$wrapper['data-required'] = 1;
|
|
}
|
|
|
|
// Support custom attributes.
|
|
if ( ! empty( $field['data'] ) && is_array( $field['data'] ) ) {
|
|
foreach ( $field['data'] as $name => $attr ) {
|
|
$wrapper[ 'data-' . $name ] = $attr;
|
|
}
|
|
unset( $field['data'] );
|
|
}
|
|
|
|
// Clean up class attribute.
|
|
$wrapper['class'] = str_replace( '_', '-', $wrapper['class'] );
|
|
$wrapper['class'] = str_replace( 'field-field-', 'field-', $wrapper['class'] );
|
|
|
|
// Merge in field 'wrapper' setting without destroying class and style.
|
|
if ( $field['wrapper'] ) {
|
|
$wrapper = acf_merge_attributes( $wrapper, $field['wrapper'] );
|
|
}
|
|
|
|
// Extract wrapper width and generate style.
|
|
// Todo: Move from $wrapper out into $field.
|
|
$width = acf_extract_var( $wrapper, 'width' );
|
|
if ( $width ) {
|
|
$width = acf_numval( $width );
|
|
if ( $element !== 'tr' && $element !== 'td' ) {
|
|
$wrapper['data-width'] = $width;
|
|
$wrapper['style'] .= " width:{$width}%;";
|
|
}
|
|
}
|
|
|
|
// Clean up all attributes.
|
|
$wrapper = array_map( 'trim', $wrapper );
|
|
$wrapper = array_filter( $wrapper );
|
|
|
|
/**
|
|
* Filters the $wrapper array before rendering.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $wrapper The wrapper attributes array.
|
|
* @param array $field The field array.
|
|
*/
|
|
$wrapper = apply_filters( 'acf/field_wrapper_attributes', $wrapper, $field );
|
|
|
|
// Append conditional logic attributes.
|
|
if ( ! empty( $field['conditional_logic'] ) ) {
|
|
$wrapper['data-conditions'] = $field['conditional_logic'];
|
|
}
|
|
if ( ! empty( $field['conditions'] ) ) {
|
|
$wrapper['data-conditions'] = $field['conditions'];
|
|
}
|
|
|
|
// Vars for render.
|
|
$attributes_html = acf_esc_attrs( $wrapper );
|
|
|
|
// Render HTML
|
|
echo "<$element $attributes_html>" . "\n";
|
|
if ( $element !== 'td' ) {
|
|
echo "<$inner_element class=\"acf-label\">" . "\n";
|
|
acf_render_field_label( $field );
|
|
if ( $instruction == 'label' ) {
|
|
acf_render_field_instructions( $field, $field_setting );
|
|
}
|
|
echo "</$inner_element>" . "\n";
|
|
}
|
|
echo "<$inner_element class=\"acf-input\">" . "\n";
|
|
acf_render_field( $field );
|
|
if ( ! $field_setting && $instruction == 'field' ) {
|
|
acf_render_field_instructions( $field );
|
|
}
|
|
echo "</$inner_element>" . "\n";
|
|
|
|
if ( $field_setting && $instruction == 'field' ) {
|
|
acf_render_field_instructions( $field );
|
|
}
|
|
echo "</$element>" . "\n";
|
|
}
|
|
|
|
/**
|
|
* acf_render_field
|
|
*
|
|
* Render the input element for a given field.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
|
|
* @return void
|
|
*/
|
|
function acf_render_field( $field ) {
|
|
|
|
// Ensure field is complete (adds all settings).
|
|
$field = acf_validate_field( $field );
|
|
|
|
// Prepare field for input (modifies settings).
|
|
$field = acf_prepare_field( $field );
|
|
|
|
// Allow filters to cancel render.
|
|
if ( ! $field ) {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Fires when rendering a field.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
do_action( 'acf/render_field', $field );
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_action_variations( 'acf/render_field', array( 'type', 'name', 'key' ), 0 );
|
|
|
|
/**
|
|
* acf_render_field_label
|
|
*
|
|
* Renders the field's label.
|
|
*
|
|
* @date 19/9/17
|
|
* @since 5.6.3
|
|
*
|
|
* @param array $field The field array.
|
|
* @return void
|
|
*/
|
|
function acf_render_field_label( $field ) {
|
|
|
|
// Get label.
|
|
$label = acf_get_field_label( $field );
|
|
|
|
// Output label.
|
|
if ( $label ) {
|
|
echo '<label' . ( $field['id'] ? ' for="' . esc_attr( $field['id'] ) . '"' : '' ) . '>' . acf_esc_html( $label ) . '</label>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* acf_get_field_label
|
|
*
|
|
* Returns the field's label with appropriate required label.
|
|
*
|
|
* @date 4/11/2013
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
* @param string $context The output context (admin).
|
|
* @return string The field label in HTML format.
|
|
*/
|
|
function acf_get_field_label( $field, $context = '' ) {
|
|
|
|
// Get label.
|
|
$label = $field['label'];
|
|
|
|
// Display empty text when editing field.
|
|
if ( $context == 'admin' && $label === '' ) {
|
|
$label = __( '(no label)', 'acf' );
|
|
}
|
|
|
|
// Add required HTML.
|
|
if ( $field['required'] ) {
|
|
$label .= ' <span class="acf-required">*</span>';
|
|
}
|
|
|
|
/**
|
|
* Filters the field's label HTML.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param string The label HTML.
|
|
* @param array $field The field array.
|
|
* @param string $context The output context (admin).
|
|
*/
|
|
$label = apply_filters( 'acf/get_field_label', $label, $field, $context );
|
|
|
|
// Return label.
|
|
return $label;
|
|
}
|
|
|
|
/**
|
|
* Renders the field's instructions.
|
|
*
|
|
* @since 5.6.3
|
|
*
|
|
* @param array $field The field array.
|
|
* @param boolean $tooltip If the instructions are being rendered as a tooltip.
|
|
* @return void
|
|
*/
|
|
function acf_render_field_instructions( $field, $tooltip = false ) {
|
|
if ( $field['instructions'] ) {
|
|
$instructions = acf_esc_html( $field['instructions'] );
|
|
|
|
if ( $tooltip ) {
|
|
printf( '<div class="acf-tip"><i tabindex="0" class="acf-icon acf-icon-help acf-js-tooltip" title="%s">?</i></div>', $instructions );
|
|
} else {
|
|
printf( '<p class="description">%s</p>', $instructions );
|
|
}
|
|
} elseif ( ! empty( $field['hint'] ) ) {
|
|
$instructions = acf_esc_html( $field['hint'] );
|
|
printf( '<p class="description">%s</p>', $instructions );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* acf_render_field_setting
|
|
*
|
|
* Renders a field setting used in the admin edit screen.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
|
|
* @param array $setting The settings field array.
|
|
* @param bool $global Whether this setting is a global or field type specific one.
|
|
* @return void
|
|
*/
|
|
function acf_render_field_setting( $field, $setting, $global = false ) {
|
|
|
|
// Validate field.
|
|
$setting = acf_validate_field( $setting );
|
|
|
|
// Add custom attributes to setting wrapper.
|
|
$setting['wrapper']['data-key'] = $setting['name'];
|
|
$setting['wrapper']['class'] .= ' acf-field-setting-' . $setting['name'];
|
|
if ( ! $global ) {
|
|
$setting['wrapper']['data-setting'] = $field['type'];
|
|
}
|
|
|
|
// Add classes for appended and prepended fields.
|
|
if ( ! empty( $setting['append'] ) ) {
|
|
$setting['wrapper']['class'] .= ' acf-field-appended';
|
|
}
|
|
if ( ! empty( $setting['prepend'] ) ) {
|
|
$setting['wrapper']['class'] .= ' acf-field-prepended';
|
|
}
|
|
|
|
// Copy across prefix.
|
|
$setting['prefix'] = $field['prefix'];
|
|
|
|
// Find setting value from field.
|
|
if ( $setting['value'] === null ) {
|
|
|
|
// Name.
|
|
if ( isset( $field[ $setting['name'] ] ) ) {
|
|
$setting['value'] = $field[ $setting['name'] ];
|
|
|
|
// Default value.
|
|
} elseif ( isset( $setting['default_value'] ) ) {
|
|
$setting['value'] = $setting['default_value'];
|
|
}
|
|
}
|
|
|
|
// Add append attribute used by JS to join settings.
|
|
if ( isset( $setting['_append'] ) ) {
|
|
$setting['wrapper']['data-append'] = $setting['_append'];
|
|
}
|
|
|
|
// If we're using a hint, set the label location as field so it appears after.
|
|
$label_location = ! empty( $setting['instructions'] ) ? 'field' : 'label';
|
|
|
|
// If we're a true false field, force label location to label.
|
|
if ( $setting['type'] === 'true_false' ) {
|
|
$label_location = 'label';
|
|
}
|
|
|
|
// Render setting.
|
|
acf_render_field_wrap( $setting, 'div', $label_location );
|
|
}
|
|
|
|
/**
|
|
* acf_update_field
|
|
*
|
|
* Updates a field in the database.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
|
|
* @param array $specific An array of specific field attributes to update.
|
|
* @return array
|
|
*/
|
|
function acf_update_field( $field, $specific = array() ) {
|
|
|
|
// Validate field.
|
|
$field = acf_validate_field( $field );
|
|
|
|
// May have been posted. Remove slashes.
|
|
$field = wp_unslash( $field );
|
|
|
|
// Parse types (converts string '0' to int 0).
|
|
$field = acf_parse_types( $field );
|
|
|
|
// Clean up conditional logic keys.
|
|
if ( $field['conditional_logic'] ) {
|
|
|
|
// Remove empty values and convert to associated array.
|
|
$field['conditional_logic'] = array_filter( $field['conditional_logic'] );
|
|
$field['conditional_logic'] = array_values( $field['conditional_logic'] );
|
|
$field['conditional_logic'] = array_map( 'array_filter', $field['conditional_logic'] );
|
|
$field['conditional_logic'] = array_map( 'array_values', $field['conditional_logic'] );
|
|
}
|
|
|
|
// Parent may be provided as a field key.
|
|
if ( $field['parent'] && ! is_numeric( $field['parent'] ) ) {
|
|
$parent = acf_get_field_post( $field['parent'] );
|
|
$field['parent'] = $parent ? $parent->ID : 0;
|
|
}
|
|
|
|
/**
|
|
* Filters the $field array before it is updated.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
$field = apply_filters( 'acf/update_field', $field );
|
|
|
|
// Make a backup of field data and remove some args.
|
|
$_field = $field;
|
|
acf_extract_vars( $_field, array( 'ID', 'key', 'label', 'name', 'prefix', 'value', 'menu_order', 'id', 'class', 'parent', '_name', '_prepare', '_valid' ) );
|
|
|
|
// Create array of data to save.
|
|
$save = array(
|
|
'ID' => $field['ID'],
|
|
'post_status' => 'publish',
|
|
'post_type' => 'acf-field',
|
|
'post_title' => $field['label'],
|
|
'post_name' => $field['key'],
|
|
'post_excerpt' => $field['name'],
|
|
'post_content' => maybe_serialize( $_field ),
|
|
'post_parent' => $field['parent'],
|
|
'menu_order' => $field['menu_order'],
|
|
);
|
|
|
|
// Reduce save data if specific key list is provided.
|
|
if ( $specific ) {
|
|
$specific[] = 'ID';
|
|
$save = acf_get_sub_array( $save, $specific );
|
|
}
|
|
|
|
// Unhook wp_targeted_link_rel() filter from WP 5.1 corrupting serialized data.
|
|
remove_filter( 'content_save_pre', 'wp_targeted_link_rel' );
|
|
|
|
// Slash data.
|
|
// WP expects all data to be slashed and will unslash it (fixes '\' character issues).
|
|
$save = wp_slash( $save );
|
|
|
|
// Update or Insert.
|
|
if ( $field['ID'] ) {
|
|
wp_update_post( $save );
|
|
} else {
|
|
$field['ID'] = wp_insert_post( $save );
|
|
}
|
|
|
|
// Flush field cache.
|
|
acf_flush_field_cache( $field );
|
|
|
|
/**
|
|
* Fires after a field has been updated, and the field cache has been cleaned.
|
|
*
|
|
* @date 24/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
do_action( 'acf/updated_field', $field );
|
|
|
|
// Return field.
|
|
return $field;
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_filter_variations( 'acf/update_field', array( 'type', 'name', 'key' ), 0 );
|
|
|
|
/**
|
|
* _acf_apply_unique_field_slug
|
|
*
|
|
* Allows full control over 'acf-field' slugs.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param string $slug The post slug.
|
|
* @param int $post_ID Post ID.
|
|
* @param string $post_status The post status.
|
|
* @param string $post_type Post type.
|
|
* @param int $post_parent Post parent ID
|
|
* @param string $original_slug The original post slug.
|
|
*/
|
|
function _acf_apply_unique_field_slug( $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ) {
|
|
|
|
// Check post type and reset to original value.
|
|
if ( $post_type === 'acf-field' ) {
|
|
return $original_slug;
|
|
}
|
|
|
|
// Return slug.
|
|
return $slug;
|
|
}
|
|
|
|
// Hook into filter.
|
|
add_filter( 'wp_unique_post_slug', '_acf_apply_unique_field_slug', 999, 6 );
|
|
|
|
/**
|
|
* acf_flush_field_cache
|
|
*
|
|
* Deletes all caches for this field.
|
|
*
|
|
* @date 22/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
|
|
* @return void
|
|
*/
|
|
function acf_flush_field_cache( $field ) {
|
|
|
|
// Delete stored data.
|
|
acf_get_store( 'fields' )->remove( $field['key'] );
|
|
|
|
// Flush cached post_id for this field's name and key.
|
|
wp_cache_delete( acf_cache_key( "acf_get_field_post:name:{$field['name']}" ), 'acf' );
|
|
wp_cache_delete( acf_cache_key( "acf_get_field_post:key:{$field['key']}" ), 'acf' );
|
|
|
|
// Flush cached array of post_ids for this field's parent.
|
|
wp_cache_delete( acf_cache_key( "acf_get_field_posts:{$field['parent']}" ), 'acf' );
|
|
}
|
|
|
|
/**
|
|
* acf_delete_field
|
|
*
|
|
* Deletes a field from the database.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param (int|string) $id The field ID, key or name.
|
|
* @return bool True if field was deleted.
|
|
*/
|
|
function acf_delete_field( $id = 0 ) {
|
|
|
|
// Get the field.
|
|
$field = acf_get_field( $id );
|
|
|
|
// Bail early if field was not found.
|
|
if ( ! $field || ! $field['ID'] ) {
|
|
return false;
|
|
}
|
|
|
|
// Delete post.
|
|
wp_delete_post( $field['ID'], true );
|
|
|
|
// Flush field cache.
|
|
acf_flush_field_cache( $field );
|
|
|
|
/**
|
|
* Fires immediately after a field has been deleted.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
do_action( 'acf/delete_field', $field );
|
|
|
|
// Return true.
|
|
return true;
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_action_variations( 'acf/delete_field', array( 'type', 'name', 'key' ), 0 );
|
|
|
|
/**
|
|
* acf_trash_field
|
|
*
|
|
* Trashes a field from the database.
|
|
*
|
|
* @date 2/10/13
|
|
* @since 5.0.0
|
|
*
|
|
* @param (int|string) $id The field ID, key or name.
|
|
* @return bool True if field was trashed.
|
|
*/
|
|
function acf_trash_field( $id = 0 ) {
|
|
|
|
// Get the field.
|
|
$field = acf_get_field( $id );
|
|
|
|
// Bail early if field was not found.
|
|
if ( ! $field || ! $field['ID'] ) {
|
|
return false;
|
|
}
|
|
|
|
// Trash post.
|
|
wp_trash_post( $field['ID'], true );
|
|
|
|
/**
|
|
* Fires immediately after a field has been trashed.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
do_action( 'acf/trash_field', $field );
|
|
|
|
// Return true.
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* acf_untrash_field
|
|
*
|
|
* Restores a field from the trash.
|
|
*
|
|
* @date 2/10/13
|
|
* @since 5.0.0
|
|
*
|
|
* @param (int|string) $id The field ID, key or name.
|
|
* @return bool True if field was trashed.
|
|
*/
|
|
function acf_untrash_field( $id = 0 ) {
|
|
|
|
// Get the field.
|
|
$field = acf_get_field( $id );
|
|
|
|
// Bail early if field was not found.
|
|
if ( ! $field || ! $field['ID'] ) {
|
|
return false;
|
|
}
|
|
|
|
// Untrash post.
|
|
wp_untrash_post( $field['ID'], true );
|
|
|
|
// Flush field cache.
|
|
acf_flush_field_cache( $field );
|
|
|
|
/**
|
|
* Fires immediately after a field has been trashed.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
do_action( 'acf/untrash_field', $field );
|
|
|
|
// Return true.
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Filter callback which returns the previous post_status instead of "draft" for the "acf-field" post type.
|
|
*
|
|
* Prior to WordPress 5.6.0, this filter was not needed as restored posts were always assigned their original status.
|
|
*
|
|
* @since 5.9.5
|
|
*
|
|
* @param string $new_status The new status of the post being restored.
|
|
* @param int $post_id The ID of the post being restored.
|
|
* @param string $previous_status The status of the post at the point where it was trashed.
|
|
* @return string.
|
|
*/
|
|
function _acf_untrash_field_post_status( $new_status, $post_id, $previous_status ) {
|
|
return ( get_post_type( $post_id ) === 'acf-field' ) ? $previous_status : $new_status;
|
|
}
|
|
|
|
add_action( 'wp_untrash_post_status', '_acf_untrash_field_post_status', 10, 3 );
|
|
|
|
/**
|
|
* acf_prefix_fields
|
|
*
|
|
* Changes the prefix for an array of fields by reference.
|
|
*
|
|
* @date 5/9/17
|
|
* @since 5.6.0
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @param string $prefix The new prefix.
|
|
* @return void
|
|
*/
|
|
function acf_prefix_fields( &$fields, $prefix = 'acf' ) {
|
|
|
|
// Loopover fields.
|
|
foreach ( $fields as &$field ) {
|
|
|
|
// Replace 'acf' with $prefix.
|
|
$field['prefix'] = $prefix . substr( $field['prefix'], 3 );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* acf_get_sub_field
|
|
*
|
|
* Searches a field for sub fields matching the given selector.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param (int|string) $id The field ID, key or name.
|
|
* @param array $field The parent field array.
|
|
* @return (array|false)
|
|
*/
|
|
function acf_get_sub_field( $id, $field ) {
|
|
|
|
// Vars.
|
|
$sub_field = false;
|
|
|
|
// Search sub fields.
|
|
if ( isset( $field['sub_fields'] ) ) {
|
|
$sub_field = acf_search_fields( $id, $field['sub_fields'] );
|
|
}
|
|
|
|
/**
|
|
* Filters the $sub_field found.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $sub_field The found sub field array.
|
|
* @param string $selector The selector used to search.
|
|
* @param array $field The parent field array.
|
|
*/
|
|
$sub_field = apply_filters( 'acf/get_sub_field', $sub_field, $id, $field );
|
|
|
|
// return
|
|
return $sub_field;
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_filter_variations( 'acf/get_sub_field', array( 'type' ), 2 );
|
|
|
|
/**
|
|
* acf_search_fields
|
|
*
|
|
* Searches an array of fields for one that matches the given identifier.
|
|
*
|
|
* @date 12/2/19
|
|
* @since 5.7.11
|
|
*
|
|
* @param (int|string) $id The field ID, key or name.
|
|
* @param array $haystack The array of fields.
|
|
* @return (int|false)
|
|
*/
|
|
function acf_search_fields( $id, $fields ) {
|
|
|
|
// Loop over searchable keys in order of priority.
|
|
// Important to search "name" on all fields before "_name" backup.
|
|
foreach ( array( 'key', 'name', '_name', '__name' ) as $key ) {
|
|
|
|
// Loop over fields and compare.
|
|
foreach ( $fields as $field ) {
|
|
if ( isset( $field[ $key ] ) && $field[ $key ] === $id ) {
|
|
return $field;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Return not found.
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* acf_is_field
|
|
*
|
|
* Returns true if the given params match a field.
|
|
*
|
|
* @date 21/1/19
|
|
* @since 5.7.10
|
|
*
|
|
* @param array $field The field array.
|
|
* @param mixed $id An optional identifier to search for.
|
|
* @return bool
|
|
*/
|
|
function acf_is_field( $field = false, $id = '' ) {
|
|
return (
|
|
is_array( $field )
|
|
&& isset( $field['key'] )
|
|
&& isset( $field['name'] )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* acf_get_field_ancestors
|
|
*
|
|
* Returns an array of ancestor field ID's or keys.
|
|
*
|
|
* @date 22/06/2016
|
|
* @since 5.3.8
|
|
*
|
|
* @param array $field The field array.
|
|
* @return array
|
|
*/
|
|
function acf_get_field_ancestors( $field ) {
|
|
|
|
// Vars.
|
|
$ancestors = array();
|
|
|
|
// Loop over parents.
|
|
while ( $field['parent'] && $field = acf_get_field( $field['parent'] ) ) {
|
|
$ancestors[] = $field['ID'] ? $field['ID'] : $field['key'];
|
|
}
|
|
|
|
// return
|
|
return $ancestors;
|
|
}
|
|
|
|
/**
|
|
* acf_duplicate_fields
|
|
*
|
|
* Duplicate an array of fields.
|
|
*
|
|
* @date 16/06/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @param int $parent_id The new parent ID.
|
|
* @return array
|
|
*/
|
|
function acf_duplicate_fields( $fields = array(), $parent_id = 0 ) {
|
|
|
|
// Generate keys for all new fields
|
|
// - Needed to alter conditional logic rules
|
|
// - Use usleep() to ensure unique keys.
|
|
$keys = array();
|
|
foreach ( $fields as $field ) {
|
|
usleep( 1 );
|
|
$keys[ $field['key'] ] = uniqid( 'field_' );
|
|
}
|
|
acf_append_data( 'generated_keys', $keys );
|
|
|
|
$duplicates = array();
|
|
|
|
// Duplicate fields.
|
|
foreach ( $fields as $field ) {
|
|
$field_id = $field['ID'] ? $field['ID'] : $field['key'];
|
|
$duplicates[] = acf_duplicate_field( $field_id, $parent_id );
|
|
}
|
|
|
|
// Return.
|
|
return $duplicates;
|
|
}
|
|
|
|
/**
|
|
* acf_duplicate_field
|
|
*
|
|
* Duplicates a field.
|
|
*
|
|
* @date 16/06/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param (int|string) $id The field ID, key or name.
|
|
* @param int $parent_id The new parent ID.
|
|
* @return bool True if field was duplicated.
|
|
*/
|
|
function acf_duplicate_field( $id = 0, $parent_id = 0 ) {
|
|
|
|
// Get the field.
|
|
$field = acf_get_field( $id );
|
|
|
|
// Bail early if field was not found.
|
|
if ( ! $field ) {
|
|
return false;
|
|
}
|
|
|
|
// Remove ID to avoid update.
|
|
$field['ID'] = 0;
|
|
|
|
// Generate key.
|
|
$keys = acf_get_data( 'generated_keys' );
|
|
if ( isset( $keys[ $field['key'] ] ) ) {
|
|
$field['key'] = $keys[ $field['key'] ];
|
|
} else {
|
|
$field['key'] = uniqid( 'field_' );
|
|
}
|
|
|
|
// Set parent.
|
|
if ( $parent_id ) {
|
|
$field['parent'] = $parent_id;
|
|
}
|
|
|
|
// Update conditional logic references because field keys have changed.
|
|
if ( $field['conditional_logic'] ) {
|
|
|
|
// Loop over groups
|
|
foreach ( $field['conditional_logic'] as $group_i => $group ) {
|
|
|
|
// Loop over rules
|
|
foreach ( $group as $rule_i => $rule ) {
|
|
$field['conditional_logic'][ $group_i ][ $rule_i ]['field'] = isset( $keys[ $rule['field'] ] ) ? $keys[ $rule['field'] ] : $rule['field'];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the $field array after it has been duplicated.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
$field = apply_filters( 'acf/duplicate_field', $field );
|
|
|
|
// Update and return.
|
|
return acf_update_field( $field );
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_filter_variations( 'acf/duplicate_field', array( 'type' ), 0 );
|
|
|
|
/**
|
|
* acf_prepare_fields_for_export
|
|
*
|
|
* Returns a modified array of fields ready for export.
|
|
*
|
|
* @date 11/03/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @return array
|
|
*/
|
|
function acf_prepare_fields_for_export( $fields = array() ) {
|
|
|
|
// Map function and return.
|
|
return array_map( 'acf_prepare_field_for_export', $fields );
|
|
}
|
|
|
|
/**
|
|
* acf_prepare_field_for_export
|
|
*
|
|
* Returns a modified field ready for export.
|
|
*
|
|
* @date 11/03/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
* @return array
|
|
*/
|
|
function acf_prepare_field_for_export( $field ) {
|
|
|
|
// Remove args.
|
|
acf_extract_vars( $field, array( 'ID', 'prefix', 'value', 'menu_order', 'id', 'class', 'parent', '_name', '_prepare', '_valid' ) );
|
|
|
|
/**
|
|
* Filters the $field array before being returned to the export tool.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
return apply_filters( 'acf/prepare_field_for_export', $field );
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_filter_variations( 'acf/prepare_field_for_export', array( 'type' ), 0 );
|
|
|
|
/**
|
|
* acf_prepare_field_for_import
|
|
*
|
|
* Returns a modified array of fields ready for import.
|
|
*
|
|
* @date 11/03/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $fields An array of fields.
|
|
* @return array
|
|
*/
|
|
function acf_prepare_fields_for_import( $fields = array() ) {
|
|
|
|
// Ensure array is sequential.
|
|
$fields = array_values( $fields );
|
|
|
|
// Prepare each field for import making sure to detect additional sub fields.
|
|
$i = 0;
|
|
while ( $i < count( $fields ) ) {
|
|
|
|
// Prepare field.
|
|
$field = acf_prepare_field_for_import( $fields[ $i ] );
|
|
|
|
// Update single field.
|
|
if ( isset( $field['key'] ) ) {
|
|
$fields[ $i ] = $field;
|
|
|
|
// Insert multiple fields.
|
|
} else {
|
|
array_splice( $fields, $i, 1, $field );
|
|
}
|
|
|
|
// Iterate.
|
|
++$i;
|
|
}
|
|
|
|
/**
|
|
* Filters the $fields array before being returned to the import tool.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $fields The array of fields.
|
|
*/
|
|
return apply_filters( 'acf/prepare_fields_for_import', $fields );
|
|
}
|
|
|
|
/**
|
|
* acf_prepare_field_for_import
|
|
*
|
|
* Returns a modified field ready for import.
|
|
* Allows parent fields to modify themselves and also return sub fields.
|
|
*
|
|
* @date 11/03/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
* @return array
|
|
*/
|
|
function acf_prepare_field_for_import( $field ) {
|
|
|
|
/**
|
|
* Filters the $field array before being returned to the import tool.
|
|
*
|
|
* @date 12/02/2014
|
|
* @since 5.0.0
|
|
*
|
|
* @param array $field The field array.
|
|
*/
|
|
return apply_filters( 'acf/prepare_field_for_import', $field );
|
|
}
|
|
|
|
// Register variation.
|
|
acf_add_filter_variations( 'acf/prepare_field_for_import', array( 'type' ), 0 );
|