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nice time duration in php

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a flexible function for making time periods readable

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  1. /**
  2.  * A function for making time periods readable
  3.  *
  4.  * @author      Aidan Lister <[email protected]>
  5.  * @version     2.0.1
  6.  * @link        http://aidanlister.com/2004/04/making-time-periods-readable/
  7.  * @param       int     number of seconds elapsed
  8.  * @param       string  which time periods to display
  9.  * @param       bool    whether to show zero time periods
  10.  */
  11. function time_duration($seconds, $use = null, $zeros = false)
  12. {
  13.     // Define time periods
  14.     $periods = array (
  15.         'years'     => 31556926,
  16.         'Months'    => 2629743,
  17.         'weeks'     => 604800,
  18.         'days'      => 86400,
  19.         'hours'     => 3600,
  20.         'minutes'   => 60,
  21.         'seconds'   => 1
  22.         );
  23.  
  24.     // Break into periods
  25.     $seconds = (float) $seconds;
  26.     $segments = array();
  27.     foreach ($periods as $period => $value) {
  28.         if ($use && strpos($use, $period[0]) === false) {
  29.             continue;
  30.         }
  31.         $count = floor($seconds / $value);
  32.         if ($count == 0 && !$zeros) {
  33.             continue;
  34.         }
  35.         $segments[strtolower($period)] = $count;
  36.         $seconds = $seconds % $value;
  37.     }
  38.  
  39.     // Build the string
  40.     $string = array();
  41.     foreach ($segments as $key => $value) {
  42.         $segment_name = substr($key, 0, -1);
  43.         $segment = $value . ' ' . $segment_name;
  44.         if ($value != 1) {
  45.             $segment .= 's';
  46.         }
  47.         $string[] = $segment;
  48.     }
  49.  
  50.     return implode(', ', $string);
  51. }

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