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<?php
 
class Zend_View_Helper_Relativetime 
{
  public function relativetime($unixtime, $accuracy = 2, $splitter = ', ')  {
    if (time() > $unixtime)
    {
      $unixtime = time() - $unixtime;
    }    else
    {
      $unixtime = $unixtime - time();
    }
     $mt = new Zend_Measure_Time($unixtime);
    $units = $mt->getConversionList();
 
    $tr = Zend_Registry::get('Zend_Translate');
     $chunks = array(
      Zend_Measure_Time::YEAR,
      Zend_Measure_Time::WEEK,
      Zend_Measure_Time::DAY,
      Zend_Measure_Time::HOUR,      Zend_Measure_Time::MINUTE,
      Zend_Measure_Time::SECOND
    );
 
    $translations = array(      'year' => array($tr->_('year'), $tr->_('years')),
      'week' => array($tr->_('week'), $tr->_('weeks')),
      'day' => array($tr->_('day'), $tr->_('days')),
      'h' => array($tr->_('hour'), $tr->_('hours')),
      'min' => array($tr->_('minute'), $tr->_('minutes')),      's' => array($tr->_('second'), $tr->_('seconds'))
    );
 
    $measure = array();
     for($i=0; $i < count($chunks); $i++)
    {
      $chunk_seconds = $units[$chunks[$i]][0];
 
      if ($unixtime >= $chunk_seconds)      {
        $measure[$units[$chunks[$i]][1]] = floor($unixtime / $chunk_seconds);
        $unixtime %= $chunk_seconds;
      }
    }    
    $measure = array_slice($measure, 0, $accuracy, true);
    
    $str = '';
    foreach($measure as $key => $val)    {
      $unit = $translations[$key];
 
      if($val == 1)
      {        $unit = $unit[0];
      }
      else
      {
        $unit = $unit[1];      }
 
      $str .= $val . ' ' . $unit . $splitter;
    }
     return substr($str, 0, 0 - strlen($splitter));
 
  }
}