3 * WordPress user administration API.
6 * @subpackage Administration
10 * Creates a new user from the "Users" form using $_POST information.
14 * @return null|WP_Error|int Null when adding user, WP_Error or User ID integer when no parameters.
21 * Edit user settings based on contents of $_POST
23 * Used on user-edit.php and profile.php to manage and process user options, passwords etc.
27 * @param int $user_id Optional. User ID.
28 * @return int user id of the updated user
30 function edit_user( $user_id = 0 ) {
35 $user->ID = (int) $user_id;
36 $userdata = get_userdata( $user_id );
37 $user->user_login = wp_slash( $userdata->user_login );
42 if ( !$update && isset( $_POST['user_login'] ) )
43 $user->user_login = sanitize_user($_POST['user_login'], true);
46 if ( isset( $_POST['pass1'] ) )
47 $pass1 = $_POST['pass1'];
48 if ( isset( $_POST['pass2'] ) )
49 $pass2 = $_POST['pass2'];
51 if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) {
52 $new_role = sanitize_text_field( $_POST['role'] );
53 $potential_role = isset($wp_roles->role_objects[$new_role]) ? $wp_roles->role_objects[$new_role] : false;
54 // Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
55 // Multisite super admins can freely edit their blog roles -- they possess all caps.
56 if ( ( is_multisite() && current_user_can( 'manage_sites' ) ) || $user_id != get_current_user_id() || ($potential_role && $potential_role->has_cap( 'edit_users' ) ) )
57 $user->role = $new_role;
59 // If the new role isn't editable by the logged-in user die with error
60 $editable_roles = get_editable_roles();
61 if ( ! empty( $new_role ) && empty( $editable_roles[$new_role] ) )
62 wp_die(__('You can’t give users that role.'));
65 if ( isset( $_POST['email'] ))
66 $user->user_email = sanitize_text_field( $_POST['email'] );
67 if ( isset( $_POST['url'] ) ) {
68 if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) {
71 $user->user_url = esc_url_raw( $_POST['url'] );
72 $protocols = implode( '|', array_map( 'preg_quote', wp_allowed_protocols() ) );
73 $user->user_url = preg_match('/^(' . $protocols . '):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url;
76 if ( isset( $_POST['first_name'] ) )
77 $user->first_name = sanitize_text_field( $_POST['first_name'] );
78 if ( isset( $_POST['last_name'] ) )
79 $user->last_name = sanitize_text_field( $_POST['last_name'] );
80 if ( isset( $_POST['nickname'] ) )
81 $user->nickname = sanitize_text_field( $_POST['nickname'] );
82 if ( isset( $_POST['display_name'] ) )
83 $user->display_name = sanitize_text_field( $_POST['display_name'] );
85 if ( isset( $_POST['description'] ) )
86 $user->description = trim( $_POST['description'] );
88 foreach ( wp_get_user_contact_methods( $user ) as $method => $name ) {
89 if ( isset( $_POST[$method] ))
90 $user->$method = sanitize_text_field( $_POST[$method] );
94 $user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' == $_POST['rich_editing'] ? 'false' : 'true';
95 $user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh';
96 $user->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false';
99 $user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' == $_POST['comment_shortcuts'] ? 'true' : '';
102 if ( !empty($_POST['use_ssl']) )
105 $errors = new WP_Error();
107 /* checking that username has been typed */
108 if ( $user->user_login == '' )
109 $errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ) );
111 /* checking the password has been typed twice */
113 * Fires before the password and confirm password fields are checked for congruity.
117 * @param string $user_login The username.
118 * @param string &$pass1 The password, passed by reference.
119 * @param string &$pass2 The confirmed password, passed by reference.
121 do_action_ref_array( 'check_passwords', array( $user->user_login, &$pass1, &$pass2 ) );
124 if ( empty($pass1) && !empty($pass2) )
125 $errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass1' ) );
126 elseif ( !empty($pass1) && empty($pass2) )
127 $errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass2' ) );
130 $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password.' ), array( 'form-field' => 'pass1' ) );
131 elseif ( empty($pass2) )
132 $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password twice.' ), array( 'form-field' => 'pass2' ) );
135 /* Check for "\" in password */
136 if ( false !== strpos( wp_unslash( $pass1 ), "\\" ) )
137 $errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) );
139 /* checking the password has been typed twice the same */
140 if ( $pass1 != $pass2 )
141 $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter the same password in the two password fields.' ), array( 'form-field' => 'pass1' ) );
143 if ( !empty( $pass1 ) )
144 $user->user_pass = $pass1;
146 if ( !$update && isset( $_POST['user_login'] ) && !validate_username( $_POST['user_login'] ) )
147 $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ));
149 if ( !$update && username_exists( $user->user_login ) )
150 $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ));
152 /* checking e-mail address */
153 if ( empty( $user->user_email ) ) {
154 $errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please enter an e-mail address.' ), array( 'form-field' => 'email' ) );
155 } elseif ( !is_email( $user->user_email ) ) {
156 $errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn’t correct.' ), array( 'form-field' => 'email' ) );
157 } elseif ( ( $owner_id = email_exists($user->user_email) ) && ( !$update || ( $owner_id != $user->ID ) ) ) {
158 $errors->add( 'email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'), array( 'form-field' => 'email' ) );
162 * Fires before user profile update errors are returned.
166 * @param array &$errors An array of user profile update errors, passed by reference.
167 * @param bool $update Whether this is a user update.
168 * @param WP_User &$user WP_User object, passed by reference.
170 do_action_ref_array( 'user_profile_update_errors', array( &$errors, $update, &$user ) );
172 if ( $errors->get_error_codes() )
176 $user_id = wp_update_user( $user );
178 $user_id = wp_insert_user( $user );
179 wp_new_user_notification( $user_id, isset( $_POST['send_password'] ) ? wp_unslash( $pass1 ) : '' );
185 * Fetch a filtered list of user roles that the current user is
188 * Simple function who's main purpose is to allow filtering of the
189 * list of roles in the $wp_roles object so that plugins can remove
190 * inappropriate ones depending on the situation or user making edits.
191 * Specifically because without filtering anyone with the edit_users
192 * capability can edit others to be administrators, even if they are
193 * only editors or authors. This filter allows admins to delegate
200 function get_editable_roles() {
203 $all_roles = $wp_roles->roles;
206 * Filter the list of editable roles.
210 * @param array $all_roles List of roles.
212 $editable_roles = apply_filters( 'editable_roles', $all_roles );
214 return $editable_roles;
218 * Retrieve user data and filter it.
222 * @param int $user_id User ID.
223 * @return WP_User|bool WP_User object on success, false on failure.
225 function get_user_to_edit( $user_id ) {
226 $user = get_userdata( $user_id );
229 $user->filter = 'edit';
235 * Retrieve the user's drafts.
239 * @param int $user_id User ID.
242 function get_users_drafts( $user_id ) {
244 $query = $wpdb->prepare("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id);
247 * Filter the user's drafts query string.
251 * @param string $query The user's drafts query string.
253 $query = apply_filters( 'get_users_drafts', $query );
254 return $wpdb->get_results( $query );
258 * Remove user and optionally reassign posts and links to another user.
260 * If the $reassign parameter is not assigned to an User ID, then all posts will
261 * be deleted of that user. The action 'delete_user' that is passed the User ID
262 * being deleted will be run after the posts are either reassigned or deleted.
263 * The user meta will also be deleted that are for that User ID.
267 * @param int $id User ID.
268 * @param int $reassign Optional. Reassign posts and links to new User ID.
269 * @return bool True when finished.
271 function wp_delete_user( $id, $reassign = null ) {
275 $user = new WP_User( $id );
277 if ( !$user->exists() )
280 // Normalize $reassign to null or a user ID. 'novalue' was an older default.
281 if ( 'novalue' === $reassign ) {
283 } elseif ( null !== $reassign ) {
284 $reassign = (int) $reassign;
288 * Fires immediately before a user is deleted from the database.
292 * @param int $id ID of the user to delete.
293 * @param int|null $reassign ID of the user to reassign posts and links to.
294 * Default null, for no reassignment.
296 do_action( 'delete_user', $id, $reassign );
298 if ( null === $reassign ) {
299 $post_types_to_delete = array();
300 foreach ( get_post_types( array(), 'objects' ) as $post_type ) {
301 if ( $post_type->delete_with_user ) {
302 $post_types_to_delete[] = $post_type->name;
303 } elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) {
304 $post_types_to_delete[] = $post_type->name;
309 * Filter the list of post types to delete with a user.
313 * @param array $post_types_to_delete Post types to delete.
314 * @param int $id User ID.
316 $post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
317 $post_types_to_delete = implode( "', '", $post_types_to_delete );
318 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) );
320 foreach ( $post_ids as $post_id )
321 wp_delete_post( $post_id );
325 $link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
328 foreach ( $link_ids as $link_id )
329 wp_delete_link($link_id);
332 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
333 $wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) );
334 if ( ! empty( $post_ids ) ) {
335 foreach ( $post_ids as $post_id )
336 clean_post_cache( $post_id );
338 $link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
339 $wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) );
340 if ( ! empty( $link_ids ) ) {
341 foreach ( $link_ids as $link_id )
342 clean_bookmark_cache( $link_id );
346 // FINALLY, delete user
347 if ( is_multisite() ) {
348 remove_user_from_blog( $id, get_current_blog_id() );
350 $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
351 foreach ( $meta as $mid )
352 delete_metadata_by_mid( 'user', $mid );
354 $wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
357 clean_user_cache( $user );
360 * Fires immediately after a user is deleted from the database.
364 * @param int $id ID of the deleted user.
365 * @param int|null $reassign ID of the user to reassign posts and links to.
366 * Default null, for no reassignment.
368 do_action( 'deleted_user', $id, $reassign );
374 * Remove all capabilities from user.
378 * @param int $id User ID.
380 function wp_revoke_user($id) {
383 $user = new WP_User($id);
384 $user->remove_all_caps();
387 add_action('admin_init', 'default_password_nag_handler');
391 function default_password_nag_handler($errors = false) {
394 if ( ! get_user_option('default_password_nag') )
397 // get_user_setting = JS saved UI setting. else no-js-fallback code.
398 if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) {
399 delete_user_setting('default_password_nag');
400 update_user_option($user_ID, 'default_password_nag', false, true);
404 add_action('profile_update', 'default_password_nag_edit_user', 10, 2);
409 function default_password_nag_edit_user($user_ID, $old_data) {
411 if ( ! get_user_option('default_password_nag', $user_ID) )
414 $new_data = get_userdata($user_ID);
416 // Remove the nag if the password has been changed.
417 if ( $new_data->user_pass != $old_data->user_pass ) {
418 delete_user_setting('default_password_nag');
419 update_user_option($user_ID, 'default_password_nag', false, true);
423 add_action('admin_notices', 'default_password_nag');
428 function default_password_nag() {
431 if ( 'profile.php' == $pagenow || ! get_user_option('default_password_nag') )
434 echo '<div class="error default-password-nag">';
436 echo '<strong>' . __('Notice:') . '</strong> ';
437 _e('You’re using the auto-generated password for your account. Would you like to change it to something easier to remember?');
439 printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url() . '#password' );
440 printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' );