diff options
Diffstat (limited to 'include/datetime.php')
| -rw-r--r-- | include/datetime.php | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/datetime.php b/include/datetime.php index 2182d7c43..89e2876d0 100644 --- a/include/datetime.php +++ b/include/datetime.php @@ -268,6 +268,43 @@ function relative_date($posted_date, $format = null) { return $abs; } +/** + * @brief Returns a relative time string like 3 seconds ago. + * @param string $posted_date (UTC) + * @param DateTime $now (optional) + * @return string with relative time + */ +function relative_time($timestamp, $now = new DateTime()) { + $localtime = datetime_convert('UTC', date_default_timezone_get(), $timestamp); + $time = new DateTime($localtime); + + $interval = $now->diff($time); + + $prefix = ''; + $appendix = ' ' . t('ago'); + + if ($time > $now) { + $prefix = t('in') . ' '; + $appendix = ''; + } + + if ($interval->y > 0) { + return $prefix . $interval->y . ' ' . plural_dates('y', $interval->y) . $appendix; + } elseif ($interval->m > 0) { + return $prefix . $interval->m . ' ' . plural_dates('m', $interval->m) . $appendix; + } elseif ($interval->d > 0) { + return $prefix . $interval->d . ' ' . plural_dates('d', $interval->d) . $appendix; + } elseif ($interval->h > 0) { + return $prefix . $interval->h . ' ' . plural_dates('h', $interval->h) . $appendix; + } elseif ($interval->i > 0) { + return $prefix . $interval->i . ' ' . plural_dates('i', $interval->i) . $appendix; + } elseif ($interval->s > 0) { + return $prefix . $interval->s . ' ' . plural_dates('s', $interval->s) . $appendix; + } else { + return t('now'); + } +} + function plural_dates($k,$n) { switch($k) { |