<?php

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/**

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* Ajax actions used in by admin.

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*

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* @since 1.0.0

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*/

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use WPForms\Helpers\DB;

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Save a form.

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*

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* @since 1.0.0

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*/

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function wpforms_save_form() {

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// Run a security check.

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if ( ! check_ajax_referer( 'wpforms-builder', 'nonce', false ) ) {

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wp_send_json_error( esc_html__( 'Your session expired. Please reload the builder.', 'wpforms-lite' ) );

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}

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// Check for permissions.

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if ( ! wpforms_current_user_can( 'edit_forms' ) ) {

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wp_send_json_error( esc_html__( 'You are not allowed to perform this action.', 'wpforms-lite' ) );

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}

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// Check for form data.

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if ( empty( $_POST['data'] ) ) {

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wp_send_json_error( esc_html__( 'Something went wrong while performing this action.', 'wpforms-lite' ) );

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}

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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

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$form_post = json_decode( wp_unslash( $_POST['data'] ), false );

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$data = wpforms_prepare_form_data( $form_post );

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$data = wpforms_sanitize_form_data( $data );

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// Process fields data.

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$data['fields'] = wpforms()->obj( 'builder_save_form' )->process_fields( $data['fields'], $data );

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// Get form tags.

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$form_tags = isset( $data['settings']['form_tags_json'] ) ? json_decode( wp_unslash( $data['settings']['form_tags_json'] ), true ) : [];

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// Clear unnecessary data.

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unset( $data['settings']['form_tags_json'] );

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// Store tags labels in the form settings.

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$data['settings']['form_tags'] = wp_list_pluck( $form_tags, 'label' );

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// Update form data.

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$form_id = (int) wpforms()->obj( 'form' )->update( $data['id'], $data, [ 'context' => 'save_form' ] );

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/**

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* Fires after updating form data.

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*

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* @since 1.4.0

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*

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* @param int $form_id Form ID.

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* @param array $data Form data.

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*/

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do_action( 'wpforms_builder_save_form', $form_id, $data );

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if ( ! $form_id ) {

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wp_send_json_error( esc_html__( 'Something went wrong while saving the form.', 'wpforms-lite' ) );

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}

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// Update form tags.

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wp_set_post_terms(

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$form_id,

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wpforms()->obj( 'forms_tags_ajax' )->get_processed_tags( $form_tags ),

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WPForms_Form_Handler::TAGS_TAXONOMY

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);

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$response_data = [

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'form_name' => esc_html( $data['settings']['form_title'] ),

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'form_desc' => $data['settings']['form_desc'],

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'redirect' => admin_url( 'admin.php?page=wpforms-overview' ),

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];

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/**

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* Allows filtering ajax response data after the form was saved.

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*

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* @since 1.5.1

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*

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* @param array $response_data The data to be sent in the response.

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* @param int $form_id Form ID.

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* @param array $data Form data.

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*/

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$response_data = apply_filters(

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'wpforms_builder_save_form_response_data',

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$response_data,

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$form_id,

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$data

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);

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wp_send_json_success( $response_data );

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}

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add_action( 'wp_ajax_wpforms_save_form', 'wpforms_save_form' );

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/**

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* Prepare form data.

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*

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* @since 1.9.4

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*

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* @param object $form_post Form data received from $_POST.

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*

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* @return array

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*/

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function wpforms_prepare_form_data( $form_post ): array {

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$data = [

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'fields' => [],

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];

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if ( ! $form_post ) {

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return $data;

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}

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$new_post_data_accum = [];

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foreach ( $form_post as $post_input_data ) {

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// For input names that are arrays (e.g. `menu-item-db-id[3][4][5]`),

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// derive the array path keys via regex and set the value in $_POST.

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preg_match( '#([^\[]*)(\[(.+)])?#', $post_input_data->name, $matches );

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$array_bits = [ $matches[1] ];

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if ( isset( $matches[3] ) ) {

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/**

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* This array_merge is not slow because it is new for each loop iteration.

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*

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* @noinspection SlowArrayOperationsInLoopInspection

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*/

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$array_bits = array_merge( $array_bits, explode( '][', $matches[3] ) );

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}

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$new_post_data = [];

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// Build the new array value from leaf to trunk.

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for ( $i = count( $array_bits ) - 1; $i >= 0; $i-- ) {

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if ( $i === count( $array_bits ) - 1 ) {

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$new_post_data[ $array_bits[ $i ] ] = wp_slash( $post_input_data->value );

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} else {

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$new_post_data = [

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$array_bits[ $i ] => $new_post_data,

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];

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}

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}

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$new_post_data_accum[] = $new_post_data;

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}

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return array_replace_recursive( $data, ...$new_post_data_accum );

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}

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/**

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* Create a new form.

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*

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* @since 1.0.0

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*/

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function wpforms_new_form() { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh

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check_ajax_referer( 'wpforms-builder', 'nonce' );

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// Prevent the second form creating if a user has no license set.

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// Redirect will lead to the warning page.

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if ( wpforms()->is_pro() && empty( wpforms_get_license_type() ) && wp_count_posts( 'wpforms' )->publish >= 1 ) {

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wp_send_json_success( [ 'redirect' => admin_url( 'admin.php?page=wpforms-builder&view=setup' ) ] );

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}

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if ( empty( $_POST['title'] ) ) {

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wp_send_json_error(

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[

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'error_type' => 'missing_form_title',

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'message' => esc_html__( 'No Form Name Provided', 'wpforms-lite' ),

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]

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);

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}

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$form_title = sanitize_text_field( wp_unslash( $_POST['title'] ) );

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$form_template = empty( $_POST['template'] ) ? 'blank' : sanitize_text_field( wp_unslash( $_POST['template'] ) );

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$category = empty( $_POST['category'] ) ? 'all' : sanitize_text_field( wp_unslash( $_POST['category'] ) );

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$subcategory = empty( $_POST['subcategory'] ) ? 'all' : sanitize_text_field( wp_unslash( $_POST['subcategory'] ) );

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if ( ! wpforms()->obj( 'builder_templates' )->is_valid_template( $form_template ) ) {

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wp_send_json_error(

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[

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'error_type' => 'invalid_template',

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'message' => esc_html__( 'The template you selected is currently not available, but you can try again later. If you continue to have trouble, please reach out to support.', 'wpforms-lite' ),

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]

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);

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}

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$title_query = new WP_Query(

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[

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'post_type' => 'wpforms',

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'title' => $form_title,

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'posts_per_page' => 1,

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'fields' => 'ids',

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'update_post_meta_cache' => false,

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'update_post_term_cache' => false,

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'no_found_rows' => true,

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]

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);

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$title_exists = $title_query->post_count > 0;

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$form_id = wpforms()->obj( 'form' )->add(

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$form_title,

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[],

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[

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'template' => $form_template,

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'category' => $category,

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'subcategory' => $subcategory,

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]

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);

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if ( $title_exists ) {

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// Skip creating a revision for this action.

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remove_action( 'post_updated', 'wp_save_post_revision' );

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wp_update_post(

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[

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'ID' => $form_id,

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'post_title' => $form_title . ' (ID #' . $form_id . ')',

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]

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);

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// Restore the initial revisions state.

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add_action( 'post_updated', 'wp_save_post_revision' );

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}

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if ( ! $form_id ) {

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wp_send_json_error(

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[

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'error_type' => 'cant_create_form',

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'message' => esc_html__( 'Error Creating Form', 'wpforms-lite' ),

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]

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);

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}

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if ( wpforms_current_user_can( 'edit_form_single', $form_id ) ) {

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wp_send_json_success(

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[

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'id' => $form_id,

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'redirect' => add_query_arg(

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[

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'view' => 'fields',

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'form_id' => $form_id,

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'newform' => '1',

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],

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admin_url( 'admin.php?page=wpforms-builder' )

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),

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]

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);

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}

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if ( wpforms_current_user_can( 'view_forms' ) ) {

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wp_send_json_success( [ 'redirect' => admin_url( 'admin.php?page=wpforms-overview' ) ] );

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}

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wp_send_json_success( [ 'redirect' => admin_url() ] );

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}

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add_action( 'wp_ajax_wpforms_new_form', 'wpforms_new_form' );

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/**

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* Update form template.

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*

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* @since 1.0.0

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*/

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function wpforms_update_form_template() { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.MaxExceeded

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// Run a security check.

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check_ajax_referer( 'wpforms-builder', 'nonce' );

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// Check for permissions.

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if ( ! wpforms_current_user_can( 'edit_forms' ) ) {

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wp_send_json_error(

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[

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'error_type' => 'permissions_denied',

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'message' => esc_html__( 'You are not allowed to perform this action.', 'wpforms-lite' ),

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]

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);

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}

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// Check for form ID.

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if ( empty( $_POST['form_id'] ) ) {

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wp_send_json_error(

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[

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'error_type' => 'invalid_form_id',

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'message' => esc_html__( 'No Form ID Provided', 'wpforms-lite' ),

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]

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);

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}

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// Set initial variables.

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$form_id = absint( $_POST['form_id'] );

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$form_template = empty( $_POST['template'] ) ? 'blank' : sanitize_text_field( wp_unslash( $_POST['template'] ) );

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$category = empty( $_POST['category'] ) ? 'all' : sanitize_text_field( wp_unslash( $_POST['category'] ) );

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$subcategory = empty( $_POST['subcategory'] ) ? 'all' : sanitize_text_field( wp_unslash( $_POST['subcategory'] ) );

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// Check for valid template.

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if ( ! wpforms()->obj( 'builder_templates' )->is_valid_template( $form_template ) ) {

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wp_send_json_error(

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[

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'error_type' => 'invalid_template',

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'message' => esc_html__( 'The template you selected is currently not available, but you can try again later. If you continue to have trouble, please reach out to support.', 'wpforms-lite' ),

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]

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);

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}

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// Get current form data.

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$data = wpforms()->obj( 'form' )->get(

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$form_id,

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[

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'content_only' => true,

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]

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);

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// Get the cached data from the form template JSON.

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$template_data = wpforms()->obj( 'builder_templates' )->get_template( $form_template );

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// If the template title is set, use it. Otherwise, clear the form title.

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$template_title = ! empty( $template_data['name'] ) ? $template_data['name'] : '';

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// If the form title is set, use it. Otherwise, use the template title.

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$form_title = ! empty( $_POST['title'] ) ? sanitize_text_field( wp_unslash( $_POST['title'] ) ) : $template_title;

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// Check if the current form title is equal to the previous template name.

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// If so, set the form title equal to the new template name.

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$prev_template_slug = $data['meta']['template'] ?? '';

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$prev_template = wpforms()->obj( 'builder_templates' )->get_template( $prev_template_slug );

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$form_title = isset( $prev_template['name'] ) && $prev_template['name'] === $form_title ? $template_title : $form_title;

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// If these template titles are empty, use the form title.

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$form_pages_title = $template_title ? $template_title : $form_title;

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$form_conversational_title = ! empty( $template_data['data']['settings']['conversational_forms_title'] ) ? $template_data['data']['settings']['conversational_forms_title'] : $form_title;

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// If these template slugs are empty, use the form title.

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$form_conversational_slug = ! empty( $template_data['data']['settings']['conversational_forms_page_slug'] ) ? $template_data['data']['settings']['conversational_forms_page_slug'] : $form_title;

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$form_pages_slug = ! empty( $template_data['data']['settings']['form_pages_page_slug'] ) ? $template_data['data']['settings']['form_pages_page_slug'] : $form_title;

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// Loop over notifications.

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$notifications = $template_data['data']['settings']['notifications'] ?? [];

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foreach ( $notifications as $key => $notification ) {

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// If the subject is empty, set it to an empty string.

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$notification_subject = ! empty( $notification['subject'] ) ? sanitize_text_field( $notification['subject'] ) : '';

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$data['settings']['notifications'][ $key ]['subject'] = $notification_subject;

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}

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// Loop over confirmations.

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$confirmations = $template_data['data']['settings']['confirmations'] ?? [];

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foreach ( $confirmations as $key => $confirmation ) {

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// If the message is empty, set it to an empty string.

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$confirmation_message = ! empty( $confirmation['message'] ) ? wp_kses_post( $confirmation['message'] ) : '';

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$data['settings']['confirmations'][ $key ]['message'] = $confirmation_message;

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}

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// Set updated form titles.

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$data['settings']['form_title'] = sanitize_text_field( $form_title );

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$data['settings']['form_pages_title'] = sanitize_text_field( $form_pages_title );

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$data['settings']['conversational_forms_title'] = sanitize_text_field( $form_conversational_title );

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// Set updated form slugs.

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$data['settings']['form_pages_page_slug'] = sanitize_title( $form_pages_slug );

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$data['settings']['conversational_forms_page_slug'] = sanitize_title( $form_conversational_slug );

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// Try to update the form.

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$updated = (bool) wpforms()->obj( 'form' )->update(

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$form_id,

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$data,

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[

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'template' => $form_template,

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'category' => $category,

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'subcategory' => $subcategory,

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]

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);

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// If the form was updated, return the form ID and redirect to the form builder.

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if ( $updated ) {

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wp_send_json_success(

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[

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'id' => $form_id,

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'redirect' => add_query_arg(

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[

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'view' => 'fields',

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'form_id' => $form_id,

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],

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admin_url( 'admin.php?page=wpforms-builder' )

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),

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]

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);

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}

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// Otherwise, return an error.

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wp_send_json_error(

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[

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'error_type' => 'cant_update',

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'message' => esc_html__( 'Error Updating Template', 'wpforms-lite' ),

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]

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);

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}

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add_action( 'wp_ajax_wpforms_update_form_template', 'wpforms_update_form_template' );

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/**

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* Form Builder update next field ID.

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*

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* @since 1.2.9

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*/

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function wpforms_builder_increase_next_field_id() {

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// Run a security check.

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check_ajax_referer( 'wpforms-builder', 'nonce' );

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// Check for permissions.

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if ( ! wpforms_current_user_can( 'edit_forms' ) ) {

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wp_send_json_error();

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}

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// Check for required items.

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if ( empty( $_POST['form_id'] ) ) {

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wp_send_json_error();

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}

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$args = [];

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// In the case of duplicating the Layout field that contains a bunch of fields,

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// we need to set the next `field_id` to the desired value which is passed via POST argument.

[438] Fix | Delete

if ( ! empty( $_POST['field_id'] ) ) {

[439] Fix | Delete

$args['field_id'] = sanitize_text_field( wp_unslash( $_POST['field_id'] ) );

[440] Fix | Delete

}

[441] Fix | Delete

[442] Fix | Delete

wpforms()->obj( 'form' )->next_field_id( absint( $_POST['form_id'] ), $args );

[443] Fix | Delete

[444] Fix | Delete

wp_send_json_success();

[445] Fix | Delete

}

[446] Fix | Delete

[447] Fix | Delete

add_action( 'wp_ajax_wpforms_builder_increase_next_field_id', 'wpforms_builder_increase_next_field_id' );

[448] Fix | Delete

[449] Fix | Delete

/**

[450] Fix | Delete

* Form Builder Dynamic Choices option toggle.

[451] Fix | Delete

*

[452] Fix | Delete

* This can be triggered with select/radio/checkbox fields.

[453] Fix | Delete

*

[454] Fix | Delete

* @since 1.2.8

[455] Fix | Delete

*/

[456] Fix | Delete

function wpforms_builder_dynamic_choices() {

[457] Fix | Delete

[458] Fix | Delete

// Run a security check.

[459] Fix | Delete

check_ajax_referer( 'wpforms-builder', 'nonce' );

[460] Fix | Delete

[461] Fix | Delete

// Check for permissions.

[462] Fix | Delete

if ( ! wpforms_current_user_can( 'edit_forms' ) ) {

[463] Fix | Delete

wp_send_json_error();

[464] Fix | Delete

}

[465] Fix | Delete

[466] Fix | Delete

// Check for valid/required items.

[467] Fix | Delete

if ( ! isset( $_POST['field_id'] ) || empty( $_POST['type'] ) || ! in_array( $_POST['type'], [ 'post_type', 'taxonomy' ], true ) ) {

[468] Fix | Delete

wp_send_json_error();

[469] Fix | Delete

}

[470] Fix | Delete

[471] Fix | Delete

$type = sanitize_key( $_POST['type'] );

[472] Fix | Delete

$id = sanitize_text_field( wp_unslash( $_POST['field_id'] ) );

[473] Fix | Delete

[474] Fix | Delete

// Fetch the option row HTML to be returned to the builder.

[475] Fix | Delete

$field = new WPForms_Field_Select( false );

[476] Fix | Delete

$field_args = [

[477] Fix | Delete

'id' => $id,

[478] Fix | Delete

'dynamic_choices' => $type,

[479] Fix | Delete

];

[480] Fix | Delete

$option_row = $field->field_option( 'dynamic_choices_source', $field_args, [], false );

[481] Fix | Delete

[482] Fix | Delete

wp_send_json_success(

[483] Fix | Delete

[

[484] Fix | Delete

'markup' => $option_row,

[485] Fix | Delete

]

[486] Fix | Delete

);

[487] Fix | Delete

}

[488] Fix | Delete

[489] Fix | Delete

add_action( 'wp_ajax_wpforms_builder_dynamic_choices', 'wpforms_builder_dynamic_choices' );

[490] Fix | Delete

[491] Fix | Delete

/**

[492] Fix | Delete

* Form Builder Dynamic Choices Source option toggles.

[493] Fix | Delete

*

[494] Fix | Delete

* This can be triggered with select/radio/checkbox fields.

[495] Fix | Delete

*

[496] Fix | Delete

* @since 1.2.8

[497] Fix | Delete

*/

[498] Fix | Delete

function wpforms_builder_dynamic_source() {

[499] Fix | Delete