PHP wpcf_admin_fields_save_field函数代码示例

/**
 * Saves user fields and groups.
 * 
 * If field name is changed in specific group - new one will be created,
 * otherwise old one will be updated and will appear in that way in other grups.
 * 
 * @return type 
 */
function wpcf_admin_save_usermeta_groups_submit($form)
{
    if (!isset($_POST['wpcf']['group']['name'])) {
        return false;
    }
    $_POST['wpcf']['group']['name'] = trim($_POST['wpcf']['group']['name']);
    $_POST['wpcf']['group'] = apply_filters('wpcf_group_pre_save', $_POST['wpcf']['group']);
    global $wpdb;
    $new_group = false;
    $group_slug = $_POST['wpcf']['group']['slug'] = sanitize_title($_POST['wpcf']['group']['name']);
    // Basic check
    if (isset($_REQUEST['group_id'])) {
        // Check if group exists
        $post = get_post($_REQUEST['group_id']);
        // Name changed
        if (strtolower($_POST['wpcf']['group']['name']) != strtolower($post->post_title)) {
            // Check if already exists
            $exists = get_page_by_title($_POST['wpcf']['group']['name'], 'OBJECT', 'wp-types-user-group');
            if (!empty($exists)) {
                $form->triggerError();
                wpcf_admin_message(sprintf(__("A group by name <em>%s</em> already exists. Please use a different name and save again.", 'wpcf'), $_POST['wpcf']['group']['name']), 'error');
                return $form;
            }
        }
        if (empty($post) || $post->post_type != 'wp-types-user-group') {
            $form->triggerError();
            wpcf_admin_message(sprintf(__("Wrong group ID %d", 'wpcf'), intval($_REQUEST['group_id'])), 'error');
            return $form;
        }
        $group_id = $post->ID;
    } else {
        $new_group = true;
        // Check if already exists
        $exists = get_page_by_title($_POST['wpcf']['group']['name'], 'OBJECT', 'wp-types-user-group');
        if (!empty($exists)) {
            $form->triggerError();
            wpcf_admin_message(sprintf(__("A group by name <em>%s</em> already exists. Please use a different name and save again.", 'wpcf'), $_POST['wpcf']['group']['name']), 'error');
            return $form;
        }
    }
    // Save fields for future use
    $fields = array();
    if (!empty($_POST['wpcf']['fields'])) {
        // Before anything - search unallowed characters
        foreach ($_POST['wpcf']['fields'] as $key => $field) {
            if (empty($field['slug']) && preg_match('#[^a-zA-Z0-9\\s\\_\\-]#', $field['name']) || !empty($field['slug']) && preg_match('#[^a-zA-Z0-9\\s\\_\\-]#', $field['slug'])) {
                $form->triggerError();
                wpcf_admin_message(sprintf(__('Field slugs cannot contain non-English characters. Please edit this field name %s and save again.', 'wpcf'), $field['name']), 'error');
                return $form;
            }
        }
        foreach ($_POST['wpcf']['fields'] as $key => $field) {
            $field = apply_filters('wpcf_field_pre_save', $field);
            if (!empty($field['is_new'])) {
                // Check name and slug
                if (wpcf_types_cf_under_control('check_exists', sanitize_title($field['name']), 'wp-types-user-group', 'wpcf-usermeta')) {
                    $form->triggerError();
                    wpcf_admin_message(sprintf(__('Field with name "%s" already exists', 'wpcf'), $field['name']), 'error');
                    return $form;
                }
                if (isset($field['slug']) && wpcf_types_cf_under_control('check_exists', sanitize_title($field['slug']), 'wp-types-user-group', 'wpcf-usermeta')) {
                    $form->triggerError();
                    wpcf_admin_message(sprintf(__('Field with slug "%s" already exists', 'wpcf'), $field['slug']), 'error');
                    return $form;
                }
            }
            // Field ID and slug are same thing
            $field_id = wpcf_admin_fields_save_field($field, 'wp-types-user-group', 'wpcf-usermeta');
            if (!empty($field_id)) {
                $fields[] = $field_id;
            }
        }
    }
    // Save group
    $roles = isset($_POST['wpcf']['group']['supports']) ? $_POST['wpcf']['group']['supports'] : array();
    $admin_style = $_POST['wpcf']['group']['admin_styles'];
    // Rename if needed
    if (isset($_REQUEST['group_id'])) {
        $_POST['wpcf']['group']['id'] = $_REQUEST['group_id'];
    }
    $group_id = wpcf_admin_fields_save_group($_POST['wpcf']['group'], 'wp-types-user-group');
    $_POST['wpcf']['group']['id'] = $group_id;
    // Set open fieldsets
    if ($new_group && !empty($group_id)) {
        $open_fieldsets = get_user_meta(get_current_user_id(), 'wpcf-group-form-toggle', true);
        if (isset($open_fieldsets[-1])) {
            $open_fieldsets[$group_id] = $open_fieldsets[-1];
            unset($open_fieldsets[-1]);
            update_user_meta(get_current_user_id(), 'wpcf-group-form-toggle', $open_fieldsets);
        }
    }
    // Rest of processes
//.........这里部分代码省略.........

/**
 * Adds 3rd party created types, taxonomies and fields
 */
function wpcf_admin_migration_form_submit()
{
    $cfui_types = get_option('cpt_custom_post_types', array());
    $cfui_taxonomies = get_option('cpt_custom_tax_types', array());
    $wpcf_types = get_option('wpcf-custom-types', array());
    $wpcf_taxonomies = get_option('wpcf-custom-taxonomies', array());
    $redirect_page = 'wpcf-ctt';
    if (!empty($_POST['cfui']['types'])) {
        $data = array();
        foreach ($_POST['cfui']['types'] as $key => $types_slug) {
            if (array_key_exists(sanitize_title($types_slug), $wpcf_types)) {
                continue;
            }
            foreach ($cfui_types as $cfui_type) {
                if (sanitize_title($cfui_type['name']) == $types_slug) {
                    $data[$types_slug] = wpcf_admin_migrate_get_cfui_type_data($cfui_type);
                    wpcf_admin_message_store(sprintf(__("Post Type %s added", 'wpcf'), '<em>' . $cfui_type['name'] . '</em>'));
                }
            }
        }
        $wpcf_types = array_merge($wpcf_types, $data);
        update_option('wpcf-custom-types', $wpcf_types);
    }
    if (!empty($_POST['cfui']['tax'])) {
        $data = array();
        foreach ($_POST['cfui']['tax'] as $key => $tax_slug) {
            if (array_key_exists(sanitize_title($tax_slug), $wpcf_taxonomies)) {
                continue;
            }
            foreach ($cfui_taxonomies as $cfui_tax) {
                if (sanitize_title($cfui_tax['name']) == $tax_slug) {
                    $data[$tax_slug] = wpcf_admin_migrate_get_cfui_tax_data($cfui_tax);
                    wpcf_admin_message_store(sprintf(__("Taxonomy %s added", 'wpcf'), '<em>' . $cfui_tax['name'] . '</em>'));
                }
            }
        }
        $wpcf_taxonomies = array_merge($wpcf_taxonomies, $data);
        update_option('wpcf-custom-taxonomies', $wpcf_taxonomies);
    }
    // ACF
    if (!empty($_POST['acf_posts']['migrate_groups'])) {
        foreach ($_POST['acf_posts']['migrate_groups'] as $acf_group_id) {
            if (empty($_POST['acf_posts'][$acf_group_id])) {
                continue;
            }
            global $wpdb;
            $group = $wpdb->get_row($wpdb->prepare("SELECT ID, post_title FROM {$wpdb->posts} WHERE post_title = %s AND post_type='wp-types-group'", $_POST['acf_posts'][$acf_group_id]['post_title']));
            if (empty($group)) {
                $group = array();
                $group['name'] = $_POST['acf_posts'][$acf_group_id]['post_title'];
                $group['description'] = $_POST['acf_posts'][$acf_group_id]['post_content'];
                $group_id = wpcf_admin_fields_save_group($group);
                wpcf_admin_message_store(sprintf(__("Group %s added", 'wpcf'), '<em>' . $group['name'] . '</em>'));
            } else {
                $group_id = $group->ID;
                wpcf_admin_message_store(sprintf(__("Group %s updated", 'wpcf'), '<em>' . $group->post_title . '</em>'));
            }
            $fields_to_add = array();
            if ($group_id && !empty($_POST['acf_posts'][$acf_group_id]['fields'])) {
                foreach ($_POST['acf_posts'][$acf_group_id]['fields'] as $field_id => $field) {
                    if (!in_array($field_id, $_POST['acf_posts'][$acf_group_id]['migrate_fields'])) {
                        continue;
                    }
                    if (!wpcf_types_cf_under_control('check_exists', $field['slug']) || wpcf_types_cf_under_control('check_outsider', $field['slug'])) {
                        // save field
                        $field['controlled'] = 1;
                        $temp = wpcf_admin_fields_save_field($field);
                        $fields_to_add[] = $temp;
                        wpcf_admin_message_store(sprintf(__("Field %s added", 'wpcf'), '<em>' . $temp . '</em>'));
                    }
                }
                wpcf_admin_fields_save_group_fields($group_id, $fields_to_add, false);
            }
            wpcf_admin_fields_save_group_post_types($group_id, array());
            wpcf_admin_fields_save_group_terms($group_id, array());
        }
        $redirect_page = 'wpcf';
    }
    flush_rewrite_rules();
    // Deactivate plugins
    if (!empty($_POST['deactivate-cfui'])) {
        $active_plugins = get_option('active_plugins', array());
        foreach ($active_plugins as $key => $file) {
            if (strpos($file, 'custom-post-type-ui.php') !== false) {
                unset($active_plugins[$key]);
            }
        }
        update_option('active_plugins', array_values($active_plugins));
    }
    wp_redirect(admin_url('admin.php?page=' . $redirect_page));
    die;
}

/**
 * Saves fields and groups.
 * 
 * If field name is changed in specific group - new one will be created,
 * otherwise old one will be updated and will appear in that way in other grups.
 * 
 * @return type 
 */
function wpcf_admin_save_fields_groups_submit($form)
{
    if (!isset($_POST['wpcf']['group']['name'])) {
        return false;
    }
    global $wpdb;
    $new_group = false;
    $group_slug = $_POST['wpcf']['group']['slug'] = sanitize_title($_POST['wpcf']['group']['name']);
    // Basic check
    if (isset($_REQUEST['group_id'])) {
        // Check if group exists
        $post = get_post($_REQUEST['group_id']);
        if (empty($post) || $post->post_type != 'wp-types-group') {
            $form->triggerError();
            wpcf_admin_message(sprintf(__("Wrong group ID %d", 'wpcf'), intval($_REQUEST['group_id'])), 'error');
            return false;
        }
        $group_id = $post->ID;
    } else {
        $new_group = true;
    }
    // Save fields for future use
    $fields = array();
    if (!empty($_POST['wpcf']['fields'])) {
        // Before anything - search unallowed characters
        foreach ($_POST['wpcf']['fields'] as $key => $field) {
            if (empty($field['slug']) && preg_match('#[^a-zA-Z0-9\\s\\_\\-]#', $field['name']) || !empty($field['slug']) && preg_match('#[^a-zA-Z0-9\\s\\_\\-]#', $field['slug'])) {
                $form->triggerError();
                wpcf_admin_message(sprintf(__('Field slugs cannot contain non-English characters. Please edit this field name %s and save again.', 'wpcf'), $field['name']), 'error');
                return false;
            }
        }
        foreach ($_POST['wpcf']['fields'] as $key => $field) {
            if (!empty($field['is_new'])) {
                if (wpcf_types_cf_under_control('check_exists', sanitize_title($field['name']))) {
                    $form->triggerError();
                    wpcf_admin_message(sprintf(__('Field with name "%s" already exists', 'wpcf'), $field['name']), 'error');
                    return false;
                }
            }
            // Field ID and slug are same thing
            //            $slug = $_POST['wpcf']['fields'][$key]['slug'] = sanitize_title($field['name']);
            $field_id = wpcf_admin_fields_save_field($field);
            if (!empty($field_id)) {
                $fields[] = $field_id;
            }
            // WPML
            if (function_exists('wpml_cf_translation_preferences_store')) {
                $wpml_save_cf = wpml_cf_translation_preferences_store($key, wpcf_types_get_meta_prefix(wpcf_admin_fields_get_field($field_id)) . $field_id);
            }
        }
    }
    // Save group
    $post_types = isset($_POST['wpcf']['group']['supports']) ? $_POST['wpcf']['group']['supports'] : array();
    $taxonomies_post = isset($_POST['wpcf']['group']['taxonomies']) ? $_POST['wpcf']['group']['taxonomies'] : array();
    $terms = array();
    foreach ($taxonomies_post as $taxonomy) {
        foreach ($taxonomy as $tax => $term) {
            $terms[] = $term;
        }
    }
    // Rename if needed
    if (isset($_REQUEST['group_id'])) {
        $_POST['wpcf']['group']['id'] = $_REQUEST['group_id'];
    }
    $group_id = wpcf_admin_fields_save_group($_POST['wpcf']['group']);
    // Set open fieldsets
    if ($new_group && !empty($group_id)) {
        $open_fieldsets = get_user_meta(get_current_user_id(), 'wpcf-group-form-toggle', true);
        if (isset($open_fieldsets[-1])) {
            $open_fieldsets[$group_id] = $open_fieldsets[-1];
            unset($open_fieldsets[-1]);
            update_user_meta(get_current_user_id(), 'wpcf-group-form-toggle', $open_fieldsets);
        }
    }
    // Rest of processes
    if (!empty($group_id)) {
        wpcf_admin_fields_save_group_fields($group_id, $fields);
        wpcf_admin_fields_save_group_post_types($group_id, $post_types);
        wpcf_admin_fields_save_group_terms($group_id, $terms);
        if (!empty($_POST['wpcf']['group']['templates'])) {
            wpcf_admin_fields_save_group_templates($group_id, $_POST['wpcf']['group']['templates']);
        }
        $_POST['wpcf']['group']['fields'] = isset($_POST['wpcf']['fields']) ? $_POST['wpcf']['fields'] : array();
        do_action('wpcf_save_group', $_POST['wpcf']['group']);
        wpcf_admin_message_store(__('Group saved', 'wpcf'));
        wp_redirect(admin_url('admin.php?page=wpcf-edit&group_id=' . $group_id));
        die;
    } else {
        wpcf_admin_message_store(__('Error saving group', 'wpcf'), 'error');
    }
}

 /**
  * Summary.
  *
  * Description.
  *
  * @since x.x.x
  * @access (for functions: only use if private)
  *
  * @see Function/method/class relied on
  * @link URL
  * @global type $varname Description.
  * @global type $varname Description.
  *
  * @param type $var Description.
  * @param type $var Optional. Description.
  * @return type Description.
  */
 public function save()
 {
     if (!isset($_POST['wpcf']) || !isset($_POST['wpcf']['group']) || !isset($_POST['wpcf']['group']['name'])) {
         return false;
     }
     $_POST['wpcf']['group'] = apply_filters('wpcf_group_pre_save', $_POST['wpcf']['group']);
     $group_name = wp_kses_post($_POST['wpcf']['group']['name']);
     require_once WPCF_EMBEDDED_ABSPATH . '/classes/forms.php';
     $form = new Enlimbo_Forms_Wpcf();
     if (empty($group_name)) {
         $form->triggerError();
         wpcf_admin_message(__('Group name can not be empty.', 'wpcf'), 'error');
         return $form;
     }
     $new_group = false;
     $group_slug = sanitize_title($group_name);
     // Basic check
     if (isset($_REQUEST[$this->get_id])) {
         // Check if group exists
         $post = get_post(intval($_REQUEST[$this->get_id]));
         // Name changed
         if (strtolower($group_name) != strtolower($post->post_title)) {
             // Check if already exists
             $exists = get_page_by_title($group_name, 'OBJECT', TYPES_USER_META_FIELD_GROUP_CPT_NAME);
             if (!empty($exists)) {
                 $form->triggerError();
                 wpcf_admin_message(sprintf(__("A group by name <em>%s</em> already exists. Please use a different name and save again.", 'wpcf'), apply_filters('the_title', $exists->post_title)), 'error');
                 return $form;
             }
         }
         if (empty($post) || $post->post_type != TYPES_USER_META_FIELD_GROUP_CPT_NAME) {
             $form->triggerError();
             wpcf_admin_message(sprintf(__("Wrong group ID %d", 'wpcf'), intval($_REQUEST[$this->get_id])), 'error');
             return $form;
         }
         $group_id = $post->ID;
     } else {
         $new_group = true;
         // Check if already exists
         $exists = get_page_by_title($group_name, 'OBJECT', TYPES_USER_META_FIELD_GROUP_CPT_NAME);
         if (!empty($exists)) {
             $form->triggerError();
             wpcf_admin_message(sprintf(__("A group by name <em>%s</em> already exists. Please use a different name and save again.", 'wpcf'), apply_filters('the_title', $exists->post_title)), 'error');
             return $form;
         }
     }
     // Save fields for future use
     $fields = array();
     if (!empty($_POST['wpcf']['fields'])) {
         foreach ($_POST['wpcf']['fields'] as $key => $field) {
             $field = wpcf_sanitize_field($field);
             $field = apply_filters('wpcf_field_pre_save', $field);
             if (!empty($field['is_new'])) {
                 // Check name and slug
                 if (wpcf_types_cf_under_control('check_exists', sanitize_title($field['name']), TYPES_USER_META_FIELD_GROUP_CPT_NAME, 'wpcf-usermeta')) {
                     $form->triggerError();
                     wpcf_admin_message(sprintf(__('Field with name "%s" already exists', 'wpcf'), $field['name']), 'error');
                     return $form;
                 }
                 if (isset($field['slug']) && wpcf_types_cf_under_control('check_exists', sanitize_title($field['slug']), TYPES_USER_META_FIELD_GROUP_CPT_NAME, 'wpcf-usermeta')) {
                     $form->triggerError();
                     wpcf_admin_message(sprintf(__('Field with slug "%s" already exists', 'wpcf'), $field['slug']), 'error');
                     return $form;
                 }
             }
             // Field ID and slug are same thing
             $field_id = wpcf_admin_fields_save_field($field, TYPES_USER_META_FIELD_GROUP_CPT_NAME, 'wpcf-usermeta');
             if (!empty($field_id)) {
                 $fields[] = $field_id;
             }
         }
     }
     // Save group
     $roles = isset($_POST['wpcf']['group']['supports']) ? $_POST['wpcf']['group']['supports'] : array();
     /**
      * Admin styles
      */
     if (isset($_POST['wpcf']['group']['admin_styles'])) {
         $admin_style = esc_html($_POST['wpcf']['group']['admin_styles']);
     }
     // Rename if needed
     if (isset($_REQUEST[$this->get_id])) {
         $_POST['wpcf']['group']['id'] = intval($_REQUEST[$this->get_id]);
//.........这里部分代码省略.........

/**
 * Saves fields and groups.
 *
 * If field name is changed in specific group - new one will be created,
 * otherwise old one will be updated and will appear in that way in other grups.
 *
 * @return type
 */
function wpcf_admin_save_fields_groups_submit($form)
{
    if (!isset($_POST['wpcf']) || !isset($_POST['wpcf']['group']) || !isset($_POST['wpcf']['group']['name'])) {
        return false;
    }
    // @todo maybe sanitize_text_field this too
    $_POST['wpcf']['group']['name'] = trim(strip_tags($_POST['wpcf']['group']['name']));
    $_POST['wpcf']['group'] = apply_filters('wpcf_group_pre_save', $_POST['wpcf']['group']);
    if (empty($_POST['wpcf']['group']['name'])) {
        $form->triggerError();
        wpcf_admin_message(__('Group name can not be empty.', 'wpcf'), 'error');
        return $form;
    }
    $new_group = false;
    $group_slug = $_POST['wpcf']['group']['slug'] = sanitize_title($_POST['wpcf']['group']['name']);
    // Basic check
    if (isset($_REQUEST['group_id'])) {
        // Check if group exists
        $post = get_post(intval($_REQUEST['group_id']));
        // Name changed
        if (strtolower($_POST['wpcf']['group']['name']) != strtolower($post->post_title)) {
            // Check if already exists
            $exists = get_page_by_title($_POST['wpcf']['group']['name'], 'OBJECT', 'wp-types-group');
            if (!empty($exists)) {
                $form->triggerError();
                wpcf_admin_message(sprintf(__("A group by name <em>%s</em> already exists. Please use a different name and save again.", 'wpcf'), htmlspecialchars($_POST['wpcf']['group']['name'])), 'error');
                return $form;
            }
        }
        if (empty($post) || $post->post_type != 'wp-types-group') {
            $form->triggerError();
            wpcf_admin_message(sprintf(__("Wrong group ID %d", 'wpcf'), intval($_REQUEST['group_id'])), 'error');
            return $form;
        }
        $group_id = $post->ID;
    } else {
        $new_group = true;
        // Check if already exists
        $exists = get_page_by_title($_POST['wpcf']['group']['name'], 'OBJECT', 'wp-types-group');
        if (!empty($exists)) {
            $form->triggerError();
            wpcf_admin_message(sprintf(__("A group by name <em>%s</em> already exists. Please use a different name and save again.", 'wpcf'), htmlspecialchars($_POST['wpcf']['group']['name'])), 'error');
            return $form;
        }
    }
    // Save fields for future use
    $fields = array();
    if (!empty($_POST['wpcf']['fields'])) {
        // Before anything - search unallowed characters
        foreach ($_POST['wpcf']['fields'] as $key => $field) {
            if (empty($field['slug']) && preg_match('#[^a-zA-Z0-9\\s\\_\\-]#', $field['name']) || !empty($field['slug']) && preg_match('#[^a-zA-Z0-9\\s\\_\\-]#', $field['slug'])) {
                $form->triggerError();
                wpcf_admin_message(sprintf(__('Field slugs cannot contain non-English characters. Please edit this field name %s and save again.', 'wpcf'), $field['name']), 'error');
                return $form;
            }
            if (!empty($field['name']) && is_numeric($field['name']) || !empty($field['slug']) && is_numeric($field['slug'])) {
                $form->triggerError();
                wpcf_admin_message(sprintf(__('Field names or slugs cannot contain only numbers.', 'wpcf'), $field['name']), 'error');
                return $form;
            }
        }
        // First check all fields
        foreach ($_POST['wpcf']['fields'] as $key => $field) {
            $field = apply_filters('wpcf_field_pre_save', $field);
            if (!empty($field['is_new'])) {
                // Check name and slug
                if (wpcf_types_cf_under_control('check_exists', sanitize_title($field['name']))) {
                    $form->triggerError();
                    wpcf_admin_message(sprintf(__('Field with name "%s" already exists', 'wpcf'), $field['name']), 'error');
                    return $form;
                }
                if (isset($field['slug']) && wpcf_types_cf_under_control('check_exists', sanitize_title($field['slug']))) {
                    $form->triggerError();
                    wpcf_admin_message(sprintf(__('Field with slug "%s" already exists', 'wpcf'), $field['slug']), 'error');
                    return $form;
                }
            }
            // Field ID and slug are same thing
            $field_id = wpcf_admin_fields_save_field($field);
            if (is_wp_error($field_id)) {
                $form->triggerError();
                wpcf_admin_message($field_id->get_error_message(), 'error');
                return $form;
            }
            if (!empty($field_id)) {
                $fields[] = $field_id;
            }
            // WPML
            if (function_exists('wpml_cf_translation_preferences_store')) {
                $wpml_save_cf = wpml_cf_translation_preferences_store($key, wpcf_types_get_meta_prefix(wpcf_admin_fields_get_field($field_id)) . $field_id);
            }
        }
//.........这里部分代码省略.........

 /**
  * Summary.
  *
  * Description.
  *
  * @since x.x.x
  * @access (for functions: only use if private)
  *
  * @see Function/method/class relied on
  * @link URL
  * @global type $varname Description.
  * @global type $varname Description.
  *
  * @param type $var Description.
  * @param type $var Optional. Description.
  *
  * @return type Description.
  */
 private function save_group_fields($group_id)
 {
     if (empty($_POST['wpcf']['fields'])) {
         delete_post_meta($group_id, '_wp_types_group_fields');
         return;
     }
     $fields = array();
     // First check all fields
     foreach ($_POST['wpcf']['fields'] as $key => $field) {
         $field = wpcf_sanitize_field($field);
         $field = apply_filters('wpcf_field_pre_save', $field);
         if (!empty($field['is_new'])) {
             // Check name and slug
             if (wpcf_types_cf_under_control('check_exists', sanitize_title($field['name']))) {
                 $this->triggerError();
                 wpcf_admin_message(sprintf(__('Field with name "%s" already exists', 'wpcf'), $field['name']), 'error');
                 return $form;
             }
             if (isset($field['slug']) && wpcf_types_cf_under_control('check_exists', sanitize_title($field['slug']))) {
                 $this->triggerError();
                 wpcf_admin_message(sprintf(__('Field with slug "%s" already exists', 'wpcf'), $field['slug']), 'error');
                 return $form;
             }
         }
         $field['submit-key'] = $key;
         // Field ID and slug are same thing
         $field_id = wpcf_admin_fields_save_field($field);
         if (is_wp_error($field_id)) {
             $this->triggerError();
             wpcf_admin_message($field_id->get_error_message(), 'error');
             return;
         }
         if (!empty($field_id)) {
             $fields[] = $field_id;
         }
         // WPML
         /** @var string $field_id */
         if (defined('ICL_SITEPRESS_VERSION') && version_compare(ICL_SITEPRESS_VERSION, '3.2', '<')) {
             if (function_exists('wpml_cf_translation_preferences_store')) {
                 $real_custom_field_name = wpcf_types_get_meta_prefix(wpcf_admin_fields_get_field($field_id)) . $field_id;
                 wpml_cf_translation_preferences_store($key, $real_custom_field_name);
             }
         }
     }
     wpcf_admin_fields_save_group_fields($group_id, $fields);
 }

 private function save_filter_fields($group_id, $fields_data)
 {
     if (empty($fields_data)) {
         delete_post_meta($group_id, '_wp_types_group_fields');
         return;
     }
     $fields = array();
     // First check all fields
     foreach ($fields_data as $field_key => $field) {
         $field = wpcf_sanitize_field($field);
         $field = apply_filters('wpcf_field_pre_save', $field);
         if (!empty($field['is_new'])) {
             // Check name and slug
             if (wpcf_types_cf_under_control('check_exists', sanitize_title($field['name']), WPCF_Field_Group_Term::POST_TYPE, WPCF_Field_Term_Definition_Factory::FIELD_DEFINITIONS_OPTION)) {
                 $this->triggerError();
                 wpcf_admin_message(sprintf(__('Field with name "%s" already exists', 'wpcf'), $field['name']), 'error');
                 return;
             }
             if (isset($field['slug']) && wpcf_types_cf_under_control('check_exists', sanitize_title($field['slug']), WPCF_Field_Group_Term::POST_TYPE, WPCF_Field_Term_Definition_Factory::FIELD_DEFINITIONS_OPTION)) {
                 $this->triggerError();
                 wpcf_admin_message(sprintf(__('Field with slug "%s" already exists', 'wpcf'), $field['slug']), 'error');
                 return;
             }
         }
         $field['submit-key'] = $field_key;
         // Field ID and slug are same thing
         $field_slug = wpcf_admin_fields_save_field($field, WPCF_Field_Group_Term::POST_TYPE, WPCF_Field_Term_Definition_Factory::FIELD_DEFINITIONS_OPTION);
         if (is_wp_error($field_slug)) {
             $this->triggerError();
             wpcf_admin_message($field_slug->get_error_message(), 'error');
             return;
         }
         if (!empty($field_slug)) {
             $fields[] = $field_slug;
         }
         // WPML
         if (defined('ICL_SITEPRESS_VERSION') && version_compare(ICL_SITEPRESS_VERSION, '3.2', '<')) {
             if (function_exists('wpml_cf_translation_preferences_store')) {
                 $real_custom_field_name = wpcf_types_get_meta_prefix(wpcf_admin_fields_get_field($field_slug, false, false, false, WPCF_Field_Term_Definition_Factory::FIELD_DEFINITIONS_OPTION)) . $field_slug;
                 wpml_cf_translation_preferences_store($field_key, $real_custom_field_name);
             }
         }
     }
     wpcf_admin_fields_save_group_fields($group_id, $fields, false, WPCF_Field_Group_Term::POST_TYPE, WPCF_Field_Term_Definition_Factory::FIELD_DEFINITIONS_OPTION);
 }