0) $date->add(new DateInterval('PT'.$tz_offset.'S')); elseif($tz_offset < 0) $date->sub(new DateInterval('PT'.abs($tz_offset).'S')); $tz = ($tz_offset < 0 ? '-' : '+') . sprintf('%02d:%02d', abs($tz_offset/60/60), ($tz_offset/60)%60); return $date->format('F j, Y H:i:s') . ' ' . $tz; } function format_date($date_string, $tz_offset) { if(!$date_string) return ''; $date = new DateTime($date_string); if($tz_offset > 0) $date->add(new DateInterval('PT'.$tz_offset.'S')); elseif($tz_offset < 0) $date->sub(new DateInterval('PT'.abs($tz_offset).'S')); $tz = ($tz_offset < 0 ? '-' : '+') . sprintf('%02d:%02d', abs($tz_offset/60/60), ($tz_offset/60)%60); return $date->format('Y-m-d H:i:s') . ' ' . $tz; } function build_url($parsed_url) { $scheme = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : ''; $host = isset($parsed_url['host']) ? $parsed_url['host'] : ''; $port = isset($parsed_url['port']) ? ':' . $parsed_url['port'] : ''; $user = isset($parsed_url['user']) ? $parsed_url['user'] : ''; $pass = isset($parsed_url['pass']) ? ':' . $parsed_url['pass'] : ''; $pass = ($user || $pass) ? "$pass@" : ''; $path = isset($parsed_url['path']) ? $parsed_url['path'] : ''; $query = isset($parsed_url['query']) ? '?' . $parsed_url['query'] : ''; $fragment = isset($parsed_url['fragment']) ? '#' . $parsed_url['fragment'] : ''; return "$scheme$user$pass$host$port$path$query$fragment"; } // Input: Any URL or string like "aaronparecki.com" // Output: Normlized URL (default to http if no scheme, force "/" path) // or return false if not a valid URL function normalize_url($url) { $me = parse_url($url); if(array_key_exists('path', $me) && $me['path'] == '') return false; // parse_url returns just "path" for naked domains if(count($me) == 1 && array_key_exists('path', $me)) { $me['host'] = $me['path']; unset($me['path']); } if(!array_key_exists('scheme', $me)) $me['scheme'] = 'http'; if(!array_key_exists('path', $me)) $me['path'] = '/'; // Invalid scheme if(!in_array($me['scheme'], array('http','https'))) return false; return build_url($me); } // Checks if a string is a valid URL that we recognize as a PuSH topic or callback. // Must be http or https // If there is no path, '/' is assumed function is_valid_push_url($url) { $url = parse_url($url); if(!array_key_exists('scheme', $url)) return false; if(!in_array($url['scheme'], ['http','https'])) return false; if(!array_key_exists('path', $url)) $url['path'] = '/'; return build_url($url); } function render($page, $data) { global $app; return $app->render('layout.php', array_merge($data, array('page' => $page))); }; function partial($template, $data=array(), $debug=false) { global $app; if($debug) { $tpl = new Savant3(\Slim\Extras\Views\Savant::$savantOptions); echo '

' . $tpl->fetch($template . '.php') . '

'; return ''; } ob_start(); $tpl = new Savant3(\Slim\Extras\Views\Savant::$savantOptions); foreach($data as $k=>$v) { $tpl->{$k} = $v; } $tpl->display($template . '.php'); return ob_get_clean(); } function json_response(&$app, $response) { $app->response()['Content-Type'] = 'application/json'; $app->response()->body(json_encode($response)); } function session($key) { if(array_key_exists($key, $_SESSION)) return $_SESSION[$key]; else return null; } function k($a, $k, $default=null) { if(is_array($k)) { $result = true; foreach($k as $key) { $result = $result && array_key_exists($key, $a); } return $result; } else { if(is_array($a) && array_key_exists($k, $a) && $a[$k]) return $a[$k]; elseif(is_object($a) && property_exists($a, $k) && $a->$k) return $a->$k; else return $default; } } function get_timezone($lat, $lng) { try { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, 'http://timezone-api.geoloqi.com/timezone/'.$lat.'/'.$lng); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $response = curl_exec($ch); $tz = @json_decode($response); if($tz) return new DateTimeZone($tz->timezone); } catch(Exception $e) { return null; } return null; } function micropub_post($endpoint, $params, $access_token, $h='entry') { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $endpoint); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'Authorization: Bearer ' . $access_token )); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array_merge(array( 'h' => $h ), $params))); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HEADER, true); $response = curl_exec($ch); $error = curl_error($ch); return array( 'response' => $response, 'error' => $error, 'curlinfo' => curl_getinfo($ch), 'status' => curl_getinfo($ch, CURLINFO_HTTP_CODE) ); } function relative_time($date) { static $rel; if(!isset($rel)) { $config = array( 'language' => '\RelativeTime\Languages\English', 'separator' => ', ', 'suffix' => true, 'truncate' => 1, ); $rel = new \RelativeTime\RelativeTime($config); } return $rel->timeAgo($date); } function bs() { static $pheanstalk; if(!isset($pheanstalk)) { $pheanstalk = new Pheanstalk\Pheanstalk(Config::$beanstalkServer, Config::$beanstalkPort); } return $pheanstalk; } function pluralize($word, $num) { if($num == 1) { return $word; } else { return $word . 's'; } }