php 把秒数转换为时长(h:i:s格式)

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/**  *      把秒数转换为时分秒的格式  *      @param Int $times 时间，单位 秒  *      @return String  */  function secToTime($times){          $result = '00:00:00';          if ($times>0) {                  $hour = floor($times/3600);                  $minute = floor(($times-3600 * $hour)/60);                  $second = floor((($times-3600 * $hour) - 60 * $minute) % 60);                  $result = $hour.':'.$minute.':'.$second;          }          return $result;  }