%PDF- %PDF-
Direktori : /var/www/projetos/fungraca.org.br/wp-content/plugins/wpforms-lite/includes/ |
Current File : /var/www/projetos/fungraca.org.br/wp-content/plugins/wpforms-lite/includes/class-form.php |
<?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'; /** * Primary class constructor. * * @since 1.0.0 */ public function __construct() { $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 ); } /** * 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 ], '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 = '', $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 = '', $args = [] ) { $args = apply_filters( 'wpforms_get_single_form_args', $args, $id ); if ( ! isset( $args['cap'] ) && wpforms()->get( '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 ) && $form->post_type === 'wpforms' ? 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( $args = [] ) { /** * 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 ); // 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 ); $args['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_status' => 'trash', 'fields' => 'ids', 'suppress_filters' => true, ] ); 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()->entry->delete_by( 'form_id', $id ); wpforms()->entry_meta->delete_by( 'form_id', $id ); wpforms()->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' => '', ], ]; $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}', /* translators: %s - Form Title. */ 'subject' => sprintf( esc_html__( 'New Entry: %s', 'wpforms-lite' ), esc_html( $title ) ), 'sender_name' => get_bloginfo( 'name' ), 'sender_address' => '{admin_email}', 'replyto' => '{field_id="1"}', '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 mixed * @internal param string $title */ public function update( $form_id = '', $data = [], $args = [] ) { 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 ); $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'] ) ? absint( $data['field_id'] ) : '0'; // Preserve form meta. $meta = $this->get_meta( $form_id ); if ( $meta ) { $data['meta'] = $meta; } // 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 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 ); $form = apply_filters( '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 ); do_action( 'wpforms_save_form', $_form_id, $form ); 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 * * @param array $ids Form IDs to duplicate. * * @return bool */ public function duplicate( $ids = [] ) { // 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 ); 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 ( ! $form || empty( $form ) ) { return false; } // Get the form data. $new_form_data = wpforms_decode( $form->post_content ); // Remove form ID from title if present. $new_form_data['settings']['form_title'] = str_replace( '(ID #' . absint( $id ) . ')', '', $new_form_data['settings']['form_title'] ); // 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, ]; $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'] .= ' (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 || is_wp_error( $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 ); } } return true; } /** * 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 ( 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; } }