<?php
/* Description :
[[calculer un délai entre deux dates]] p.ex. pour afficher une information x avant la date y puis une information z
Auteur : Fred Radeff
Url : http://www.akademia.ch 
keyword: maketime, strtotime, time, date, délai
*/
 
#petite fonction pour transformer les seconde en h:m:s
  function sec2hms ($sec, $padHours = false) //source: http://www.laughing-buddha.net/jon/php/sec2hms/
  {
 
    // holds formatted string
    $hms = "";
 
    // there are 3600 seconds in an hour, so if we
    // divide total seconds by 3600 and throw away
    // the remainder, we've got the number of hours
    $hours = intval(intval($sec) / 3600); 
 
    // add to $hms, with a leading 0 if asked for
    $hms .= ($padHours) 
          ? str_pad($hours, 2, "0", STR_PAD_LEFT). ':'
          : $hours. ':';
 
    // dividing the total seconds by 60 will give us
    // the number of minutes, but we're interested in 
    // minutes past the hour: to get that, we need to 
    // divide by 60 again and keep the remainder
    $minutes = intval(($sec / 60) % 60); 
 
    // then add to $hms (with a leading 0 if needed)
    $hms .= str_pad($minutes, 2, "0", STR_PAD_LEFT). ':';
 
    // seconds are simple - just divide the total
    // seconds by 60 and keep the remainder
    $seconds = intval($sec % 60); 
 
    // add to $hms, again with a leading 0 if needed
    $hms .= str_pad($seconds, 2, "0", STR_PAD_LEFT);
 
    // done!
    return $hms;
 
  }
 
$aujourdhui=date("U", mktime());
$delai = mktime(0,0,0,3,1,2009); //March 1, 2009
$tempsrestant=$delai-$aujourdhui;
echo "<pre>";
echo "Délai: " .date("d-m-Y H:i", $delai) ."\n";
echo "Maintenant: " .date("d-m-Y H:i", $aujourdhui) ."\n";
echo " Différence: " .$tempsrestant ." secondes\n\n"; 
if($tempsrestant<0) {
echo "Délai dépassé";
} else {
echo "Délai courant, il vous reste " .sec2hms($tempsrestant) ." h:m:s";
}
echo "</pre>";
 
 
?>