<?php

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/**

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* Helper functions to work with form fields, generic and specific to certain field types.

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*

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* @since 1.8.0

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*/

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/**

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* Determine if we should show the "Show Values" toggle for checkbox, radio, or

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* select fields in form builder. Legacy.

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*

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* @since 1.5.0

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*

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* @return bool

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*/

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function wpforms_show_fields_options_setting(): bool {

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/**

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* Filter to show or hide the "Show Values" toggle for checkbox, radio, or select fields in form builder.

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*

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* @since 1.5.0

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*

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* @param bool $show Show or hide the "Show Values" toggle.

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*/

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return (bool) apply_filters( 'wpforms_fields_show_options_setting', false );

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}

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/**

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* Return field choice properties for field configured with dynamic choices.

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*

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* @since 1.4.5

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*

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* @param array $field Field settings.

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* @param int $form_id Form ID.

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* @param array $form_data Form data and settings.

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*

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* @return false|array

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*/

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function wpforms_get_field_dynamic_choices( $field, $form_id, $form_data = [] ) {

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if ( empty( $field['dynamic_choices'] ) ) {

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return false;

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}

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$choices = [];

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if ( $field['dynamic_choices'] === 'post_type' ) {

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if ( empty( $field['dynamic_post_type'] ) ) {

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return false;

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}

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$posts = wpforms_get_hierarchical_object(

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/**

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* Filter the arguments used to retrieve posts for dynamic choices.

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*

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* @since 1.4.5

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*

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* @param array $args Array of arguments for retrieving posts.

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* @param array $field Field settings.

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* @param int $form_id Form ID.

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*/

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apply_filters(

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'wpforms_dynamic_choice_post_type_args',

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[

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'post_type' => $field['dynamic_post_type'],

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'posts_per_page' => -1,

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'orderby' => 'title',

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'order' => 'ASC',

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],

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$field,

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$form_id

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),

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true

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);

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foreach ( $posts as $post ) {

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$choices[] = [

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'value' => $post->ID,

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'label' => wpforms_get_post_title( $post ),

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'depth' => isset( $post->depth ) ? absint( $post->depth ) : 1,

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];

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}

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} elseif ( $field['dynamic_choices'] === 'taxonomy' ) {

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if ( empty( $field['dynamic_taxonomy'] ) ) {

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return false;

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}

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$terms = wpforms_get_hierarchical_object(

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/**

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* Filter the arguments used to retrieve terms for dynamic choices.

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*

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* @since 1.4.5

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*

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* @param array $args Array of arguments for retrieving terms.

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* @param array $field Field settings.

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* @param array $form_data Form data.

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*/

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apply_filters(

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'wpforms_dynamic_choice_taxonomy_args',

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[

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'taxonomy' => $field['dynamic_taxonomy'],

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'hide_empty' => false,

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],

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$field,

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$form_data

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),

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true

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);

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foreach ( $terms as $term ) {

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$choices[] = [

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'value' => $term->term_id,

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'label' => wpforms_get_term_name( $term ),

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'depth' => isset( $term->depth ) ? absint( $term->depth ) : 1,

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];

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}

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}

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return $choices;

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}

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/**

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* Build and return either a taxonomy or post type object nested to accommodate any hierarchy.

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*

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* @since 1.3.9

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* @since 1.5.0 Return an array only. Empty array of no data.

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*

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* @param array $args Object arguments to pass to data retrieval function.

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* @param bool $flat Preserve hierarchy or not. False by default - preserve it.

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*

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* @return array

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*/

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function wpforms_get_hierarchical_object( $args = [], $flat = false ): array { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh, Generic.Metrics.NestingLevel.MaxExceeded

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if ( empty( $args['taxonomy'] ) && empty( $args['post_type'] ) ) {

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return [];

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}

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$children = [];

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$parents = [];

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$ref_parent = '';

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$ref_name = '';

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$number = 0;

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if ( ! empty( $args['post_type'] ) ) {

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$defaults = [

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'posts_per_page' => - 1,

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'orderby' => 'title',

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'order' => 'ASC',

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];

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$args = wp_parse_args( $args, $defaults );

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$items = get_posts( $args );

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$ref_parent = 'post_parent';

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$ref_id = 'ID';

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$ref_name = 'post_title';

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$number = ! empty( $args['posts_per_page'] ) ? $args['posts_per_page'] : 0;

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} elseif ( ! empty( $args['taxonomy'] ) ) {

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$defaults = [

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'hide_empty' => false,

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'orderby' => 'name',

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'order' => 'ASC',

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];

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$args = wp_parse_args( $args, $defaults );

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$items = get_terms( $args );

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$ref_parent = 'parent';

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$ref_id = 'term_id';

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$ref_name = 'name';

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$number = ! empty( $args['number'] ) ? $args['number'] : 0;

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}

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if ( empty( $items ) || is_wp_error( $items ) ) {

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return [];

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}

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foreach ( $items as $item ) {

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if ( $item->{$ref_parent} ) {

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$children[ $item->{$ref_id} ] = $item;

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$children[ $item->{$ref_id} ]->ID = (int) $item->{$ref_id};

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} else {

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$parents[ $item->{$ref_id} ] = $item;

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$parents[ $item->{$ref_id} ]->ID = (int) $item->{$ref_id};

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}

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}

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$children_count = count( $children );

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$is_limited = $number > 1;

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// We can't guarantee that all children have a parent if there is a limit in the request.

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// Hence, we have to make sure that there is a parent for every child.

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if ( $is_limited && $children_count ) {

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foreach ( $children as $child ) {

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// The current WP_Post or WP_Term object to operate on.

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$current = $child;

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// The current object's parent is already in the list of parents or children.

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if ( ! empty( $parents[ $child->{$ref_parent} ] ) || ! empty( $children[ $child->{$ref_parent} ] ) ) {

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continue;

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}

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do {

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// Set the current object to the previous iteration's parent object.

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$current = ! empty( $args['post_type'] ) ? get_post( $current->{$ref_parent} ) : get_term( $current->{$ref_parent} );

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if ( $current->{$ref_parent} === 0 ) {

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// We've reached the top of the hierarchy.

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$parents[ $current->{$ref_id} ] = $current;

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$parents[ $current->{$ref_id} ]->ID = (int) $current->{$ref_id};

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} else {

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// We're still in the middle of the hierarchy.

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$children[ $current->{$ref_id} ] = $current;

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$children[ $current->{$ref_id} ]->ID = (int) $current->{$ref_id};

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}

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} while ( $current->{$ref_parent} > 0 );

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}

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}

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while ( $children_count >= 1 ) {

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foreach ( $children as $child ) {

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_wpforms_get_hierarchical_object_search( $child, $parents, $children, $ref_parent );

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// $children is modified by reference, so we need to recount to make sure we met the limits.

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$children_count = count( $children );

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}

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}

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// Sort nested child objects alphabetically using natural order, applies only

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// to ordering by entry title or term name.

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if ( in_array( $args['orderby'], [ 'title', 'name' ], true ) ) {

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_wpforms_sort_hierarchical_object( $parents, $args['orderby'], $args['order'] );

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}

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if ( $flat ) {

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$parents_flat = [];

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_wpforms_get_hierarchical_object_flatten( $parents, $parents_flat, $ref_name );

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$parents = $parents_flat;

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}

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return $is_limited ? array_slice( $parents, 0, $number ) : $parents;

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}

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/**

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* Sort a nested array of objects.

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*

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* @since 1.6.5

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*

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* @param array $objects An array of objects to sort.

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* @param string $orderby The object field to order by.

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* @param string $order Order direction.

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*/

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function _wpforms_sort_hierarchical_object( $objects, $orderby, $order ) {

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// Map WP_Query/WP_Term_Query orderby to WP_Post/WP_Term property.

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$map = [

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'title' => 'post_title',

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'name' => 'name',

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];

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foreach ( $objects as $object ) {

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if ( ! isset( $object->children ) ) {

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continue;

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}

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uasort(

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$object->children,

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static function ( $a, $b ) use ( $map, $orderby, $order ) {

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/**

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* This covers most cases and works for most languages.

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* For some – e.g.,

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* European languages that use extended latin charset (Polish, German, etc.)

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* it will sort the objects into two groups – base and extended, properly sorted within each group.

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* Making it even more robust requires either additional PHP extensions to be installed on the server

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* or using heavy (and slow) conversions and computations.

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*/

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return $order === 'ASC' ?

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strnatcasecmp( $a->{$map[ $orderby ]}, $b->{$map[ $orderby ]} ) :

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strnatcasecmp( $b->{$map[ $orderby ]}, $a->{$map[ $orderby ]} );

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}

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);

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_wpforms_sort_hierarchical_object( $object->children, $orderby, $order );

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}

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}

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/**

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* Search a given array and find the parent of the provided object.

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*

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* @since 1.3.9

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*

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* @param object $child Current child.

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* @param array $parents Parents list.

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* @param array $children Children list.

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* @param string $ref_parent Parent reference.

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*/

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function _wpforms_get_hierarchical_object_search( $child, &$parents, &$children, $ref_parent ) {

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foreach ( $parents as $parent ) {

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if ( $parent->ID === $child->{$ref_parent} ) {

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$parent->children = $parent->children ?? [];

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$parent->children[ $child->ID ] = $child;

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unset( $children[ $child->ID ] );

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} elseif ( ! empty( $parent->children ) && is_array( $parent->children ) ) {

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_wpforms_get_hierarchical_object_search( $child, $parent->children, $children, $ref_parent );

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}

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}

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}

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/**

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* Flatten a hierarchical object.

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*

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* @since 1.3.9

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*

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* @param array $h_array Hierarchical array to process.

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* @param array $output Processed output.

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* @param string $ref_name Name reference.

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* @param int $level Nesting level.

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*/

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function _wpforms_get_hierarchical_object_flatten( $h_array, &$output, $ref_name = 'name', $level = 0 ) {

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/**

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* Filter the hierarchical object indicator.

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*

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* @since 1.3.9

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*

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* @param string $indicator Hierarchical object indicator.

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*/

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$indicator = (string) apply_filters( 'wpforms_hierarchical_object_indicator', '&mdash;' );

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foreach ( $h_array as $item ) {

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$item->{$ref_name} = str_repeat( $indicator, $level ) . ' ' . $item->{$ref_name};

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$item->depth = $level + 1;

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$output[ $item->ID ] = $item;

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if ( ! empty( $item->children ) ) {

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_wpforms_get_hierarchical_object_flatten( $item->children, $output, $ref_name, $level + 1 );

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unset( $output[ $item->ID ]->children );

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}

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}

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}

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/**

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* Get sanitized post title or "no title" placeholder.

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*

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* The placeholder is prepended with the post ID.

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*

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* @since 1.7.6

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*

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* @param WP_Post|mixed $post Post object.

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*

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* @return string Post title.

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*/

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function wpforms_get_post_title( $post ): string {

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return (

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wpforms_is_empty_string( trim( $post->post_title ) )

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/* translators: %d - post ID. */

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? sprintf( __( '#%d (no title)', 'wpforms-lite' ), absint( $post->ID ) )

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: $post->post_title

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);

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}

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/**

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* Get a sanitized term name or "no name" placeholder.

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*

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* The placeholder is prepended with the term ID.

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*

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* @since 1.7.6

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*

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* @param WP_Term $term Term object.

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*

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* @return string Term name.

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*/

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function wpforms_get_term_name( WP_Term $term ): string {

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return (

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wpforms_is_empty_string( trim( $term->name ) )

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/* translators: %d - taxonomy term ID. */

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? sprintf( __( '#%d (no name)', 'wpforms-lite' ), absint( $term->term_id ) )

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: trim( $term->name )

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);

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}

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[389] Fix | Delete

/**

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* Return information about pages if the form has multiple pages.

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*

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* @since 1.3.7

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*

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* @param WP_Post|array $form Form data.

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*

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* @return false|array Page Break details or false.

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*/

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function wpforms_get_pagebreak_details( $form = false ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

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if ( ! wpforms()->is_pro() ) {

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return false;

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}

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$details = [];

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$pages = 1;

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if ( is_object( $form ) && ! empty( $form->post_content ) ) {

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$form_data = wpforms_decode( $form->post_content );

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} elseif ( is_array( $form ) ) {

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$form_data = $form;

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}

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if ( empty( $form_data['fields'] ) ) {

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return false;

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}

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foreach ( $form_data['fields'] as $field ) {

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if ( $field['type'] !== 'pagebreak' ) {

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continue;

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}

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if ( empty( $field['position'] ) ) {

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++$pages;

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$details['total'] = $pages;

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$details['pages'][] = $field;

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} elseif ( $field['position'] === 'top' ) {

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$details['top'] = $field;

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} elseif ( $field['position'] === 'bottom' ) {

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$details['bottom'] = $field;

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}

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}

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if ( ! empty( $details ) ) {

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$details['top'] = empty( $details['top'] ) ? [] : $details['top'];

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$details['bottom'] = empty( $details['bottom'] ) ? [] : $details['bottom'];

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$details['current'] = 1;

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return $details;

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}

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return false;

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}

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[446] Fix | Delete

/**

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* Return available builder fields.

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*

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* @since 1.8.5

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*

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* @param string $group Group name.

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*

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* @return array

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*/

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function wpforms_get_builder_fields( string $group = '' ): array {

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$fields = [

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'standard' => [

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'group_name' => esc_html__( 'Standard Fields', 'wpforms-lite' ),

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'fields' => [],

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],

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'fancy' => [

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'group_name' => esc_html__( 'Fancy Fields', 'wpforms-lite' ),

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'fields' => [],

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],

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'payment' => [

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'group_name' => esc_html__( 'Payment Fields', 'wpforms-lite' ),

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'fields' => [],

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],

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];

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/**

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* Allows developers to modify the content of the Add Field tab.

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*

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* With this filter, developers can add their own fields or even fields groups.

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*

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* @since 1.4.0

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*

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* @param array $fields {

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* Fields data multidimensional array.

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*

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* @param array $standard Standard fields group.

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* @param string $group_name Group name.

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* @param array $fields Fields array.

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*

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* @param array $fancy Fancy fields group.

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* @param string $group_name Group name.

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* @param array $fields Fields array.

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*

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* @param array $payment Payment fields group.

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* @param string $group_name Group name.

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* @param array $fields Fields array.

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* }

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*/

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$fields = apply_filters( 'wpforms_builder_fields_buttons', $fields ); // phpcs:ignore WPForms.Comments.ParamTagHooks.InvalidParamTagsQuantity

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// If a group is not specified, return all fields.

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if ( empty( $group ) ) {

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