/** * @return array */ function get_required_rules() { $rewrite_rules = array(); if ($this->_config->get_string('minify.engine') == 'file') { $minify_rules_cache_path = w3_get_minify_rules_cache_path(); $rewrite_rules[] = array('filename' => $minify_rules_cache_path, 'content' => $this->generate_rules_cache()); } $minify_rules_core_path = w3_get_minify_rules_core_path(); $rewrite_rules[] = array('filename' => $minify_rules_core_path, 'content' => $this->generate_rules_core()); return $rewrite_rules; }
/** * Removes Page Cache core directives * * @param SelfTestExceptions $exs * @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials * @throws FileOperationException */ private function rules_core_remove($exs) { // no need to remove rules for apache - its in cache .htaccess file if (!w3_is_nginx()) { return; } w3_remove_rules($exs, w3_get_minify_rules_core_path(), W3TC_MARKER_BEGIN_MINIFY_CORE, W3TC_MARKER_END_MINIFY_CORE); }
/** * Send support request action * * @return void */ function action_support_request() { w3_require_once(W3TC_LIB_W3_DIR . '/Request.php'); $request_type = W3_Request::get_string('request_type'); $payment = W3_Request::get_boolean('payment'); $request_id = W3_Request::get_string('request_id'); $url = W3_Request::get_string('url'); $name = W3_Request::get_string('name'); $email = W3_Request::get_string('email'); $twitter = W3_Request::get_string('twitter'); $phone = W3_Request::get_string('phone'); $subject = W3_Request::get_string('subject'); $description = W3_Request::get_string('description'); $templates = W3_Request::get_array('templates'); $forum_url = W3_Request::get_string('forum_url'); $wp_login = W3_Request::get_string('wp_login'); $wp_password = W3_Request::get_string('wp_password'); $ftp_host = W3_Request::get_string('ftp_host'); $ftp_login = W3_Request::get_string('ftp_login'); $ftp_password = W3_Request::get_string('ftp_password'); $subscribe_releases = W3_Request::get_string('subscribe_releases'); $subscribe_customer = W3_Request::get_string('subscribe_customer'); $params = array('request_type' => $request_type, 'payment' => $payment, 'url' => $url, 'name' => $name, 'email' => $email, 'twitter' => $twitter, 'phone' => $phone, 'subject' => $subject, 'description' => $description, 'forum_url' => $forum_url, 'wp_login' => $wp_login, 'wp_password' => $wp_password, 'ftp_host' => $ftp_host, 'ftp_login' => $ftp_login, 'ftp_password' => $ftp_password, 'subscribe_releases' => $subscribe_releases, 'subscribe_customer' => $subscribe_customer); $post = $params; foreach ($templates as $template_index => $template) { $template_key = sprintf('templates[%d]', $template_index); $params[$template_key] = $template; } if (!isset($this->_request_types[$request_type])) { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_type')), false); } $required = array('bug_report' => 'url,name,email,subject,description', 'new_feature' => 'url,name,email,subject,description', 'email_support' => 'url,name,email,subject,description', 'phone_support' => 'url,name,email,subject,description,phone', 'plugin_config' => 'url,name,email,subject,description,wp_login,wp_password', 'theme_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password', 'linux_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password'); if (strstr($required[$request_type], 'url') !== false && $url == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_url')), false); } if (strstr($required[$request_type], 'name') !== false && $name == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_name')), false); } if (strstr($required[$request_type], 'email') !== false && !preg_match('~^[a-z0-9_\\-\\.]+@[a-z0-9-\\.]+\\.[a-z]{2,5}$~', $email)) { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_email')), false); } if (strstr($required[$request_type], 'phone') !== false && !preg_match('~^[0-9\\-\\.\\ \\(\\)\\+]+$~', $phone)) { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_phone')), false); } if (strstr($required[$request_type], 'subject') !== false && $subject == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_subject')), false); } if (strstr($required[$request_type], 'description') !== false && $description == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_description')), false); } if (strstr($required[$request_type], 'wp_login') !== false && $wp_login == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_login')), false); } if (strstr($required[$request_type], 'wp_password') !== false && $wp_password == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_password')), false); } if (strstr($required[$request_type], 'ftp_host') !== false && $ftp_host == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_host')), false); } if (strstr($required[$request_type], 'ftp_login') !== false && $ftp_login == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_login')), false); } if (strstr($required[$request_type], 'ftp_password') !== false && $ftp_password == '') { w3_admin_redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_password')), false); } /** * Add attachments */ $attachments = array(); $attach_files = array(w3_get_wp_config_path(), w3_cache_blog_dir('log') . '/minify.log', w3_get_pgcache_rules_core_path(), w3_get_pgcache_rules_cache_path(), w3_get_browsercache_rules_cache_path(), w3_get_browsercache_rules_no404wp_path(), w3_get_minify_rules_core_path(), w3_get_minify_rules_cache_path()); /** * Attach config files */ if ($handle = opendir(W3TC_CONFIG_DIR)) { while (($entry = @readdir($handle)) !== false) { if ($entry == '.' || $entry == '..' || $entry == 'index.html') { continue; } $attachments[] = W3TC_CONFIG_DIR . '/' . $entry; } closedir($handle); } foreach ($attach_files as $attach_file) { if ($attach_file && file_exists($attach_file) && !in_array($attach_file, $attachments)) { $attachments[] = $attach_file; } } /** * Attach server info */ $server_info = print_r($this->get_server_info(), true); $server_info = str_replace("\n", "\r\n", $server_info); $server_info_path = W3TC_CACHE_TMP_DIR . '/server_info.txt'; if (@file_put_contents($server_info_path, $server_info)) { $attachments[] = $server_info_path; } /** * Attach phpinfo */ ob_start(); phpinfo(); $php_info = ob_get_contents(); ob_end_clean(); $php_info_path = W3TC_CACHE_TMP_DIR . '/php_info.html'; if (@file_put_contents($php_info_path, $php_info)) { $attachments[] = $php_info_path; } /** * Attach self-test */ ob_start(); $this->action_self_test(); $self_test = ob_get_contents(); ob_end_clean(); $self_test_path = W3TC_CACHE_TMP_DIR . '/self_test.html'; if (@file_put_contents($self_test_path, $self_test)) { $attachments[] = $self_test_path; } /** * Attach templates */ foreach ($templates as $template) { if (!empty($template)) { $attachments[] = $template; } } /** * Attach other files */ if (!empty($_FILES['files'])) { $files = (array) $_FILES['files']; for ($i = 0, $l = count($files); $i < $l; $i++) { if (isset($files['tmp_name'][$i]) && isset($files['name'][$i]) && isset($files['error'][$i]) && $files['error'][$i] == UPLOAD_ERR_OK) { $path = W3TC_CACHE_TMP_DIR . '/' . $files['name'][$i]; if (@move_uploaded_file($files['tmp_name'][$i], $path)) { $attachments[] = $path; } } } } $data = array(); if (!empty($wp_login) && !empty($wp_password)) { $data['WP Admin login'] = $wp_login; $data['WP Admin password'] = $wp_password; } if (!empty($ftp_host) && !empty($ftp_login) && !empty($ftp_password)) { $data['SSH / FTP host'] = $ftp_host; $data['SSH / FTP login'] = $ftp_login; $data['SSH / FTP password'] = $ftp_password; } /** * Store request data for future access */ if (count($data)) { $hash = md5(microtime()); $request_data = get_option('w3tc_request_data', array()); $request_data[$hash] = $data; update_option('w3tc_request_data', $request_data); $request_data_url = sprintf('%s/w3tc_request_data/%s', w3_get_home_url(), $hash); } else { $request_data_url = ''; } $nonce = wp_create_nonce('w3tc_support_request'); if (is_network_admin()) { update_site_option('w3tc_support_request', $nonce); } else { update_option('w3tc_support_request', $nonce); } $file_access = WP_PLUGIN_URL . '/' . dirname(W3TC_FILE) . '/pub/files.php'; if (w3_get_domain(w3_get_home_url()) != w3_get_domain(w3_get_site_url())) { $file_access = str_replace(w3_get_domain(w3_get_home_url()), w3_get_domain(w3_get_site_url()), $file_access); } $post['file_access'] = $file_access; $post['nonce'] = $nonce; $post['request_data_url'] = $request_data_url; $post['ip'] = $_SERVER['REMOTE_ADDR']; $post['user_agent'] = $_SERVER['HTTP_USER_AGENT']; $post['version'] = W3TC_VERSION; $post['plugin'] = 'W3 Total Cache'; $post['request_id'] = $request_id; $license_level = 'community'; if (w3_is_pro($this->_config)) { $license_level = 'pro'; } elseif (w3_is_enterprise($this->_config)) { $license_level = 'enterprise'; } $post['license_level'] = $license_level; $unset = array('wp_login', 'wp_password', 'ftp_host', 'ftp_login', 'ftp_password'); foreach ($unset as $key) { unset($post[$key]); } foreach ($attachments as $attachment) { if (is_network_admin()) { update_site_option('attachment_' . md5($attachment), $attachment); } else { update_option('attachment_' . md5($attachment), $attachment); } } $post = array_merge($post, array('files' => $attachments)); if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) { $data = sprintf("[%s] Post support request\n", date('r')); foreach ($post as $key => $value) { $data .= sprintf("%s => %s\n", $key, is_array($value) ? implode(',', $value) : $value); } $filename = w3_cache_blog_dir('log') . '/support.log'; if (!is_dir(dirname($filename))) { w3_mkdir_from(dirname($filename), W3TC_CACHE_DIR); } @file_put_contents($filename, $data, FILE_APPEND); } $response = wp_remote_post(W3TC_SUPPORT_REQUEST_URL, array('body' => $post, 'timeout' => $this->_config->get_integer('timelimit.email_send'))); if (defined('W3_SUPPORT_DEBUG') && W3_SUPPORT_DEBUG) { $filename = w3_cache_blog_dir('log') . '/support.log'; $data = sprintf("[%s] Post response \n%s\n", date('r'), print_r($response, true)); @file_put_contents($filename, $data, FILE_APPEND); } if (!is_wp_error($response)) { $result = $response['response']['code'] == 200 && $response['body'] == 'Ok'; } else { $result = false; } /** * Remove temporary files */ foreach ($attachments as $attachment) { if (strstr($attachment, W3TC_CACHE_TMP_DIR) !== false) { @unlink($attachment); } if (is_network_admin()) { delete_site_option('attachment_' . md5($attachment)); } else { delete_option('attachment_' . md5($attachment)); } } if (is_network_admin()) { delete_site_option('w3tc_support_request'); } else { delete_option('w3tc_support_request'); } if ($result) { w3_admin_redirect(array('tab' => 'general', 'w3tc_note' => 'support_request'), false); } else { w3_admin_redirect(array_merge($params, array('request_type' => $request_type, 'w3tc_error' => 'support_request')), false); } }
/** * Returns true if we can modify rules * * @param string $path * @return boolean */ function w3_can_modify_rules($path) { if (w3_is_network()) { if (w3_is_apache()) { switch ($path) { case w3_get_pgcache_rules_cache_path(): case w3_get_minify_rules_core_path(): case w3_get_minify_rules_cache_path(): return true; } } return false; } return true; }
/** * Check if legacy rules exists * * @return boolean */ function check_rules_legacy() { $path = w3_get_minify_rules_core_path(); return ($data = @file_get_contents($path)) && w3_has_rules(w3_clean_rules($data), W3TC_MARKER_BEGIN_MINIFY_LEGACY, W3TC_MARKER_END_MINIFY_LEGACY); }
/** * Send support request * * @return void */ function support_request() { require_once W3TC_LIB_W3_DIR . '/Request.php'; $request_type = W3_Request::get_string('request_type'); $payment = W3_Request::get_boolean('payment'); $request_id = W3_Request::get_string('request_id'); $url = W3_Request::get_string('url'); $name = W3_Request::get_string('name'); $email = W3_Request::get_string('email'); $twitter = W3_Request::get_string('twitter'); $phone = W3_Request::get_string('phone'); $subject = W3_Request::get_string('subject'); $description = W3_Request::get_string('description'); $templates = W3_Request::get_array('templates'); $forum_url = W3_Request::get_string('forum_url'); $wp_login = W3_Request::get_string('wp_login'); $wp_password = W3_Request::get_string('wp_password'); $ftp_host = W3_Request::get_string('ftp_host'); $ftp_login = W3_Request::get_string('ftp_login'); $ftp_password = W3_Request::get_string('ftp_password'); $params = array('request_type' => $request_type, 'payment' => $payment, 'url' => $url, 'name' => $name, 'email' => $email, 'twitter' => $twitter, 'phone' => $phone, 'subject' => $subject, 'description' => $description, 'forum_url' => $forum_url, 'wp_login' => $wp_login, 'wp_password' => $wp_password, 'ftp_host' => $ftp_host, 'ftp_login' => $ftp_login, 'ftp_password' => $ftp_password); foreach ($templates as $template_index => $template) { $template_key = sprintf('templates[%d]', $template_index); $params[$template_key] = $template; } if (!isset($this->_request_types[$request_type])) { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_type'))); } $required = array('bug_report' => 'url,name,email,subject,description', 'new_feature' => 'url,name,email,subject,description', 'email_support' => 'url,name,email,subject,description', 'phone_support' => 'url,name,email,subject,description,phone', 'plugin_config' => 'url,name,email,subject,description,wp_login,wp_password', 'theme_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password', 'linux_config' => 'url,name,email,subject,description,wp_login,wp_password,ftp_host,ftp_login,ftp_password'); if (strstr($required[$request_type], 'url') !== false && $url == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_url'))); } if (strstr($required[$request_type], 'name') !== false && $name == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_name'))); } if (strstr($required[$request_type], 'email') !== false && !preg_match('~^[a-z0-9_\\-\\.]+@[a-z0-9-\\.]+\\.[a-z]{2,5}$~', $email)) { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_email'))); } if (strstr($required[$request_type], 'phone') !== false && !preg_match('~^[0-9\\-\\.\\ \\(\\)\\+]+$~', $phone)) { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_phone'))); } if (strstr($required[$request_type], 'subject') !== false && $subject == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_subject'))); } if (strstr($required[$request_type], 'description') !== false && $description == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_description'))); } if (strstr($required[$request_type], 'wp_login') !== false && $wp_login == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_login'))); } if (strstr($required[$request_type], 'wp_password') !== false && $wp_password == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_wp_password'))); } if (strstr($required[$request_type], 'ftp_host') !== false && $ftp_host == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_host'))); } if (strstr($required[$request_type], 'ftp_login') !== false && $ftp_login == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_login'))); } if (strstr($required[$request_type], 'ftp_password') !== false && $ftp_password == '') { $this->redirect(array_merge($params, array('w3tc_error' => 'support_request_ftp_password'))); } /** * Add attachments */ $attachments = array(); $attach_files = array(w3_get_wp_config_path(), W3TC_CONFIG_PATH, W3TC_CONFIG_PREVIEW_PATH, W3TC_CONFIG_MASTER_PATH, W3TC_MINIFY_LOG_FILE, w3_get_pgcache_rules_core_path(), w3_get_pgcache_rules_cache_path(), w3_get_browsercache_rules_cache_path(), w3_get_browsercache_rules_no404wp_path(), w3_get_minify_rules_core_path(), w3_get_minify_rules_cache_path()); foreach ($attach_files as $attach_file) { if ($attach_file && file_exists($attach_file) && !in_array($attach_file, $attachments)) { $attachments[] = $attach_file; } } /** * Attach server info */ $server_info = print_r($this->get_server_info(), true); $server_info = str_replace("\n", "\r\n", $server_info); $server_info_path = W3TC_TMP_DIR . '/server_info.txt'; if (@file_put_contents($server_info_path, $server_info)) { $attachments[] = $server_info_path; } /** * Attach phpinfo */ ob_start(); phpinfo(); $php_info = ob_get_contents(); ob_end_clean(); $php_info_path = W3TC_TMP_DIR . '/php_info.html'; if (@file_put_contents($php_info_path, $php_info)) { $attachments[] = $php_info_path; } /** * Attach self-test */ ob_start(); $this->self_test(); $self_test = ob_get_contents(); ob_end_clean(); $self_test_path = W3TC_TMP_DIR . '/self_test.html'; if (@file_put_contents($self_test_path, $self_test)) { $attachments[] = $self_test_path; } /** * Attach templates */ foreach ($templates as $template) { if (!empty($template)) { $attachments[] = $template; } } /** * Attach other files */ if (!empty($_FILES['files'])) { $files = (array) $_FILES['files']; for ($i = 0, $l = count($files); $i < $l; $i++) { if (isset($files['tmp_name'][$i]) && isset($files['name'][$i]) && isset($files['error'][$i]) && $files['error'][$i] == UPLOAD_ERR_OK) { $path = W3TC_TMP_DIR . '/' . $files['name'][$i]; if (@move_uploaded_file($files['tmp_name'][$i], $path)) { $attachments[] = $path; } } } } $data = array(); if (!empty($wp_login) && !empty($wp_password)) { $data['WP Admin login'] = $wp_login; $data['WP Admin password'] = $wp_password; } if (!empty($ftp_host) && !empty($ftp_login) && !empty($ftp_password)) { $data['SSH / FTP host'] = $ftp_host; $data['SSH / FTP login'] = $ftp_login; $data['SSH / FTP password'] = $ftp_password; } /** * Store request data for future access */ if (count($data)) { $hash = md5(microtime()); $request_data = get_option('w3tc_request_data', array()); $request_data[$hash] = $data; update_option('w3tc_request_data', $request_data); $request_data_url = sprintf('%s/w3tc_request_data/%s', w3_get_home_url(), $hash); } else { $request_data_url = null; } /** * Get body contents */ ob_start(); include W3TC_DIR . '/inc/email/support_request.phtml'; $body = ob_get_contents(); ob_end_clean(); /** * Send email */ $subject = sprintf('[W3TC %s] #%s: %s', $this->_request_types[$request_type], $request_id, $subject); $headers = array(sprintf('From: "%s" <%s>', addslashes($name), $email), sprintf('Reply-To: "%s" <%s>', addslashes($name), $email), 'Content-Type: text/html; charset=UTF-8'); $this->_phpmailer_sender = $email; add_action('phpmailer_init', array(&$this, 'phpmailer_init')); @set_time_limit($this->_config->get_integer('timelimit.email_send')); $result = @wp_mail(W3TC_EMAIL, $subject, $body, implode("\n", $headers), $attachments); /** * Remove temporary files */ foreach ($attachments as $attachment) { if (strstr($attachment, W3TC_TMP_DIR) !== false) { @unlink($attachment); } } if ($result) { $this->redirect(array('tab' => 'general', 'w3tc_note' => 'support_request')); } else { $this->redirect(array_merge($params, array('request_type' => $request_type, 'w3tc_error' => 'support_request'))); } }
/** * @return array */ function get_required_rules() { $rewrite_rules = array(); $newrelic_core_path = w3_get_minify_rules_core_path(); $rewrite_rules[] = array('filename' => $newrelic_core_path, 'content' => $this->generate_rules_core()); return $rewrite_rules; }
/** * Write rules * * @return void */ function action_rules_autoinstall() { $commands = explode(',', W3_Request::get_string('autoinstall')); $errors = array(); $notes = array(); foreach ($commands as $command) { try { switch ($command) { case 'browsercache_write_rules_cache': $w3_plugin_browsercache = w3_instance('W3_Plugin_BrowserCacheAdmin'); $w3_plugin_browsercache->write_rules_cache(); if ($w3_plugin_browsercache->check_rules_cache()) { $notes[] = 'Browser cache directives have been successfully written.'; } else { $browsercache_rules_cache_path = w3_get_browsercache_rules_cache_path(); $errors[] = sprintf('The browser cache rules could not be modified. Please %srun <strong>chmod 777 %s</strong> to resolve this issue.', file_exists($browsercache_rules_cache_path) ? '' : sprintf('create an empty file in <strong>%s</strong> and ', $browsercache_rules_cache_path), $browsercache_rules_cache_path); } break; case 'minify_remove_rules_legacy': $w3_plugin_minify = w3_instance('W3_Plugin_MinifyAdmin'); if ($w3_plugin_minify->remove_rules_legacy()) { $notes[] = 'Legacy minify configuration settings have been successfuly removed.'; } else { $minify_rules_cache_path = w3_get_minify_rules_cache_path(); $errors[] = sprintf('The legacy minify rules could not be modified. Please run <strong>chmod 777 %s</strong> to resolve this issue.', file_exists($minify_rules_cache_path) ? $minify_rules_cache_path : dirname($minify_rules_cache_path)); } break; case 'minify_write_rules': $w3_plugin_minify = w3_instance('W3_Plugin_MinifyAdmin'); $w3_plugin_minify->write_rules_cache(); // throw exceptions if ($w3_plugin_minify->write_rules_core()) { $notes[] = 'Minify rewrite rules have been successfully written.'; } else { $minify_rules_core_path = w3_get_minify_rules_core_path(); $errors[] = sprintf('The minify rules could not be modified. Please run <strong>chmod 777 %s</strong> to resolve this issue.', file_exists($minify_rules_core_path) ? $minify_rules_core_path : dirname($minify_rules_core_path)); } break; case 'minify_write_test_rules': $w3_plugin_minify = w3_instance('W3_Plugin_MinifyAdmin'); $w3_plugin_minify->write_multiste_subfolder_rewrite_test_rules_apache(); if ($w3_plugin_minify->check_multisite_subfolder_test_rules_cache_apache()) { $notes[] = 'Minify test rewrite rules have been successfully written.'; } else { $minify_test_rules_path = w3_get_document_root() . '/.htaccess'; $errors[] = sprintf('The minify test rules could not be modified. Please run <strong>chmod 777 %s</strong> to resolve this issue.', $minify_test_rules_path); } break; case 'pgcache_remove_rules_legacy': $w3_plugin_pgcache = w3_instance('W3_Plugin_PgCacheAdmin'); if ($w3_plugin_pgcache->remove_rules_legacy()) { $notes[] = 'Legacy page cache configuration settings have been successfully removed.'; } else { $pgcache_rules_cache_path = w3_get_pgcache_rules_cache_path(); $errors[] = sprintf('The legacy page cache rules could not be removed. Please run <strong>chmod 777 %s</strong> to resolve this issue.', file_exists($pgcache_rules_cache_path) ? $pgcache_rules_cache_path : dirname($pgcache_rules_cache_path)); } break; case 'pgcache_write_rules_cache': $w3_plugin_pgcache = w3_instance('W3_Plugin_PgCacheAdmin'); $w3_plugin_pgcache->write_rules_cache(); // throw exceptions $notes[] = 'Page cache rewrite rules have been successfully written.'; break; case 'pgcache_write_rules_core': $w3_plugin_pgcache = w3_instance('W3_Plugin_PgCacheAdmin'); $w3_plugin_pgcache->write_rules_core(); if ($w3_plugin_pgcache->check_rules_core()) { $notes[] = 'Page cache rewrite rules have been successfully written.'; } else { $pgcache_rules_core_path = w3_get_pgcache_rules_core_path(); $errors[] = sprintf('The page cache rules could not be modified. Please %srun <strong>chmod 777 %s</strong> to resolve this issue.', file_exists($pgcache_rules_core_path) ? '' : sprintf('create an empty file in <strong>%s</strong> and ', $pgcache_rules_core_path), $pgcache_rules_core_path); } break; } } catch (Exception $e) { $error = $e->getMessage(); // avoid duplicate errors, like absense of permission for wp-content folder if (!in_array($error, $errors)) { $errors[] = $error; } } } $this->redirect_with_custom_messages(array(), $errors, $notes); }