<?php
/**
* Function date_in_interval check if the time have a valid interval
*
* I use this to check intervals users can log-in on chat.
* The format of interval is the two-dimensional array:
* array(array interval, array interval), where interval is
* an array, witch first element is the week day (sunday is 0, monday is 1, ...),
* and the second elemnet is the start valid time, and the third element is
* the third valid time.
* The time format is "hh[:mm[:ss]]", you need specify the hour (hh), the
* minute (mm) and second (ss) is optional.
* Third element is optional and set end of time interval. If not specified
* Will be "23:59:59".
*
* Hour is in 24 hour format.
*
* Generated PHPDoc at http://opensource.under.com.br/date_in_interval/docs/
*
* @package date_in_interval
* @author Roberto Bert�, darkelder (inside) users (dot) sourceforge (dot) net
* @version 1.0rc1
* @since 2002-05-29
* @copyright no copyright, LGPL - write to my email if you want receive the license or check-in www.gnu.org
* @return bool return TRUE if date is in interval, or FALSE if not
* @param mixed $intervals the mixed array described above
* @param int $time (optional) if not set, use time()
* @param bool $debug (optional) show
*/
function date_in_interval($intervals,$time = 0,$debug = FALSE)
{
// time default get, integer
if ($time == 0) $time = time();
settype($time,"integer");
// week day
$tDay = date("w",$time);
// hour
$tHou = date("G",$time);
// minute
$tMin = date("i",$time);
// seconds
$tSec = date("s",$time);
// to each interval on intervals
foreach ($intervals as $interval)
{
list($iDay,$ia,$ib) = $interval;
list($iaHou,$iaMin,$iaSec) = explode(":",$ia);
// the default of third element is 23:59:59
if (!isset($ib))
{
$ib = "23:59:59";
}
list($ibHou,$ibMin,$ibSec) = explode(":",$ib);
// everything should be integer
settype($iDay,"integer");
settype($iaHou,"integer");
settype($iaMin,"integer");
settype($iaSec,"integer");
settype($ibHou,"integer");
settype($ibMin,"integer");
settype($ibSec,"integer");
// debug
if ($debug == TRUE)
{
$lastdebug = sprintf("%st%st%st%st%st%st%s",$iDay,$iaHou,$iaMin,$iaSec,$ibHou,$ibMin,$ibSec);
}
// creating interval times
$tMulti = $tHou * 3600 + $tMin * 60 + $tSec;
$iaMulti = $iaHou * 3600 + $iaMin * 60 + $iaSec;
$ibMulti = $ibHou * 3600 + $ibMin * 60 + $ibSec;
if ($tDay == $iDay && $iaMulti <= $tMulti && $ibMulti >= $tMulti)
{
// debug
if ($debug == TRUE)
{
printf("%s = <b>valid</b><br>",$lastdebug);
}
return TRUE;
}
elseif ($debug == TRUE) {
printf("%s = <b>invalid</b><br>",$lastdebug);
}
}
// default is return false
return FALSE;
}
?>
?>
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