mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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6460f6e83f
git-svn-id: https://svn.cakephp.org/repo/trunk/cake@342 3807eeeb-6ff5-0310-8944-8be069107fe0
217 lines
No EOL
7 KiB
PHP
217 lines
No EOL
7 KiB
PHP
<?php
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//////////////////////////////////////////////////////////////////////////
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// + $Id$
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// +------------------------------------------------------------------+ //
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// + Cake PHP : Rapid Development Framework <http://www.cakephp.org/> + //
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// + Copyright: (c) 2005, CakePHP Authors/Developers + //
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// + Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com> + //
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// + Larry E. Masters aka PhpNut <nut@phpnut.com> + //
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// + Kamil Dzielinski aka Brego <brego.dk@gmail.com> + //
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// +------------------------------------------------------------------+ //
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// + Licensed under The MIT License + //
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// + Redistributions of files must retain the above copyright notice. + //
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// + See: http://www.opensource.org/licenses/mit-license.php + //
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//////////////////////////////////////////////////////////////////////////
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/**
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* Purpose: Time
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* Time related functions, formatting for dates etc.
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*
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* @filesource
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* @author CakePHP Authors/Developers
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* @copyright Copyright (c) 2005, CakePHP Authors/Developers
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* @link https://trac.cakephp.org/wiki/Authors Authors/Developers
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* @package cake
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* @subpackage cake.libs
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* @since CakePHP v 0.2.9
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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uses ('object');
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/**
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* Time related functions, formatting for dates etc.
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*
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* @package cake
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* @subpackage cake.libs
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* @since CakePHP v 0.2.9
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*
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*/
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class Time extends Object {
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/**
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* Returns a formatted date string for given Datetime string.
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*
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* @param string $date_string Datetime string
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* @return string Formatted date string
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*/
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function nice ($date_string=null) {
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$date = $date_string? strtotime($date_string): time();
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return date("D, M jS Y, H:i", $date);
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}
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/**
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* Returns a formatted descriptive date string for given datetime string.
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* If the given date is today, the returned string could be "Today, 16:54".
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* If the given date was yesterday, the returned string could be "Yesterday, 16:54".
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* If $date_string's year is the current year, the returned string does not
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* include mention of the year.
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*
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* @param string $date_string Datetime string
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* @return string Described, relative date string
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*/
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function niceShort ($date_string=null) {
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$date = $date_string? Time::fromString($date_string): time();
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$y = Time::isThisYear($date)? '': ' Y';
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if (Time::isToday($date))
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return "Today, ".date("H:i", $date);
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elseif (Time::wasYesterday($date))
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return "Yesterday, ".date("H:i", $date);
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else
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return date("M jS{$y}, H:i", $date);
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}
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/**
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* Returns true if given datetime string is today.
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*
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* @param string $date Datetime string
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* @return boolean True if datetime string is today
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*/
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function isToday ($date) {
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return date('Y-m-d', $date) == date('Y-m-d', time());
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}
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function daysAsSql ($begin, $end, $field_name)
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{
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$begin = date('Y-m-d', $begin).' 00:00:00';
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$end = date('Y-m-d', $end). ' 23:59:59';
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return "($field_name >= '$begin') AND ($field_name <= '$end')";
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}
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function dayAsSql ($date, $field_name)
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{
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return Time::daysAsSql($date, $date, $field_name);
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}
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/**
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* Returns true if given datetime string is within current year.
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*
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* @param string $date Datetime string
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* @return boolean True if datetime string is within current year
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*/
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function isThisYear ($date) {
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return date('Y', $date) == date('Y', time());
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}
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/**
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* Returns true if given datetime string was yesterday.
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*
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* @param string $date Datetime string
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* @return boolean True if datetime string was yesterday
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*/
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function wasYesterday ($date) {
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return date('Y-m-d', $date) == date('Y-m-d', strtotime('yesterday'));
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}
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/**
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* Returns a Unix timestamp from a textual datetime description. Wrapper for PHP function strtotime().
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*
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* @param string $date_string Datetime string to be represented as a Unix timestamp
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* @return int Unix timestamp
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*/
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function fromString ($date_string) {
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return strtotime($date_string);
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}
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/**
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* Returns a date formatted for Atom RSS feeds.
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*
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* @param string $date Datetime string
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* @return string Formatted date string
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*/
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function toAtom ($date) {
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return date('Y-m-d\TH:i:s\Z', $date);
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}
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/**
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* Formats date for RSS feeds
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*
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* @param datetime $date Datetime string
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* @return string Formatted date string
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*/
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function toRSS ($date) {
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return date('D, d M Y H:i:s O', $date);
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}
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/**
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* Returns either a relative date or a formatted date depending
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* on the difference between the current time and given datetime.
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* $datetime should be in a <i>strtotime</i>-parsable format like MySQL datetime.
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*
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* Relative dates look something like this:
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* 3 weeks, 4 days ago
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* 15 seconds ago
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* Formatted dates look like this:
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* on 02/18/2004
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*
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* The returned string includes 'ago' or 'on' and assumes you'll properly add a word
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* like 'Posted ' before the function output.
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*
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* @param $datetime Time in strtotime-parsable format
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* @return string Relative time string.
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*/
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function timeAgoInWords ($datetime)
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{
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$in_seconds=strtotime($datetime);
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$diff = time()-$in_seconds;
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$months = floor($diff/2419200);
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$diff -= $months*2419200;
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$weeks = floor($diff/604800);
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$diff -= $weeks*604800;
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$days = floor($diff/86400);
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$diff -= $days*86400;
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$hours = floor($diff/3600);
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$diff -= $hours*3600;
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$minutes = floor($diff/60);
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$diff -= $minutes*60;
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$seconds = $diff;
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if ($months>0) {
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// over a month old, just show date (mm/dd/yyyy format)
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return 'on '.date("j/n/Y", $in_seconds);
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} else {
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$relative_date='';
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if ($weeks>0) {
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// weeks and days
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$relative_date .= ($relative_date?', ':'').$weeks.' week'.($weeks>1?'s':'');
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$relative_date .= $days>0?($relative_date?', ':'').$days.' day'.($days>1?'s':''):'';
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} elseif ($days>0) {
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// days and hours
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$relative_date .= ($relative_date?', ':'').$days.' day'.($days>1?'s':'');
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$relative_date .= $hours>0?($relative_date?', ':'').$hours.' hour'.($hours>1?'s':''):'';
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} elseif ($hours>0) {
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// hours and minutes
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$relative_date .= ($relative_date?', ':'').$hours.' hour'.($hours>1?'s':'');
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$relative_date .= $minutes>0?($relative_date?', ':'').$minutes.' minute'.($minutes>1?'s':''):'';
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} elseif ($minutes>0) {
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// minutes only
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$relative_date .= ($relative_date?', ':'').$minutes.' minute'.($minutes>1?'s':'');
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} else {
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// seconds only
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$relative_date .= ($relative_date?', ':'').$seconds.' second'.($seconds>1?'s':'');
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}
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}
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// show relative date and add proper verbiage
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return $relative_date.' ago';
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}
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}
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?>
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