l10n->t('PHP opcache'); } public function getCategory(): string { return 'php'; } /** * Checks whether a PHP OPcache is properly set up * @return array{'warning'|'error',list} The level and the list of OPcache setup recommendations */ protected function getOpcacheSetupRecommendations(): array { $level = 'warning'; // If the module is not loaded, return directly to skip inapplicable checks if (!extension_loaded('Zend OPcache')) { return ['error',[$this->l10n->t('The PHP OPcache module is not loaded. For better performance it is recommended to load it into your PHP installation.')]]; } $recommendations = []; // Check whether Nextcloud is allowed to use the OPcache API $isPermitted = true; $permittedPath = (string)$this->iniGetWrapper->getString('opcache.restrict_api'); if ($permittedPath !== '' && !str_starts_with(\OC::$SERVERROOT, rtrim($permittedPath, '/'))) { $isPermitted = false; } if (!$this->iniGetWrapper->getBool('opcache.enable')) { $recommendations[] = $this->l10n->t('OPcache is disabled. For better performance, it is recommended to apply "opcache.enable=1" to your PHP configuration.'); $level = 'error'; } elseif ($this->iniGetWrapper->getBool('opcache.file_cache_only')) { $recommendations[] = $this->l10n->t('The shared memory based OPcache is disabled. For better performance, it is recommended to apply "opcache.file_cache_only=0" to your PHP configuration and use the file cache as second level cache only.'); } else { // Check whether opcache_get_status has been explicitly disabled an in case skip usage based checks $disabledFunctions = $this->iniGetWrapper->getString('disable_functions'); if (isset($disabledFunctions) && str_contains($disabledFunctions, 'opcache_get_status')) { return [$level, $recommendations]; } $status = opcache_get_status(false); if ($status === false) { $recommendations[] = $this->l10n->t('OPcache is not working as it should, opcache_get_status() returns false, please check configuration.'); $level = 'error'; } // Recommend to raise value, if more than 90% of max value is reached if ( empty($status['opcache_statistics']['max_cached_keys']) || ($status['opcache_statistics']['num_cached_keys'] / $status['opcache_statistics']['max_cached_keys'] > 0.9) ) { $recommendations[] = $this->l10n->t('The maximum number of OPcache keys is nearly exceeded. To assure that all scripts can be kept in the cache, it is recommended to apply "opcache.max_accelerated_files" to your PHP configuration with a value higher than "%s".', [($this->iniGetWrapper->getNumeric('opcache.max_accelerated_files') ?: 'currently')]); } if ( empty($status['memory_usage']['free_memory']) || ($status['memory_usage']['used_memory'] / $status['memory_usage']['free_memory'] > 9) ) { $recommendations[] = $this->l10n->t('The OPcache buffer is nearly full. To assure that all scripts can be hold in cache, it is recommended to apply "opcache.memory_consumption" to your PHP configuration with a value higher than "%s".', [($this->iniGetWrapper->getNumeric('opcache.memory_consumption') ?: 'currently')]); } $interned_strings_buffer = $this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') ?? 0; $memory_consumption = $this->iniGetWrapper->getNumeric('opcache.memory_consumption') ?? 0; if ( // Do not recommend to raise the interned strings buffer size above a quarter of the total OPcache size ($interned_strings_buffer < ($memory_consumption / 4)) && ( empty($status['interned_strings_usage']['free_memory']) || ($status['interned_strings_usage']['used_memory'] / $status['interned_strings_usage']['free_memory'] > 9) ) ) { $recommendations[] = $this->l10n->t('The OPcache interned strings buffer is nearly full. To assure that repeating strings can be effectively cached, it is recommended to apply "opcache.interned_strings_buffer" to your PHP configuration with a value higher than "%s".', [($this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') ?: 'currently')]); } } // Check for saved comments only when OPcache is currently disabled. If it was enabled, opcache.save_comments=0 would break Nextcloud in the first place. if (!$this->iniGetWrapper->getBool('opcache.save_comments')) { $recommendations[] = $this->l10n->t('OPcache is configured to remove code comments. With OPcache enabled, "opcache.save_comments=1" must be set for Nextcloud to function.'); $level = 'error'; } if (!$isPermitted) { $recommendations[] = $this->l10n->t('Nextcloud is not allowed to use the OPcache API. With OPcache enabled, it is highly recommended to include all Nextcloud directories with "opcache.restrict_api" or unset this setting to disable OPcache API restrictions, to prevent errors during Nextcloud core or app upgrades.'); $level = 'error'; } return [$level, $recommendations]; } public function run(): SetupResult { [$level,$recommendations] = $this->getOpcacheSetupRecommendations(); if (!empty($recommendations)) { return match($level) { 'error' => SetupResult::error( $this->l10n->t('The PHP OPcache module is not properly configured. %s.', implode("\n", $recommendations)), $this->urlGenerator->linkToDocs('admin-php-opcache') ), default => SetupResult::warning( $this->l10n->t('The PHP OPcache module is not properly configured. %s.', implode("\n", $recommendations)), $this->urlGenerator->linkToDocs('admin-php-opcache') ), }; } else { return SetupResult::success($this->l10n->t('Correctly configured')); } } }