'; } return ''; } function is_rtl(array $item) { return ! empty($item['rtl']) || \PicoFeed\Parser\Parser::isLanguageRTL($item['language']); } function css() { $theme = \Model\Config\get('theme'); if ($theme !== 'original') { $css_file = THEME_DIRECTORY.'/'.$theme.'/css/app.css'; if (file_exists($css_file)) { return $css_file.'?version='.filemtime($css_file); } } return 'assets/css/app.css?version='.filemtime('assets/css/app.css'); } function get_current_base_url() { $url = is_secure_connection() ? 'https://' : 'http://'; $url .= $_SERVER['SERVER_NAME']; $url .= $_SERVER['SERVER_PORT'] == 80 || $_SERVER['SERVER_PORT'] == 443 ? '' : ':'.$_SERVER['SERVER_PORT']; $url .= dirname($_SERVER['PHP_SELF']) !== '/' ? dirname($_SERVER['PHP_SELF']).'/' : '/'; return $url; } function escape($value) { return htmlspecialchars($value, ENT_QUOTES, 'UTF-8', false); } function flash($html) { $data = ''; if (isset($_SESSION['flash_message'])) { $data = sprintf($html, escape($_SESSION['flash_message'])); unset($_SESSION['flash_message']); } return $data; } function flash_error($html) { $data = ''; if (isset($_SESSION['flash_error_message'])) { $data = sprintf($html, escape($_SESSION['flash_error_message'])); unset($_SESSION['flash_error_message']); } return $data; } function format_bytes($size, $precision = 2) { $base = log($size) / log(1024); $suffixes = array('', 'k', 'M', 'G', 'T'); return round(pow(1024, $base - floor($base)), $precision).$suffixes[floor($base)]; } function get_host_from_url($url) { return escape(parse_url($url, PHP_URL_HOST)) ?: $url; } function summary($value, $min_length = 5, $max_length = 120, $end = '[...]') { $length = strlen($value); if ($length > $max_length) { $max = strpos($value, ' ', $max_length); if ($max === false) { $max = $max_length; } return substr($value, 0, $max).' '.$end; } else if ($length < $min_length) { return ''; } return $value; } function in_list($id, array $listing) { if (isset($listing[$id])) { return escape($listing[$id]); } return '?'; } function relative_time($timestamp, $fallback_date_format = '%e %B %Y %k:%M') { $diff = time() - $timestamp; if ($diff < 0) return \dt($fallback_date_format, $timestamp); if ($diff < 60) return \t('%d second ago', $diff); $diff = floor($diff / 60); if ($diff < 60) return \t('%d minute ago', $diff); $diff = floor($diff / 60); if ($diff < 24) return \t('%d hour ago', $diff); $diff = floor($diff / 24); if ($diff < 7) return \t('%d day ago', $diff); $diff = floor($diff / 7); if ($diff < 4) return \t('%d week ago', $diff); $diff = floor($diff / 4); if ($diff < 12) return \t('%d month ago', $diff); return \dt($fallback_date_format, $timestamp); } function error_class(array $errors, $name) { return ! isset($errors[$name]) ? '' : ' form-error'; } function error_list(array $errors, $name) { $html = ''; if (isset($errors[$name])) { $html .= '