+if ( !class_exists('WP_User_Search') ) :
+/**
+ * WordPress User Search class.
+ *
+ * @since unknown
+ */
+class WP_User_Search {
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var unknown_type
+ */
+ var $results;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var unknown_type
+ */
+ var $search_term;
+
+ /**
+ * Page number.
+ *
+ * @since unknown
+ * @access private
+ * @var int
+ */
+ var $page;
+
+ /**
+ * Role name that users have.
+ *
+ * @since unknown
+ * @access private
+ * @var string
+ */
+ var $role;
+
+ /**
+ * Raw page number.
+ *
+ * @since unknown
+ * @access private
+ * @var int|bool
+ */
+ var $raw_page;
+
+ /**
+ * Amount of users to display per page.
+ *
+ * @since unknown
+ * @access public
+ * @var int
+ */
+ var $users_per_page = 50;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var unknown_type
+ */
+ var $first_user;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var int
+ */
+ var $last_user;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var string
+ */
+ var $query_limit;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since 3.0.0
+ * @access private
+ * @var string
+ */
+ var $query_orderby;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since 3.0.0
+ * @access private
+ * @var string
+ */
+ var $query_from;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since 3.0.0
+ * @access private
+ * @var string
+ */
+ var $query_where;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var int
+ */
+ var $total_users_for_query = 0;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var bool
+ */
+ var $too_many_total_users = false;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var unknown_type
+ */
+ var $search_errors;
+
+ /**
+ * {@internal Missing Description}}
+ *
+ * @since unknown
+ * @access private
+ * @var unknown_type
+ */
+ var $paging_text;
+
+ /**
+ * PHP4 Constructor - Sets up the object properties.
+ *
+ * @since unknown
+ *
+ * @param string $search_term Search terms string.
+ * @param int $page Optional. Page ID.
+ * @param string $role Role name.
+ * @return WP_User_Search
+ */
+ function WP_User_Search ($search_term = '', $page = '', $role = '') {
+ $this->search_term = $search_term;
+ $this->raw_page = ( '' == $page ) ? false : (int) $page;
+ $this->page = (int) ( '' == $page ) ? 1 : $page;
+ $this->role = $role;
+
+ $this->prepare_query();
+ $this->query();
+ $this->prepare_vars_for_template_usage();
+ $this->do_paging();
+ }
+
+ /**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since unknown
+ * @access public
+ */
+ function prepare_query() {
+ global $wpdb;
+ $this->first_user = ($this->page - 1) * $this->users_per_page;
+
+ $this->query_limit = $wpdb->prepare(" LIMIT %d, %d", $this->first_user, $this->users_per_page);
+ $this->query_orderby = ' ORDER BY user_login';
+
+ $search_sql = '';
+ if ( $this->search_term ) {
+ $searches = array();
+ $search_sql = 'AND (';
+ foreach ( array('user_login', 'user_nicename', 'user_email', 'user_url', 'display_name') as $col )
+ $searches[] = $col . " LIKE '%$this->search_term%'";
+ $search_sql .= implode(' OR ', $searches);
+ $search_sql .= ')';
+ }
+
+ $this->query_from = " FROM $wpdb->users";
+ $this->query_where = " WHERE 1=1 $search_sql";
+
+ if ( $this->role ) {
+ $this->query_from .= " INNER JOIN $wpdb->usermeta ON $wpdb->users.ID = $wpdb->usermeta.user_id";
+ $this->query_where .= $wpdb->prepare(" AND $wpdb->usermeta.meta_key = '{$wpdb->prefix}capabilities' AND $wpdb->usermeta.meta_value LIKE %s", '%' . $this->role . '%');
+ } elseif ( is_multisite() ) {
+ $level_key = $wpdb->prefix . 'capabilities'; // wpmu site admins don't have user_levels
+ $this->query_from .= ", $wpdb->usermeta";
+ $this->query_where .= " AND $wpdb->users.ID = $wpdb->usermeta.user_id AND meta_key = '{$level_key}'";
+ }
+
+ do_action_ref_array( 'pre_user_search', array( &$this ) );
+ }
+
+ /**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since unknown
+ * @access public
+ */
+ function query() {
+ global $wpdb;
+
+ $this->results = $wpdb->get_col("SELECT DISTINCT($wpdb->users.ID)" . $this->query_from . $this->query_where . $this->query_orderby . $this->query_limit);
+
+ if ( $this->results )
+ $this->total_users_for_query = $wpdb->get_var("SELECT COUNT(DISTINCT($wpdb->users.ID))" . $this->query_from . $this->query_where); // no limit
+ else
+ $this->search_errors = new WP_Error('no_matching_users_found', __('No matching users were found!'));
+ }
+
+ /**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since unknown
+ * @access public
+ */
+ function prepare_vars_for_template_usage() {
+ $this->search_term = stripslashes($this->search_term); // done with DB, from now on we want slashes gone
+ }
+
+ /**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since unknown
+ * @access public
+ */
+ function do_paging() {
+ if ( $this->total_users_for_query > $this->users_per_page ) { // have to page the results
+ $args = array();
+ if( ! empty($this->search_term) )
+ $args['usersearch'] = urlencode($this->search_term);
+ if( ! empty($this->role) )
+ $args['role'] = urlencode($this->role);
+
+ $this->paging_text = paginate_links( array(
+ 'total' => ceil($this->total_users_for_query / $this->users_per_page),
+ 'current' => $this->page,
+ 'base' => 'users.php?%_%',
+ 'format' => 'userspage=%#%',
+ 'add_args' => $args
+ ) );
+ if ( $this->paging_text ) {
+ $this->paging_text = sprintf( '<span class="displaying-num">' . __( 'Displaying %s–%s of %s' ) . '</span>%s',
+ number_format_i18n( ( $this->page - 1 ) * $this->users_per_page + 1 ),
+ number_format_i18n( min( $this->page * $this->users_per_page, $this->total_users_for_query ) ),
+ number_format_i18n( $this->total_users_for_query ),
+ $this->paging_text
+ );
+ }
+ }
+ }
+
+ /**
+ * {@internal Missing Short Description}}
+ *
+ * {@internal Missing Long Description}}
+ *
+ * @since unknown
+ * @access public
+ *
+ * @return unknown
+ */
+ function get_results() {
+ return (array) $this->results;
+ }
+
+ /**
+ * Displaying paging text.
+ *
+ * @see do_paging() Builds paging text.
+ *
+ * @since unknown
+ * @access public
+ */
+ function page_links() {
+ echo $this->paging_text;
+ }
+
+ /**
+ * Whether paging is enabled.
+ *
+ * @see do_paging() Builds paging text.
+ *
+ * @since unknown
+ * @access public
+ *
+ * @return bool
+ */
+ function results_are_paged() {
+ if ( $this->paging_text )
+ return true;
+ return false;
+ }
+
+ /**
+ * Whether there are search terms.
+ *
+ * @since unknown
+ * @access public
+ *
+ * @return bool
+ */
+ function is_search() {
+ if ( $this->search_term )
+ return true;
+ return false;
+ }
+}
+endif;
+
+add_action('admin_init', 'default_password_nag_handler');
+function default_password_nag_handler($errors = false) {
+ global $user_ID;
+ if ( ! get_user_option('default_password_nag') ) //Short circuit it.
+ return;
+
+ //get_user_setting = JS saved UI setting. else no-js-falback code.
+ if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) {
+ delete_user_setting('default_password_nag');
+ update_user_option($user_ID, 'default_password_nag', false, true);
+ }
+}
+
+add_action('profile_update', 'default_password_nag_edit_user', 10, 2);
+function default_password_nag_edit_user($user_ID, $old_data) {
+ if ( ! get_user_option('default_password_nag', $user_ID) ) //Short circuit it.
+ return;
+
+ $new_data = get_userdata($user_ID);
+
+ if ( $new_data->user_pass != $old_data->user_pass ) { //Remove the nag if the password has been changed.
+ delete_user_setting('default_password_nag', $user_ID);
+ update_user_option($user_ID, 'default_password_nag', false, true);
+ }
+}
+
+add_action('admin_notices', 'default_password_nag');
+function default_password_nag() {
+ if ( ! get_user_option('default_password_nag') ) //Short circuit it.
+ return;
+
+ echo '<div class="error default-password-nag">';
+ echo '<p>';
+ echo '<strong>' . __('Notice:') . '</strong> ';
+ _e('You’re using the auto-generated password for your account. Would you like to change it to something you’ll remember easier?');
+ echo '</p><p>';
+ printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', admin_url('profile.php') . '#password' );
+ printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' );
+ echo '</p></div>';
+}
+
+?>