<?php
/**
* All the form goodness and basics.
*
* Contains a bunch of helper methods as well.
*
* @since 1.0.0
*/
class WPForms_Form_Handler {
/**
* Tags taxonomy.
*
* @since 1.7.5
*/
const TAGS_TAXONOMY = 'wpforms_form_tag';
/**
* Allowed post types.
*
* @since 1.8.8
*/
const POST_TYPES = [
'wpforms',
'wpforms-template',
];
/**
* Is form data slashing enabled.
*
* @since 1.9.0
*
* @var bool
*/
private $is_form_data_slashing_enabled;
/**
* Primary class constructor.
*
* @since 1.0.0
*/
public function __construct() {
$this->is_form_data_slashing_enabled = wpforms_is_form_data_slashing_enabled();
$this->hooks();
}
/**
* Hooks.
*
* @since 1.7.5
*/
private function hooks() {
// Register wpforms custom post type and taxonomy.
add_action( 'init', [ $this, 'register_taxonomy' ] );
add_action( 'init', [ $this, 'register_cpt' ] );
// Add wpforms to new-content admin bar menu.
add_action( 'admin_bar_menu', [ $this, 'admin_bar' ], 99 );
add_action( 'wpforms_create_form', [ $this, 'track_first_form' ], 10, 3 );
// @WPFormsBackCompat Support Zapier v1.5.0 and earlier.
add_filter( 'wpforms_form_handler_add_notices', [ $this, '_zapier_disconnected_on_duplication' ], 10, 3 );
}
/**
* Register the custom post type to be used for forms.
*
* @since 1.0.0
*/
public function register_cpt() {
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Filters Custom Post Type arguments.
*
* @since 1.0.0
*
* @param array $args Arguments.
*/
$args = apply_filters(
'wpforms_post_type_args',
[
'label' => 'WPForms',
'public' => false,
'exclude_from_search' => true,
'show_ui' => false,
'show_in_admin_bar' => false,
'rewrite' => false,
'query_var' => false,
'can_export' => false,
'supports' => [ 'title', 'author', 'revisions' ],
'capability_type' => 'wpforms_form', // Not using 'capability_type' anywhere. It just has to be custom for security reasons.
'map_meta_cap' => false, // Don't let WP to map meta caps to have a granular control over this process via 'map_meta_cap' filter.
]
);
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
// Register the post type.
register_post_type( 'wpforms', $args );
}
/**
* Register the new taxonomy for tags.
*
* @since 1.7.5
*/
public function register_taxonomy() {
/**
* Filters Tags taxonomy arguments.
*
* @since 1.7.5
*
* @param array $args Arguments.
*/
$args = apply_filters(
'wpforms_form_handler_register_taxonomy_args',
[
'hierarchical' => false,
'rewrite' => false,
'public' => false,
]
);
register_taxonomy( self::TAGS_TAXONOMY, 'wpforms', $args );
}
/**
* Add "WPForms" item to new-content admin bar menu item.
*
* @since 1.1.7.2
*
* @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference.
*/
public function admin_bar( $wp_admin_bar ) {
if ( ! is_admin_bar_showing() || ! wpforms_current_user_can( 'create_forms' ) ) {
return;
}
$args = [
'id' => 'wpforms',
'title' => esc_html__( 'WPForms', 'wpforms-lite' ),
'href' => admin_url( 'admin.php?page=wpforms-builder' ),
'parent' => 'new-content',
];
$wp_admin_bar->add_node( $args );
}
/**
* Preserve the timestamp when the very first form has been created.
*
* @since 1.6.7.1
*
* @param int $form_id Newly created form ID.
* @param array $form Array past to create a new form in wp_posts table.
* @param array $data Additional form data.
*/
public function track_first_form( $form_id, $form, $data ) {
// Do we have the value already?
$time = get_option( 'wpforms_forms_first_created' );
// Check whether we have already saved this option - skip.
if ( ! empty( $time ) ) {
return;
}
// Check whether we have any forms other than the currently created one.
$other_form = $this->get(
'',
[
'posts_per_page' => 1,
'nopaging' => false,
'fields' => 'ids',
'post__not_in' => [ $form_id ], // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
'cap' => false,
]
);
// As we have other forms - we are not certain about the situation, skip.
if ( ! empty( $other_form ) ) {
return;
}
add_option( 'wpforms_forms_first_created', time(), '', 'no' );
}
/**
* Fetch forms.
*
* @since 1.0.0
*
* @param mixed $id Form ID.
* @param array $args Additional arguments array.
*
* @return array|bool|null|WP_Post
*/
public function get( $id = '', array $args = [] ) {
if ( $id === false ) {
return false;
}
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Allow developers to filter the WPForms_Form_Handler::get() arguments.
*
* @since 1.0.0
*
* @param array $args Arguments array.
* @param mixed $id Form ID.
*/
$args = (array) apply_filters( 'wpforms_get_form_args', $args, $id );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
// By default, we should return only published forms.
$defaults = [
'post_status' => 'publish',
];
$args = (array) wp_parse_args( $args, $defaults );
$forms = empty( $id ) ? $this->get_multiple( $args ) : $this->get_single( $id, $args );
return ! empty( $forms ) ? $forms : false;
}
/**
* Fetch a single form.
*
* @since 1.5.8
*
* @param string|int $id Form ID.
* @param array $args Additional arguments array.
*
* @return array|bool|null|WP_Post
*/
protected function get_single( $id = '', array $args = [] ) {
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Allow developers to filter the get_single() arguments.
*
* @since 1.5.8
*
* @param array $args Arguments array, same as for `get_post()` function.
* @param string|int $id Form ID.
*/
$args = apply_filters( 'wpforms_get_single_form_args', $args, $id );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
if ( ! isset( $args['cap'] ) && wpforms()->obj( 'access' )->init_allowed() ) {
$args['cap'] = 'view_form_single';
}
if ( ! empty( $args['cap'] ) && ! wpforms_current_user_can( $args['cap'], $id ) ) {
return false;
}
// @todo add $id array support
// If ID is provided, we get a single form
$form = get_post( absint( $id ) );
if ( ! empty( $args['content_only'] ) ) {
$form = ! empty( $form ) && in_array( $form->post_type, self::POST_TYPES, true ) ? wpforms_decode( $form->post_content ) : false;
}
return $form;
}
/**
* Fetch multiple forms.
*
* @since 1.5.8
* @since 1.7.2 Added support for $args['search']['term'] - search form title or description by term.
*
* @param array $args Additional arguments array.
*
* @return array
*/
protected function get_multiple( array $args = [] ): array {
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Allow developers to filter the get_multiple() arguments.
*
* @since 1.5.8
*
* @param array $args Arguments array. Almost the same as for `get_posts()` function.
* Additional element:
* ['search']['term'] - search the form title or description by term.
*/
$args = (array) apply_filters( 'wpforms_get_multiple_forms_args', $args );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
// No ID provided, get multiple forms.
$defaults = [
'orderby' => 'id',
'order' => 'ASC',
'no_found_rows' => true,
'nopaging' => true,
'suppress_filters' => false,
];
$args = wp_parse_args( $args, $defaults );
$post_type = $args['post_type'] ?? [];
// Post type should be one of the allowed post types.
$post_type = array_intersect( (array) $post_type, self::POST_TYPES );
// If no valid (allowed) post types are provided, use the default one.
$args['post_type'] = ! empty( $post_type ) ? $post_type : 'wpforms';
/**
* Allow developers to execute some code before get_posts() call inside \WPForms_Form_Handler::get_multiple().
*
* @since 1.7.2
*
* @param array $args Arguments of the `get_posts()`.
*/
do_action( 'wpforms_form_handler_get_multiple_before_get_posts', $args );
$forms = get_posts( $args );
/**
* Allow developers to execute some code right after get_posts() call inside \WPForms_Form_Handler::get_multiple().
*
* @since 1.7.2
*
* @param array $args Arguments of the `get_posts`.
* @param array $forms Forms data. Result of getting multiple forms.
*/
do_action( 'wpforms_form_handler_get_multiple_after_get_posts', $args, $forms );
/**
* Allow developers to filter the result of get_multiple().
*
* @since 1.7.2
*
* @param array $forms Result of getting multiple forms.
*/
return apply_filters( 'wpforms_form_handler_get_multiple_forms_result', $forms );
}
/**
* Update the form status.
*
* @since 1.7.3
*
* @param int $form_id Form ID.
* @param string $status New status.
*
* @return bool
*/
public function update_status( $form_id, $status ) {
// Status updates are used only in trash and restore actions,
// which are actually part of the deletion operation.
// Therefore, we should check the `delete_form_single` and not `edit_form_single` permission.
if ( ! wpforms_current_user_can( 'delete_form_single', $form_id ) ) {
return false;
}
$form_id = absint( $form_id );
$status = empty( $status ) ? 'publish' : sanitize_key( $status );
/**
* Filters the allowed form statuses.
*
* @since 1.7.3
*
* @param array $allowed_statuses Array of allowed form statuses. Default: publish, trash.
*/
$allowed = (array) apply_filters( 'wpforms_form_handler_update_status_allowed', [ 'publish', 'trash' ] );
if ( ! in_array( $status, $allowed, true ) ) {
return false;
}
$result = wp_update_post(
[
'ID' => $form_id,
'post_status' => $status,
]
);
/**
* Allow developers to execute some code after changing form status.
*
* @since 1.8.1
*
* @param string $form_id Form ID.
* @param string $status New form status, `publish` or `trash`.
*/
do_action( 'wpforms_form_handler_update_status', $form_id, $status );
return $result !== 0;
}
/**
* Delete all forms in the Trash.
*
* @since 1.7.3
*
* @return int|bool Number of deleted forms OR false.
*/
public function empty_trash() {
$forms = $this->get_multiple(
[
'post_type' => self::POST_TYPES,
'post_status' => 'trash',
'fields' => 'ids',
'suppress_filters' => true, // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.SuppressFilters_suppress_filters
]
);
if ( empty( $forms ) ) {
return false;
}
return $this->delete( $forms ) ? count( $forms ) : false;
}
/**
* Delete forms.
*
* @since 1.0.0
*
* @param array $ids Form IDs.
*
* @return bool
*/
public function delete( $ids = [] ) {
if ( ! is_array( $ids ) ) {
$ids = [ $ids ];
}
$ids = array_map( 'absint', $ids );
foreach ( $ids as $id ) {
// Check for permissions.
if ( ! wpforms_current_user_can( 'delete_form_single', $id ) ) {
return false;
}
if ( class_exists( 'WPForms_Entry_Handler', false ) ) {
wpforms()->obj( 'entry' )->delete_by( 'form_id', $id );
wpforms()->obj( 'entry_meta' )->delete_by( 'form_id', $id );
wpforms()->obj( 'entry_fields' )->delete_by( 'form_id', $id );
}
$form = wp_delete_post( $id, true );
if ( ! $form ) {
return false;
}
}
do_action( 'wpforms_delete_form', $ids );
return true;
}
/**
* Add new form.
*
* @since 1.0.0
*
* @param string $title Form title.
* @param array $args Additional arguments.
* @param array $data Form data.
*
* @return mixed
*/
public function add( $title = '', $args = [], $data = [] ) {
// Must have a title.
if ( empty( $title ) ) {
return false;
}
// Check for permissions.
if ( ! wpforms_current_user_can( 'create_forms' ) ) {
return false;
}
// This filter breaks forms if they contain HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
// Add filter of the link rel attr to avoid JSON damage.
add_filter( 'wp_targeted_link_rel', '__return_empty_string', 50, 1 );
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Filters form creation arguments.
*
* @since 1.0.0
*
* @param array $args Form creation arguments.
* @param array $data Additional data.
*/
$args = apply_filters( 'wpforms_create_form_args', $args, $data );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
$form_content = [
'field_id' => '0',
'settings' => [
'form_title' => sanitize_text_field( $title ),
'form_desc' => '',
],
];
if ( $this->is_form_data_slashing_enabled ) {
$form_content = wp_slash( $form_content );
}
$args_form_data = isset( $args['post_content'] ) ? json_decode( wp_unslash( $args['post_content'] ), true ) : null;
// Prevent $args['post_content'] from overwriting predefined $form_content.
// Typically, it happens if the form was created with a form template and a user was not redirected to a form editing screen afterwards.
// This is only possible if a user has 'wpforms_create_forms' and no 'wpforms_edit_own_forms' capability.
if ( is_array( $args_form_data ) ) {
$args['post_content'] = wpforms_encode( array_replace_recursive( $form_content, $args_form_data ) );
}
// Merge args and create the form.
$form = wp_parse_args(
$args,
[
'post_title' => esc_html( $title ),
'post_status' => 'publish',
'post_type' => 'wpforms',
'post_content' => wpforms_encode( $form_content ),
]
);
$form_id = wp_insert_post( $form );
// Set form tags.
if ( ! empty( $form_id ) && ! empty( $args_form_data['settings']['form_tags'] ) ) {
wp_set_post_terms(
$form_id,
implode( ',', $args_form_data['settings']['form_tags'] ),
self::TAGS_TAXONOMY
);
}
// If user has no editing permissions the form considered to be created out of the WPForms form builder's context.
if ( ! wpforms_current_user_can( 'edit_form_single', $form_id ) ) {
$data['builder'] = false;
}
// If the form is created outside the context of the WPForms form
// builder, then we define some additional default values.
if ( ! empty( $form_id ) && isset( $data['builder'] ) && $data['builder'] === false ) {
$form_data = json_decode( wp_unslash( $form['post_content'] ), true );
$form_data['id'] = $form_id;
$form_data['settings']['submit_text'] = esc_html__( 'Submit', 'wpforms-lite' );
$form_data['settings']['submit_text_processing'] = esc_html__( 'Sending...', 'wpforms-lite' );
$form_data['settings']['notification_enable'] = '1';
$form_data['settings']['notifications'] = [
'1' => [
'email' => '{admin_email}',
'subject' => sprintf( /* translators: %s - form name. */
esc_html__( 'New Entry: %s', 'wpforms-lite' ),
esc_html( $title )
),
'sender_name' => get_bloginfo( 'name' ),
'sender_address' => '{admin_email}',
'message' => '{all_fields}',
],
];
$form_data['settings']['confirmations'] = [
'1' => [
'type' => 'message',
'message' => esc_html__( 'Thanks for contacting us! We will be in touch with you shortly.', 'wpforms-lite' ),
'message_scroll' => '1',
],
];
$this->update( $form_id, $form_data, [ 'cap' => 'create_forms' ] );
}
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Fires after the form was created.
*
* @since 1.0.0
*
* @param int $form_id Form ID.
* @param array $form Form data.
* @param array $data Additional data.
*/
do_action( 'wpforms_create_form', $form_id, $form, $data );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
return $form_id;
}
/**
* Update form.
*
* @since 1.0.0
*
* @param string|int $form_id Form ID.
* @param array $data Data retrieved from $_POST and processed.
* @param array $args Empty by default. May have custom data not intended to be saved.
*
* @return int|false
*/
public function update( $form_id = '', array $data = [], array $args = [] ) { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks, Generic.Metrics.CyclomaticComplexity.TooHigh, Generic.Metrics.CyclomaticComplexity.MaxExceeded
if ( empty( $data ) ) {
return false;
}
if ( empty( $form_id ) && isset( $data['id'] ) ) {
$form_id = $data['id'];
}
if ( ! isset( $args['cap'] ) ) {
$args['cap'] = 'edit_form_single';
}
if ( ! empty( $args['cap'] ) && ! wpforms_current_user_can( $args['cap'], $form_id ) ) {
return false;
}
// This filter breaks forms if they contain HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
// Add filter of the link rel attr to avoid JSON damage.
add_filter( 'wp_targeted_link_rel', '__return_empty_string', 50, 1 );
if ( $this->is_form_data_slashing_enabled ) {
// Even though we are not going to unslash some data,
// columns-json and calculation_code fields must be unslashed.
$data = $this->unslash_field_keys( $data, [ 'columns-json', 'calculation_code' ] );
} else {
// phpcs:ignore Generic.Commenting.DocComment.MissingShort
/** @noinspection CallableParameterUseCaseInTypeContextInspection */
$data = wp_unslash( $data );
}
$title = empty( $data['settings']['form_title'] ) ? get_the_title( $form_id ) : $data['settings']['form_title'];
$desc = empty( $data['settings']['form_desc'] ) ? '' : $data['settings']['form_desc'];
$data['field_id'] = ! empty( $data['field_id'] ) ? wpforms_validate_field_id( $data['field_id'] ) : '0';
// Preserve explicit "Do not store spam entries" state.
$data['settings']['store_spam_entries'] = $data['settings']['store_spam_entries'] ?? '0';
// Preserve form meta.
$meta = $this->get_meta( $form_id );
if ( $meta ) {
$data['meta'] = $meta;
}
// Update category and subcategory only if available.
if ( ! empty( $args['category'] ) ) {
$data['meta']['category'] = $args['category'];
}
if ( ! empty( $args['subcategory'] ) ) {
$data['meta']['subcategory'] = $args['subcategory'];
}
// Preserve fields meta.
if ( isset( $data['fields'] ) ) {
$data['fields'] = $this->update__preserve_fields_meta( $data['fields'], $form_id );
}
// Sanitize - don't allow tags for users who do not have the appropriate cap.
// If we don't do this, forms for these users can get corrupt due to conflicts with wp_kses().
if ( ! current_user_can( 'unfiltered_html' ) ) {
$data = map_deep( $data, 'wp_strip_all_tags' );
}
// Sanitize notifications names.
if ( isset( $data['settings']['notifications'] ) ) {
$data['settings']['notifications'] = $this->update__sanitize_notifications_names( $data['settings']['notifications'] );
}
unset( $notification );
/**
* Allow changing post data before saving.
*
* @since 1.0.0
*
* @param array $post_data Post data.
* @param array $form_data Form data.
* @param array $args Empty by default. May have custom data not intended to be saved.
*/
$form = apply_filters( // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
'wpforms_save_form_args',
[
'ID' => $form_id,
'post_title' => esc_html( $title ),
'post_excerpt' => $desc,
'post_content' => wpforms_encode( $data ),
],
$data,
$args
);
$_form_id = wp_update_post( $form );
if ( is_wp_error( $_form_id ) ) {
return false;
}
/**
* Fires after saving the form.
*
* @since 1.0.0
*
* @param int $_form_id Form ID.
* @param array $form Form.
*/
do_action( 'wpforms_save_form', $_form_id, $form ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
return $_form_id;
}
/**
* Preserve fields meta in 'update' method.
*
* @since 1.5.8
*
* @param array $fields Form fields.
* @param string|int $form_id Form ID.
*
* @return array
*/
protected function update__preserve_fields_meta( $fields, $form_id ) {
foreach ( $fields as $i => $field_data ) {
if ( isset( $field_data['id'] ) ) {
$field_meta = $this->get_field_meta( $form_id, $field_data['id'] );
if ( $field_meta ) {
$fields[ $i ]['meta'] = $field_meta;
}
}
}
return $fields;
}
/**
* Sanitize notifications names meta in 'update' method.
*
* @since 1.5.8
*
* @param array $notifications Form notifications.
*
* @return array
*/
protected function update__sanitize_notifications_names( $notifications ) {
foreach ( $notifications as $id => &$notification ) {
if ( ! empty( $notification['notification_name'] ) ) {
$notification['notification_name'] = sanitize_text_field( $notification['notification_name'] );
}
}
return $notifications;
}
/**
* Duplicate forms.
*
* @since 1.1.4
* @since 1.8.8 Return array of new form IDs instead of true.
*
* @param array|string $ids Form IDs to duplicate.
*
* @return bool|array Array of new form IDs or false.
*/
public function duplicate( $ids ) { // phpcs:disable WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks, Generic.Metrics.CyclomaticComplexity.TooHigh
// Check for permissions.
if ( ! wpforms_current_user_can( 'create_forms' ) ) {
return false;
}
// Add filter of the link rel attr to avoid JSON damage.
add_filter( 'wp_targeted_link_rel', '__return_empty_string', 50, 1 );
// This filter breaks forms if they contain HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
if ( ! is_array( $ids ) ) {
$ids = [ $ids ];
}
$ids = array_map( 'absint', $ids );
$duplicate_ids = [];
foreach ( $ids as $id ) {
// Get original entry.
$form = get_post( $id );
if ( ! wpforms_current_user_can( 'view_form_single', $id ) ) {
return false;
}
// Confirm form exists.
if ( empty( $form ) ) {
return false;
}
// Get the form data.
$new_form_data = wpforms_decode( $form->post_content );
if ( $this->is_form_data_slashing_enabled ) {
$new_form_data = wp_slash( $new_form_data );
}
// Remove form ID from title if present.
$new_form_data['settings']['form_title'] = str_replace( '(ID #' . absint( $id ) . ')', '', $new_form_data['settings']['form_title'] );
// Remove '(copy)' from the form template title if present.
$new_form_data['settings']['form_title'] = str_replace( __( '(copy)', 'wpforms-lite' ), '', $new_form_data['settings']['form_title'] );
// Remove trailing spaces.
$new_form_data['settings']['form_title'] = rtrim( $new_form_data['settings']['form_title'] );
// Remove `-template` suffix and all after it from the post name.
$post_name = preg_replace( '/-template(-\d+)?/', '', $form->post_name );
// Add some notice messages before form preview area.
$new_form_data = $this->add_notices( $new_form_data, (int) $id );
// Create the duplicate form.
$new_form = [
'post_content' => wpforms_encode( $new_form_data ),
'post_excerpt' => $form->post_excerpt,
'post_status' => $form->post_status,
'post_title' => $new_form_data['settings']['form_title'],
'post_type' => $form->post_type,
'post_name' => wpforms_is_form_template( $id ) ? $post_name . '-template' : $post_name,
];
$new_form_id = wp_insert_post( $new_form );
if ( ! $new_form_id || is_wp_error( $new_form_id ) ) {
return false;
}
// Set new form name.
$new_form_data['settings']['form_title'] .= $form->post_type === 'wpforms-template' ?
' ' . __( '(copy)', 'wpforms-lite' ) :
' (ID #' . absint( $new_form_id ) . ')';
// Set new form ID.
$new_form_data['id'] = absint( $new_form_id );
// Update new duplicate form.
$new_form_id = $this->update( $new_form_id, $new_form_data, [ 'cap' => 'create_forms' ] );
if ( ! $new_form_id ) {
return false;
}
// Add tags to the new form.
if ( ! empty( $new_form_data['settings']['form_tags'] ) ) {
wp_set_post_terms(
$new_form_id,
implode( ',', (array) $new_form_data['settings']['form_tags'] ),
self::TAGS_TAXONOMY
);
}
/**
* Fires after the form was duplicated.
*
* @since 1.8.2.2
*
* @param int $id Original form ID.
* @param int $new_form_id New form ID.
* @param array $new_form_data New form data.
*/
do_action( 'wpforms_form_handler_duplicate_form', $id, $new_form_id, $new_form_data );
$duplicate_ids[] = $new_form_id;
}
return $duplicate_ids;
}
/**
* Convert form to a template and vice versa.
*
* @since 1.8.8
*
* @param string|int $form_id Form ID.
* @param string $convert_to Convert to, `form` or `template`.
*
* @return false|int New object ID or false on failure.
*/
public function convert( $form_id, string $convert_to ) {
if ( ! in_array( $convert_to, [ 'form', 'template' ], true ) ) {
return false;
}
// Duplicate the form.
$ids = $this->duplicate( $form_id );
if ( empty( $ids ) ) {
return false;
}
$new_form_id = current( $ids );
$form = get_post( $new_form_id );
$form_data = wpforms_decode( $form->post_content );
if ( $this->is_form_data_slashing_enabled ) {
$form_data = wp_slash( $form_data );
}
/**
* Filters the form data before converting it to a template or vice versa.
*
* @since 1.8.8
*
* @param array $form_data Form data.
* @param string|int $form_id Form ID.
* @param string $convert_to Convert to, `form` or `template`.
*/
$form_data = apply_filters( 'wpforms_form_handler_convert_form_data', $form_data, $form_id, $convert_to );
// Set default post type.
$post_type = 'wpforms';
// Remove numeric suffix from the post name.
// Duplication always adds `-{numeric}` suffix.
$post_name = preg_replace( '/-\d+$/', '', $form->post_name );
// Remove `-template` suffix and all after it from the post name.
$post_name = preg_replace( '/-template(-\d+)?/', '', $post_name );
// Remove (copy) from the form title, if present.
$form_data['settings']['form_title'] = str_replace( __( '(copy)', 'wpforms-lite' ), '', $form_data['settings']['form_title'] );
// Remove trailing spaces.
$form_data['settings']['form_title'] = rtrim( $form_data['settings']['form_title'] );
// Remove template description.
unset( $form_data['settings']['template_description'] );
if ( $convert_to === 'template' ) {
$post_type = 'wpforms-template';
// Remove (ID #<Form ID>) from the form title, if present.
$form_data['settings']['form_title'] = preg_replace( '/\(ID #\d+\)/', '', $form_data['settings']['form_title'] );
// Set empty template description.
$form_data['settings']['template_description'] = '';
// Remove traces of any other template that may have been used to create the original form by setting itself as a template.
$form_data['meta']['template'] = 'wpforms-user-template-' . $new_form_id;
// Add `-template` suffix to the post name.
$post_name .= '-template';
}
wp_update_post(
[
'ID' => $new_form_id,
'post_title' => $form_data['settings']['form_title'],
'post_type' => $post_type,
'post_content' => wpforms_encode( $form_data ),
'post_name' => $post_name,
]
);
return $new_form_id;
}
/**
* Append notice(s) before form preview, if needed.
*
* @since 1.8.8
*
* @param array $new_form_data New form data.
* @param int $form_id Original form ID.
*
* @return array
*/
private function add_notices( array $new_form_data, int $form_id ): array {
/**
* Add custom notices to be displayed in the preview area of the Form Builder
* after a form or a form template has been duplicated or converted.
*
* @since 1.8.8
*
* @param array $notices Array of notices.
* @param array $new_form_data Form data of the newly duplicated form or form template.
* @param int $form_id Original form ID.
*/
$notices = apply_filters( 'wpforms_form_handler_add_notices', [], $new_form_data, $form_id );
if ( empty( $notices ) ) {
return $new_form_data;
}
$current_field_id = ! empty( $new_form_data['fields'] ) ? max( array_keys( $new_form_data['fields'] ) ) : 0;
$code_fields = array_column( $new_form_data['fields'], 'code' );
$next_field_id = $current_field_id;
$warning = [];
foreach ( $notices as $notice ) {
// Skip the duplicate notice if it already exists.
if ( ! empty( $notice['code'] ) && in_array( $notice['code'], $code_fields, true ) ) {
continue;
}
$next_field_id = ++$current_field_id;
$warning[ $next_field_id ] = [
'id' => $next_field_id,
'type' => 'internal-information',
'code' => ! empty( $notice['code'] ) ? esc_attr( $notice['code'] ) : '',
'description' => '',
];
$warning[ $next_field_id ]['description'] .= ! empty( $notice['title'] ) ? '<strong>' . esc_html( $notice['title'] ) . '</strong>' : '';
$warning[ $next_field_id ]['description'] .= ! empty( $notice['message'] ) ? '<p>' . wp_kses_post( $notice['message'] ) . '</p>' : '';
// Do not add notice with empty body.
if ( empty( $warning[ $next_field_id ]['description'] ) ) {
unset( $warning[ $next_field_id ] );
--$next_field_id; // Reset next field ID to the previous value.
}
}
if ( ! empty( $warning ) ) {
$new_form_data['fields'] = $warning + $new_form_data['fields'];
// Update next field ID to be used for future created fields. Otherwise, IIF field would be overwritten.
$new_form_data['field_id'] = $next_field_id + 1;
}
return $new_form_data;
}
/**
* Add a notice about Zapier zaps disconnected after form being duplicated or converted to/from template.
*
* @WPFormsBackCompat Support Zapier v1.5.0 and earlier.
*
* @since 1.8.8
*
* @param array $notices Array of notices.
* @param array $new_form_data Form data.
* @param int $form_id Original form ID.
*
* @return array
*/
public function _zapier_disconnected_on_duplication( $notices, array $new_form_data, int $form_id ): array { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore
// Check if original form had any Zaps connected.
$is_zapier_connected = get_post_meta( $form_id, 'wpforms_zapier', true );
if ( ! $is_zapier_connected ) {
return $notices;
}
$notices['zapier'] = [
'title' => esc_html__( 'Zaps Have Been Disabled', 'wpforms-lite' ),
'code' => 'disconnected_on_duplication',
'message' => sprintf( /* translators: %s - URL the to list of Zaps. */
__( 'Head over to the Zapier settings in the Marketing tab or visit your <a href="%s" target="_blank" rel="noopener noreferrer">Zapier account</a> to restore them.', 'wpforms-lite' ),
esc_url( 'https://zapier.com/app/zaps' )
),
];
return $notices;
}
/**
* Get the next available field ID and increment by one.
*
* @since 1.0.0
*
* @param string|int $form_id Form ID.
* @param array $args Additional arguments.
*
* @return mixed int or false
*/
public function next_field_id( $form_id, $args = [] ) { // phpcs:ignore WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks
if ( empty( $form_id ) ) {
return false;
}
$defaults = [
'content_only' => true,
];
if ( isset( $args['cap'] ) ) {
$defaults['cap'] = $args['cap'];
}
$form = $this->get( $form_id, $defaults );
if ( $this->is_form_data_slashing_enabled ) {
$form = wp_slash( $form );
}
if ( empty( $form ) ) {
return false;
}
$field_id = 0;
$max_field_id = ! empty( $form['fields'] ) ? max( array_keys( $form['fields'] ) ) : 0;
// We pass the `field_id` after duplicating the Layout field that contains a bunch of fields.
// This is needed to avoid multiple AJAX calls after duplicating each field in the Layout.
if ( isset( $args['field_id'] ) ) {
$set_field_id = absint( $args['field_id'] ) - 1;
$field_id = $set_field_id > $max_field_id ? $set_field_id : $max_field_id + 1;
} elseif ( ! empty( $form['field_id'] ) ) {
$field_id = absint( $form['field_id'] );
$field_id = $max_field_id > $field_id ? $max_field_id + 1 : $field_id;
}
$form['field_id'] = $field_id + 1;
// Skip creating a revision for this action.
remove_action( 'post_updated', 'wp_save_post_revision' );
$this->update( $form_id, $form );
// Restore the initial revisions state.
add_action( 'post_updated', 'wp_save_post_revision', 10, 1 );
return $field_id;
}
/**
* Get private meta information for a form.
*
* @since 1.0.0
*
* @param string|int $form_id Form ID.
* @param string $field Field.
* @param array $args Additional arguments.
*
* @return false|array
*/
public function get_meta( $form_id, $field = '', $args = [] ) {
if ( empty( $form_id ) ) {
return false;
}
$defaults = [
'content_only' => true,
];
if ( isset( $args['cap'] ) ) {
$defaults['cap'] = $args['cap'];
}
$data = $this->get( $form_id, $defaults );
if ( ! isset( $data['meta'] ) ) {
return false;
}
if ( empty( $field ) ) {
return $data['meta'];
}
if ( isset( $data['meta'][ $field ] ) ) {
return $data['meta'][ $field ];
}
return false;
}
/**
* Update or add form meta information to a form.
*
* @since 1.4.0
*
* @param string|int $form_id Form ID.
* @param string $meta_key Meta key.
* @param mixed $meta_value Meta value.
* @param array $args Additional arguments.
*
* @return false|int|WP_Error
*/
public function update_meta( $form_id, $meta_key, $meta_value, $args = [] ) {
if ( empty( $form_id ) || empty( $meta_key ) ) {
return false;
}
// Add filter of the link rel attr to avoid JSON damage.
add_filter( 'wp_targeted_link_rel', '__return_empty_string', 50, 1 );
// This filter breaks forms if they contain HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
if ( ! isset( $args['cap'] ) ) {
$args['cap'] = 'edit_form_single';
}
$form = $this->get_single( absint( $form_id ), $args );
if ( empty( $form ) ) {
return false;
}
$data = wpforms_decode( $form->post_content );
$meta_key = wpforms_sanitize_key( $meta_key );
$data['meta'][ $meta_key ] = $meta_value;
$form = [
'ID' => $form_id,
'post_content' => wpforms_encode( $data ),
];
$form = apply_filters( 'wpforms_update_form_meta_args', $form, $data );
$form_id = wp_update_post( $form );
do_action( 'wpforms_update_form_meta', $form_id, $form, $meta_key, $meta_value );
return $form_id;
}
/**
* Delete form meta information from a form.
*
* @since 1.4.0
*
* @param string|int $form_id Form ID.
* @param string $meta_key Meta key.
* @param array $args Additional arguments.
*
* @return false|int|WP_Error
*/
public function delete_meta( $form_id, $meta_key, $args = [] ) {
if ( empty( $form_id ) || empty( $meta_key ) ) {
return false;
}
// Add filter of the link rel attr to avoid JSON damage.
add_filter( 'wp_targeted_link_rel', '__return_empty_string', 50, 1 );
// This filter breaks forms if they contain HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
if ( ! isset( $args['cap'] ) ) {
$args['cap'] = 'edit_form_single';
}
$form = $this->get_single( absint( $form_id ), $args );
if ( empty( $form ) ) {
return false;
}
$data = wpforms_decode( $form->post_content );
$meta_key = wpforms_sanitize_key( $meta_key );
unset( $data['meta'][ $meta_key ] );
$form = [
'ID' => $form_id,
'post_content' => wpforms_encode( $data ),
];
$form = apply_filters( 'wpforms_delete_form_meta_args', $form, $data );
$form_id = wp_update_post( $form );
do_action( 'wpforms_delete_form_meta', $form_id, $form, $meta_key );
return $form_id;
}
/**
* Get private meta information for a form field.
*
* @since 1.0.0
*
* @param string|int $form_id Form ID.
* @param string $field_id Field ID.
* @param array $args Additional arguments.
*
* @return array|false
*/
public function get_field( $form_id, $field_id = '', $args = [] ) {
if ( empty( $form_id ) ) {
return false;
}
$defaults = [
'content_only' => true,
];
if ( isset( $args['cap'] ) ) {
$defaults['cap'] = $args['cap'];
}
$data = $this->get( $form_id, $defaults );
return isset( $data['fields'][ $field_id ] ) ? $data['fields'][ $field_id ] : false;
}
/**
* Get private meta information for a form field.
*
* @since 1.0.0
*
* @param string|int $form_id Form ID.
* @param string $field_id Field ID.
* @param array $args Additional arguments.
*
* @return array|false
*/
public function get_field_meta( $form_id, $field_id = '', $args = [] ) {
$field = $this->get_field( $form_id, $field_id, $args );
if ( ! $field ) {
return false;
}
return isset( $field['meta'] ) ? $field['meta'] : false;
}
/**
* Checks if any forms are present on the site.
*
* @since 1.8.8
*
* @retun bool
*/
public function forms_exist(): bool {
return (bool) $this->get(
'',
[
'numberposts' => 1,
'fields' => 'ids',
'no_found_rows' => true,
'suppress_filters' => true, // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.SuppressFilters_suppress_filters
'nopaging' => false,
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
]
);
}
/**
* Get forms count per page.
*
* @since 1.8.8
*
* @return int
*/
public function get_count_per_page(): int {
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Give developers an ability to modify number of forms per page.
*
* @since 1.8.8
*
* @param array $count Forms count per page.
*/
return (int) apply_filters( 'wpforms_forms_per_page', 20 );
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
}
/**
* Unslash field keys.
*
* @since 1.9.0
*
* @param array $data Form data.
* @param array $keys Field keys.
*
* @return array
*/
private function unslash_field_keys( array $data, array $keys ): array {
if ( empty( $data['fields'] ) ) {
return $data;
}
/**
* Filter field keys to be unslashed before saving.
*
* Works used with filter wpforms_enable_form_data_slashing set to true.
*
* @since 1.9.0
*
* @param array $keys Field keys.
*
* @return array
*/
$keys = (array) apply_filters( 'wpforms_form_handler_unslash_field_keys', $keys );
if ( empty( $keys ) ) {
return $data;
}
foreach ( $data['fields'] as $id => $field ) {
foreach ( $keys as $key ) {
if ( isset( $field[ $key ] ) ) {
$data['fields'][ $id ][ $key ] = wp_unslash( $field[ $key ] );
}
}
}
return $data;
}
}