<?php
class ClassTime {
  public function __construct(){}
  public function __destruct(){}
  
  public function decimalToHHMM($dec){
    $h = intval($dec);
    $m = round((((($dec - $h) / 100.0) * 60.0) * 100), 0);
    if($m=60){
      $h++;
      $m = 0;
    }
    $retval = sprintf("%02d:%02d", $h, $m);
    return $retval;
  }
  
}