PHP Kalender Gantt Chart wie bei MS Project erstellen

 
<?php

echo "<table border=1 width=294>";  

$sdate = strtotime ("2010-01-18 -1 week") ;  
$edate = strtotime("2010-05-18");  

$sday = date('d', $sdate) ;  
$smonth = date('m', $sdate) ;  
$syear = date('Y', $sdate) ;  
$first_day = mktime(0,0,0,$smonth, $sday, $syear) ;
$title = date('F', $first_day) ;  
$day_count = $sday;
$day_num = $sday;


$days_in_month = cal_days_in_month(0, $smonth, $syear) ;
echo "<tr><th colspan=$days_in_month> $title $syear </th></tr>";  
echo "<tr>";  

while ( $day_num <= $days_in_month )
{
	echo "<td> $day_num </td>";  
	$day_num++;
	$day_count++;
	if ($day_count > 7)
	{
		$day_count = $sday;
	}
}

echo "</tr></table>";  
?>