View file File name : usermeta.php Content :<?php if (!defined('WPO_VERSION')) die('No direct access allowed'); class WP_Optimization_usermeta extends WP_Optimization { public $ui_sort_order = 8001; public $available_for_auto = true; public $available_for_saving = true; public $auto_default = false; /** * Prepare data for preview widget. * * @param array $params * * @return array */ public function preview($params) { // get data requested for preview. $sql = $this->wpdb->prepare( "SELECT um.* FROM `" . $this->wpdb->usermeta . "` um". " LEFT JOIN `" . $this->wpdb->users . "` wu ON wu.ID = um.user_id". " WHERE wu.ID IS NULL". " ORDER BY um.umeta_id LIMIT %d, %d;", array( $params['offset'], $params['limit'], ) ); $users = $this->wpdb->get_results($sql, ARRAY_A); // get total count user meta for optimization. $sql = "SELECT COUNT(*) FROM `" . $this->wpdb->usermeta . "` um LEFT JOIN `" . $this->wpdb->users . "` wu ON wu.ID = um.user_id WHERE wu.ID IS NULL;"; $total = $this->wpdb->get_var($sql); return array( 'id_key' => 'umeta_id', 'columns' => array( 'umeta_id' => __('ID', 'wp-optimize'), 'user_id' => __('User ID', 'wp-optimize'), 'meta_key' => __('Meta Key', 'wp-optimize'), 'meta_value' => __('Meta Value', 'wp-optimize'), ), 'offset' => $params['offset'], 'limit' => $params['limit'], 'total' => $total, 'data' => $this->htmlentities_array($users, array('ID')), 'message' => $total > 0 ? '' : __('No orphaned user meta data in your database', 'wp-optimize'), ); } /** * Do actions after optimize() function. */ public function after_optimize() { $message = sprintf(_n('%s orphaned user meta data deleted', '%s orphaned user meta data deleted', $this->processed_count, 'wp-optimize'), number_format_i18n($this->processed_count)); if ($this->is_multisite_mode()) { $message .= ' ' . sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids)); } $this->logger->info($message); $this->register_output($message); } /** * Do optimization. */ public function optimize() { $clean = "DELETE um FROM `" . $this->wpdb->usermeta . "` um LEFT JOIN `" . $this->wpdb->users . "` wu ON wu.ID = um.user_id WHERE wu.ID IS NULL"; // if posted ids in params, then remove only selected items. used by preview widget. if (isset($this->data['ids'])) { $clean .= ' AND um.umeta_id in ('.join(',', $this->data['ids']).')'; } $clean .= ";"; $usermeta = $this->query($clean); $this->processed_count += $usermeta; } /** * Do actions after get_info() function. */ public function after_get_info() { if ($this->found_count) { $message = sprintf(_n('%s orphaned user meta data in your database', '%s orphaned user meta data in your database', $this->found_count, 'wp-optimize'), number_format_i18n($this->found_count)); } else { $message = __('No orphaned user meta data in your database', 'wp-optimize'); } if ($this->is_multisite_mode()) { $message .= ' ' . sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids)); } // add preview link to message. if ($this->found_count > 0) { $message = $this->get_preview_link($message); } $this->register_output($message); } /** * Get count of unoptimized items. */ public function get_info() { $sql = "SELECT COUNT(*) FROM `" . $this->wpdb->usermeta . "` um LEFT JOIN `" . $this->wpdb->users . "` wu ON wu.ID = um.user_id WHERE wu.ID IS NULL;"; $usermeta = $this->wpdb->get_var($sql); $this->found_count += $usermeta; } /** * Get settings label. */ public function settings_label() { return __('Clean user meta data', 'wp-optimize'); } /** * Get auto option description. */ public function get_auto_option_description() { return __('Remove orphaned user meta', 'wp-optimize'); } }