Displaying events in a calendar

HurricaneDan · October 8, 2007

I have a calendar that I would like to display some events on. The events are stored in a database but I do not think I am getting the information in the right place and displaying like it should be.

I cannot seem to get an event to display on the exact date that it should be displayed on. I can get one event for a whole week but that, of course, is not right.

Any help would be appreciated,

Dan

// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");


$selectquery=mysql_query ("
SELECT `p`.`id` as id
, `p`.`hostname` as hostname
, `p`.`partydate` as partydate
, `p`.`partytime` as partytime
, COUNT( `g`.`id` ) AS numofguests
FROM parties AS p LEFT JOIN guests AS g
ON `p`.`id` = `g`.`host_id`
WHERE partydate > NOW( )
GROUP BY `p`.`id`");

$num = mysql_num_rows($selectquery);


?>

<?php
error_reporting('0');
ini_set('display_errors', '0');

//gather variables from the user and break them down for this script

if(!isset($_REQUEST['date'])) {
$date = mktime(0,0,0,date('m'),date('d'), date('Y'));
} else {
$date =$_REQUEST['date'];

}

$day = date('d', $date);
$month = date('m', $date);
$year = date('Y', $date);

//Get the first day of the month
$month_start = mktime(0,0,0,$month, 1, $year);

//Get the friendly month name
$month_name = date('M', $month_start);

//Find first day of the week the month starts
$month_start_day = date('D', $month_start);

switch($month_start_day){
case "Sun": $offset = 0; break;
case "Mon": $offset = 1; break;
case "Tue": $offset = 2; break;
case "Wed": $offset = 3; break;
case "Thu": $offset = 4; break;
case "Fri": $offset = 5; break;
case "Sat": $offset = 6; break;
}

//determine how many days are in the previous month
if($month == 1) {
$num_days_last = cal_days_in_month(0, 12, ($year - 1));
} else {
$num_days_last = cal_days_in_month(1, ($month - 1), $year);
}

//determine how many days are in the current month
$num_days_current = cal_days_in_month(0, $month, $year);

//Build an array of the days
for($i = 1; $i <= $num_days_current; $i++) {
$num_days_array[] = $i;
}

//build an array from the last months days
for($i = 1; $i <= $num_days_last; $i++) {
$num_days_last_array[] = $i;
}

//check the offset for day of the week, none is needed if month starts on Sunday
if($offset > 0) {
$offset_correction = array_slice($num_days_last_array, -$offset, $offset);

$new_count = array_merge($offset_correction, $num_days_array);

$offset_count = count($offset_correction);	
} else {
$new_count = $num_days_array;
}

//count how many total days we have with these two arrays merged
$current_num = count($new_count);

//With 5 HTML table rows with 7 table data entries we will need a total
//of 35 TDs.  We will need to see from a third array how many days we need

if($current_num > 35 ) {
$num_weeks = 6;
$outset = (42 - $current_num);
} elseif($current_num < 35) {
$num_weeks = 5;
$outset = (35 - $current_num);
}
if($current_num == 35) {
$num_weeks = 5;
$outset = 0;
}

//outset correction
for($i = 1; $i <= $outset; $i++) {
$new_count[] = $i;
}

//separate the $new_count array into 7 day weeks
$weeks = array_chunk($new_count, 7);

$previous_link = "<a href=\"".$_SERVER['PHP_SELF']."?date=";
if($month == 1) {
$previous_link .= mktime(0,0,0,12,$day,($year - 1));
} else {
$previous_link .= mktime(0,0,0,($month - 1), $day, $year);
}
$previous_link .= "\"><< Prev</a>";

$next_link = "<a href=\"".$_SERVER['PHP_SELF']."?date=";
if($month == 12) {
$next_link .= mktime(0,0,0,1,$day,($year + 1));
} else {
$next_link .= mktime(0,0,0,($month + 1), $day, $year);
}
$next_link .= "\">Next >></a>";



?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />

<link rel="stylesheet" type="text/css" href="stylesheets/stylesheet.css">



</head>

<boby>
<div id="wrapper">
<div id="navigation">
		<div id="menuh-container">

		<div id="menuh">
			<!--<ul>
				<li><a href="index.html">Home</a></li>
			</ul>-->
			<ul>	
				<li><a href="about.html">About Us</a></li>
			</ul>

			<ul>
				<li><!--<a href="products.html" class="top_parent">Products</a>--><a href="#" class="top_parent">Products</a>
				<ul>
					<li><a href="clothes.html">Kids' Clothing</a></li>
					<li><a href="gifts.html">Baby Gifts & <br />Accesories</a></li>

				</ul>
				</li>
			</ul>



			<ul>	
				<li><a href="schedule.php">Calendar</a></li>
			</ul>

			<ul>	
				<li><a href="contact_us.html">Contact Us</a></li>
			</ul>


		</div> 	<!-- end the menuh-container div -->  
		</div><!-- end the menuh div --> 

</div><!-- end navigation --> 

<div id="content">
<?php
echo "<table border=\"1\" cellpadding=\"2\" cellspacing=\"0\" width=\"520\" class=\"calendar\">\n".
		"<tr>\n".
		"<td colspan=\"7\">".
		"<table align=\"center\">".
		"<tr>".
		"<td colspan=\"2\" width=\"150\" align=\"left\">$previous_link</td>\n".
		"<td colspan=\"3\" width=\"200\" align=\"center\">$month_name $year</td>\n".
		"<td colspan=\"2\" width=\"150\" align=\"right\"$next_link</td>\n".
		"</tr>\n".
		"</table>\n".
		"</td>\n".
		"<tr>\n".
		"<td>Sun</td><td>Mon</td><td>Tue</td><td>Wed</td><td>Thu</td><td>Fri</td><td>Sat</td>\n".
		"</tr>\n";

//Break each key of the array into a week and create a new table row for each week
//with the days of the week in the table data

$i = 0;


foreach($weeks AS $week) {

	echo "<tr>\n";


		while ($row = mysql_fetch_array($selectquery)) {

					$party_host_id = $row['id'];
					$party_host_name = $row['hostname'];
					$party_calendar_entry = strtotime($row['partydate']);


			if($party_calendar_entry == $date) {

				$host_link = "<a href=\"party_sign_up.php?id=".$party_host_id."\">".$party_host_name."</a>";
				//echo "td class=\"days\">$host_link</td>\n";
			}//if $party_calendar_entry=$date	


		}//while	
			foreach($week as $d) {

				if($i < $offset_count) {
					$day_link = "<a href=\"".$_SERVER['PHP_SELF']."?date=".mktime(0,0,0,($month - 1),$d,$year)."\">$d</a>";
					echo "<td class=\"nonmonthdays\">$day_link.$host_link</td>\n";
				}

				if(($i >= $offset_count) && ($i < ($num_weeks * 7) - $outset)) {
					if($date == mktime(0,0,0,$month, $d, $year)) {
						echo "<td class=\"today\">$d</td>\n";
					} else {
						echo "<td class=\"days\"><a href=\"".$_SERVER['PHP_SELF']."?date=".mktime(0,0,0,$month,$d,$year)."\">$d</a></td>\n";
					}

				} elseif($i >= ($num_weeks * 7) - $outset) {
					$day_link = "<a href=\"".$_SERVER['PHP_SELF']."?date=".mktime(0,0,0,$month + 1,$d,$year)."\">$d</a>";
					echo "<td class=\"nonmonthdays\">$day_link.$host_link</td>\n";
				}

			}//foreach $week as $d


			$i++;




		echo "</tr>\n";

}//foreach $weeks as $week

echo '<tr><td colspan="7" class="days"> </td></tr>';
echo '</table>';




?>




</div><!--end content-->
</div><!--end wrapper-->
</body>

</html>

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Displaying events in a calendar

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