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egroupware_official/calendar/inc/functions.inc.php

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<?php
/**************************************************************************\
* phpGroupWare - Calendar *
* http://www.phpgroupware.org *
* Based on Webcalendar by Craig Knudsen <cknudsen@radix.net> *
* http://www.radix.net/~cknudsen *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
// only temp
$BGCOLOR = "#C0C0C0"; // document background color
$H2COLOR = "#000000"; // color of page titles
$CELLBG = $phpgw_info["theme"]["cal_dayview"]; // color of table cells in month view
$TABLEBG = "#000000"; // lines separating table cells
$THBG = "#FFFFFF"; // background color of table column headers
$THFG = "#000000"; // text color of table column headers
$POPUP_FG = "#000000"; // text color in popup of event description
$POPUP_BG = "#FFFFFF"; // background color in popup of event description
$TODAYCELLBG = "#E0E0E0";// color of table cells of current day in month view
$month_names = array("01" => lang_common("January"), "07" => lang_common("July"),
"02" => lang_common("February"),"08" => lang_common("August"),
"03" => lang_common("March"), "09" => lang_common("September"),
"04" => lang_common("April"), "10" => lang_common("October"),
"05" => lang_common("May"), "11" => lang_common("November"),
"06" => lang_common("June"), "12" => lang_common("December")
);
$weekday_names = array( "0" => lang_common("Sunday"), "1" => lang_common("Monday"),
"2" => lang_common("Tuesday"), "3" => lang_common("Wednesday"),
"4" => lang_common("Thursday"),"5" => lang_common("Friday"),
"6" => lang_common("Saturday")
);
function display_small_month($thismonth,$thisyear,$showyear, $link = "")
{
global $phpgw, $phpgw_info, $friendly;
if (! $link)
$link = "edit_entry.php";
echo "<TABLE BORDER=0 bgcolor=\"".$phpgw_info["theme"]["bg_color"]."\">";
$sun = get_sunday_before($thisyear, $thismonth, 1);
$monthstart = mktime(2,0,0,$thismonth,1,$thisyear);
$monthend = mktime(2,0,0,$thismonth + 1,0,$thisyear);
echo "<TR><TD COLSPAN=7 ALIGN=\"center\"><FONT SIZE=\"2\">";
if (! $friendly)
echo "<A HREF=\"".$phpgw->link(
$phpgw_info["server"]["app_root"]."/",
"year=$thisyear&month=$thismonth")
. "\">";
if ($showyear)
echo lang_common(date("F",$monthstart)) . " $thisyear" . "</a></font></td></tr>";
else
echo lang_common(date("F",$monthstart)) . "</A></FONT></TD></TR>";
echo "<tr>"
. "<td>" . lang_calendar("Su") . "</td>"
. "<td>" . lang_calendar("Mo") . "</td>"
. "<td>" . lang_calendar("Tu") . "</td>"
. "<td>" . lang_calendar("We") . "</td>"
. "<td>" . lang_calendar("Th") . "</td>"
. "<td>" . lang_calendar("Fr") . "</td>"
. "<td>" . lang_calendar("Sa") . "</td>"
. "</tr>";
for ($i = $sun; date("Ymd",$i) <= date ("Ymd",$monthend);
$i += (24 * 3600 * 7) ) {
echo "<TR>";
for ($j = 0; $j < 7; $j++) {
$date = $i + ($j * 24 * 3600);
if ( date("Ymd",$date) >= date ("Ymd",$monthstart) &&
date("Ymd",$date) <= date ("Ymd",$monthend) ) {
echo "<TD align=right>";
if (! $friendly)
echo "<a href=\"".$phpgw->link($link,
"year=".date("Y",$date)
."&month=".date("m",$date)
."&day=".date("d",$date)) . "\">";
echo "<FONT SIZE=\"2\">" . date ( "j", $date ) . "</a></FONT>"
. "</TD>";
} else
echo "<TD></TD>";
} // end for $j
echo "</TR>";
} // end for $i
echo "</TABLE>";
} // end function
// LC: links back to an entry view for $id using $pic
function link_to_entry($id, $pic, $description)
{
global $phpgw, $phpgw_info, $phpgw_flags, $friendly, $appname;
if (! $friendly)
echo "<A HREF=\"".$phpgw->link($phpgw_info["server"]["webserver_url"]
."/".$phpgw_flags["currentapp"]."/view.php","id=$id")."\"><img src=\""
. $phpgw_info["server"]["app_images"]."/$pic\" "
. "border=\"0\" alt=\"".htmlentities($description)."\"></a>";
}
// Get all the repeating events for the specified data and return them
// in an array (which is sorted by time of day).
// This NEEDS to be combined with make_repeating_entires(),
// this just needs an array returned. Thats tommorows job.
function get_repeating_entries($date)
{
global $repeated_events, $phpgw;
$n = 0;
$thisyear = substr($date, 0, 4);
$thismonth = substr($date, 4, 2);
for ($i=0; $i < count($repeated_events); $i++) {
$start = date_to_epoch($repeated_events[$i][cal_date]);
$end = date_to_epoch($repeated_events[$i][cal_end]);
$freq = $repeated_events[$i][cal_frequency];
// only repeat after the beginning, and if there is an end
// before the end
if ($repeated_events[$i][cal_end] && date("Ymd",$date) > date("Ymd",$end))
continue;
if (date("Ymd",$date) < date("Ymd",$start))
continue;
$id = $repeated_events[$i][cal_id];
if ($repeated_events[$i][cal_type] == 'daily') {
if ((floor(($date - $start)/86400)%$freq))
continue;
$ret[$n++] = $repeated_events[$i];
} else if ($repeated_events[$i][cal_type] == 'weekly') {
$dow = date("w", $date);
$isDay = substr($repeated_events[$i][cal_days], $dow, 1);
if (floor(($date - $start)/604800)%$freq)
continue;
if (strcmp($isDay,"y") == 0) {
$ret[$n++] = $repeated_events[$i];
}
} else if ($repeated_events[$i][cal_type] == 'monthlyByDay') {
$dowS = date("w", $start);
$dayS = floor(date("d", $start)/7);
$mthS = date("m", $start);
$yrS = date("Y", $start);
$dow = date("w", $date);
$day = floor(date("d", $date)/7);
$mth = date("m", $date);
$yr = date("Y", $date);
if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
continue;
if (($dowS == $dow) && ($day == $dayS)) {
$ret[$n++] = $repeated_events[$i];
}
} else if ($repeated_events[$i][cal_type] == 'monthlyByDate') {
$mthS = date("m", $start);
$yrS = date("Y", $start);
$mth = date("m", $date);
$yr = date("Y", $date);
if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
continue;
if (date("d", $date) == date("d", $start)) {
$ret[$n++] = $repeated_events[$i];
}
}
else if ($repeated_events[$i][cal_type] == 'yearly') {
$yrS = date("Y", $start);
$yr = date("Y", $date);
if (($yr - $yrS)%$freq)
continue;
if (date("dm", $date) == date("dm", $start)) {
$ret[$n++] = $repeated_events[$i];
}
} else {
// unknown repeat type
}
}
return $ret;
}
// LC: does the repeating entry thang
// There is no need to pass $user, needs to be removed.
function make_repeating_entries($date,$hide_icons)
{
global $repeated_events; // Pass it through?
$thisyear = substr($date, 0, 4);
$thismonth = substr($date, 4, 2);
for ($i=0; $i < count($repeated_events); $i++ ) {
$start = date_to_epoch($repeated_events[$i][cal_date]);
$end = date_to_epoch($repeated_events[$i][cal_end]);
$freq = $repeated_events[$i][cal_frequency];
// only repeat after the beginning, and if there is an end
// before the end
if ($repeated_events[$i][cal_end] && date("Ymd",$date) > date("Ymd",$end) )
continue;
if (date("Ymd",$date) < date("Ymd",$start))
continue;
$id = $repeated_events[$i][cal_id];
if ($repeated_events[$i][cal_type] == 'daily') {
if ( (floor(($date - $start)/86400)%$freq) )
continue;
link_to_entry( $id, "rpt.gif", $repeated_events[$i][cal_description]);
echo $repeated_events[$i][cal_name] . "<br>";
} else if ($repeated_events[$i][cal_type] == 'weekly') {
$dow = date("w", $date);
$isDay = substr($repeated_events[$i][cal_days], $dow, 1);
/*if ( (floor($diff/86400)%$freq) ) // Whats this for ?
** continue;
*/
if (floor(($date - $start)/604800)%$freq)
continue;
if (strcmp($isDay,"y") == 0) {
link_to_entry($id, "rpt.gif", $repeated_events[$i][cal_description]);
echo $repeated_events[$i][cal_name] . "<br>";
}
} else if ($repeated_events[$i][cal_type] == 'monthlyByDay') {
$dowS = date("w", $start);
$dayS = floor(date("d", $start)/7);
$mthS = date("m", $start);
$yrS = date("Y", $start);
$dow = date("w", $date);
$day = floor(date("d", $date)/7);
$mth = date("m", $date);
$yr = date("Y", $date);
if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
continue;
if (($dowS == $dow) && ($day == $dayS)) {
link_to_entry($id, "rpt.gif", $repeated_events[$i][cal_description]);
echo $repeated_events[$i][cal_name] . "<br>";
}
} else if ($repeated_events[$i][cal_type] == 'monthlyByDate') {
$mthS = date("m", $start);
$yrS = date("Y", $start);
$mth = date("m", $date);
$yr = date("Y", $date);
if ((($yr - $yrS)*12 + $mth - $mthS) % $freq)
continue;
if (date("d", $date) == date("d", $start)) {
link_to_entry($id, "rpt.gif", $repeated_events[$i][cal_description]);
echo $repeated_events[$i][cal_name] . "<br>";
}
} else if ($repeated_events[$i][cal_type] == 'yearly') {
$yrS = date("Y", $start);
$yr = date("Y", $date);
if (($yr - $yrS)%$freq)
continue;
if (date("dm", $date) == date("dm", $start)) {
link_to_entry($id, "rpt.gif", $repeated_events[$i][cal_description]);
echo $repeated_events[$i][cal_name] . "<br>";
}
} else {
// unknown rpt type - because of all our else ifs
}
} // end for loop
} // end function
// The orginal patch read this 30+ times in a loop, only read it once.
function read_repeated_events()
{
global $phpgw;
$sql = "SELECT webcal_entry.cal_name, webcal_entry.cal_date, "
. "webcal_entry_repeats.*, webcal_entry.cal_description, "
. "webcal_entry.cal_time,webcal_entry.cal_priority, "
. "webcal_entry.cal_duration "
. "FROM webcal_entry, webcal_entry_repeats, webcal_entry_user "
. "WHERE webcal_entry.cal_id = webcal_entry_repeats.cal_id "
. "AND webcal_entry.cal_id = webcal_entry_user.cal_id "
. "AND webcal_entry_user.cal_login = '" . $phpgw->session->loginid . "' "
. "AND webcal_entry.cal_type='M'";
$phpgw->db->query($sql);
$i = 0;
while ($phpgw->db->next_record()) {
$repeated_events[$i] = array("cal_name" => $phpgw->db->f("cal_name"),
"cal_date" => $phpgw->db->f("cal_date"),
"cal_id" => $phpgw->db->f("cal_id"),
"cal_type" => $phpgw->db->f("cal_type"),
"cal_end" => $phpgw->db->f("cal_end"),
"cal_frequency" => $phpgw->db->f("cal_frequency"),
"cal_days" => $phpgw->db->f("cal_days"),
"cal_description" => $phpgw->db->f("cal_description"),
"cal_time" => $phpgw->db->f("cal_time"),
"cal_priority" => $phpgw->db->f("cal_priority"),
"cal_duration" => $phpgw->db->f("cal_duration")
);
$i++;
}
return $repeated_events;
}
function get_sunday_before($year,$month,$day)
{
$weekday = date("w", mktime(0,0,0,$month,$day,$year) );
$newdate = mktime(0,0,0,$month,$day - $weekday,$year);
return $newdate;
}
function sql_search_calendar()
{
global $phpgw;
$s .= $phpgw->groups->cal_sql_search();
$s .= " OR webcal_entry.cal_access='public'";
return $s;
}
function print_date_entries($date,$hide_icons,$sessionid)
{
global $phpgw, $phpgw_info;
if (! $hide_icons) {
echo "<A HREF=\"".$phpgw->link("edit_entry.php",
"year=".date("Y",$date)
."&month=".date("m",$date)
."&day=".date("d",$date))
. "\">"
. "<IMG SRC=\"".$phpgw_info["server"]["app_images"]."/new.gif\" WIDTH=10 HEIGHT=10 ALT=\""
. lang_calendar("New Entry") . "\" BORDER=0 ALIGN=right></A>";
echo "[ " . "<a href=\"".$phpgw->link("day.php","month=".date("m",$date)
."&day=".date("d",$date)."&year=".date("Y",$date))
. "\">" . date("d", $date) . "</a> ]<BR>\n";
} else {
echo "[ " . date("d", $date) . " ]<BR>\n";
}
echo "<FONT SIZE=\"2\">";
// This is only a temporey fix
if ($phpgw_info["server"]["db_type"] == "mysql") {
$sql = "SELECT DISTINCT webcal_entry.cal_id, webcal_entry.cal_name, "
. "webcal_entry.cal_priority, webcal_entry.cal_time, "
. "webcal_entry_user.cal_status, webcal_entry.cal_create_by, "
. "webcal_entry.cal_access,webcal_entry.cal_description "
. "FROM webcal_entry LEFT JOIN webcal_entry_user "
. "ON webcal_entry.cal_id=webcal_entry_user.cal_id "
. "LEFT JOIN webcal_entry_groups "
. "ON webcal_entry_groups.cal_id=webcal_entry.cal_id "
. "WHERE webcal_entry.cal_date='" . date("Ymd", $date) . "' "
. "AND webcal_entry.cal_type != 'M' "
. "AND (webcal_entry_user.cal_login='" . $phpgw->session->loginid . "' "
. sql_search_calendar() . ") "
. "ORDER BY webcal_entry.cal_priority, webcal_entry.cal_time";
} else {
$sql = "SELECT DISTINCT webcal_entry.cal_id, webcal_entry.cal_name, "
. "webcal_entry.cal_priority, webcal_entry.cal_time, "
. "webcal_entry_user.cal_status, webcal_entry.cal_create_by, "
. "webcal_entry.cal_access,webcal_entry.cal_description "
. "FROM webcal_entry, webcal_entry_user, webcal_entry_groups "
. "WHERE webcal_entry.cal_date='" . date("Ymd", $date) . "' "
. "AND webcal_entry.cal_type != 'M' AND "
. "(webcal_entry_user.cal_login='" . $phpgw->session->loginid . "' "
. " AND webcal_entry.cal_id=webcal_entry_user.cal_id OR "
. "(webcal_entry_groups.cal_id=webcal_entry.cal_id "
. sql_search_calendar() . ")) ORDER "
. "BY webcal_entry.cal_priority, webcal_entry.cal_time";
}
make_repeating_entries($date, $hide_icons);
$phpgw->db->query($sql);
echo "<NOBR>";
while ($phpgw->db->next_record()) {
if (! $hide_icons) {
echo "<A HREF=\"".$phpgw->link("view.php","id=".$phpgw->db->f(0))
. "\" onMouseOver=\"window.status='"
. lang_calendar("View this entry") . "'; return true;\"><IMG SRC=\"".$phpgw_info["server"]["app_images"]."/"
. "circle.gif\" WIDTH=5 HEIGHT=7 ALT=\"" . $phpgw->db->f("cal_description")
. "\" BORDER=0></A>";
}
if ($phpgw->db->f(2) == 3)
echo "<font color=\"CC0000\">"; // ***** put into theme
if ($phpgw->db->f(3) > 0) {
if ($phpgw_info["user"]["preferences"]["timeformat"] == "24")
printf ("%02d:%02d",$phpgw->db->f(3) / 10000, ($phpgw->db->f(3) / 100) % 100);
else {
$h = ((int)($phpgw->db->f(3) / 10000)) % 12;
if ($h == 0)
$h = 12;
echo $h;
$m = ($phpgw->db->f(3) / 100) % 100;
if ($m > 0)
printf(":%02d",$m);
echo ((int)($phpgw->db->f(3) / 10000)) < 12 ? "am" : "pm";
}
echo "&gt;";
}
echo "</NOBR>";
echo htmlentities($phpgw->db->f(1));
if ($phpgw->db->f(2) == 3)
echo "</font>";
if ($phpgw->db->f(4) == "W")
echo "</FONT>";
echo "<BR>";
} // end ?
print "</FONT>";
} // end function
// display a time in either 12 or 24 hour format
// Input time is an interger like 235900
function display_time($time)
{
global $phpgw, $phpgw_info;
$hour = (int)($time / 10000);
$min = ($time / 100) % 100;
if ($phpgw_info["user"]["preferences"]["timeformat"] == "12") {
$ampm = $hour >= 12 ? "pm" : "am";
$hour %= 12;
if ($hour == 0)
$hour = 12;
$ret = sprintf("%d:%02d%s",$hour,$min,$ampm);
} else
$ret = sprintf("%d:%02d",$hour,$min);
return $ret;
}
// convert a date from an int format "19991231" into "31 Dec 1999"
function date_to_str($indate)
{
if (strlen($indate) > 0) {
$y = (int)($indate / 10000);
$m = ($indate / 100) % 100;
$d = $indate % 100;
$d = mktime(0,0,0,$m,$d,$y);
return strftime("%A, %B %d, %Y", $d);
} else
return strftime("%A, %B %d, %Y");
}
// This should be a common function. (todo list)
function date_to_epoch($d)
{
return mktime(0,0,0,substr($d,4,2),substr($d,6,2),substr($d,0,4));
}
function html_for_event_day_at_a_glance ($id, $date, $time,
$name, $description, $status, $pri, $access, $duration, $hide_icons)
{
global $first_hour, $last_hour, $hour_arr, $rowspan_arr, $rowspan,
$eventinfo, $phpgw, $phpgw_info;
if ($time >= 0) {
$ind = (int)($time / 10000);
if ($ind < $first_hour)
$first_hour = $ind;
if ($ind > $last_hour)
$last_hour = $ind;
} else
$ind = 99;
$class = "entry";
if (! $hide_icons) {
$hour_arr[$ind] .= "<A HREF=\"".$phpgw->link("view.php","id=$id");
$hour_arr[$ind] .= "\" onMouseOver=\"window.status='" . lang_calendar("View this entry")
. "'; return true;\">";
}
if ($time >= 0) {
$hour_arr[$ind] .= "[" . display_time($time);
if ($duration > 0) {
// calc end time
$h = (int)($time / 10000);
$m = ($time / 100) % 100;
$m += $duration;
$d = $duration;
while ( $m >= 60 ) {
$h++;
$m -= 60;
}
$end_time = sprintf("%02d%02d00", $h, $m);
$hour_arr[$ind] .= "-" . display_time($end_time);
if ($m == 0)
$rowspan = $h - $ind;
else
$rowspan = $h - $ind + 1;
if ($rowspan > $rowspan_arr[$ind] && $rowspan > 1)
$rowspan_arr[$ind] = $rowspan;
}
$hour_arr[$ind] .= "] ";
}
$hour_arr[$ind] .= "<img src=".$phpgw_info["server"]["app_images"]."/circle.gif border=0 alt=\"" . htmlentities($description) . "\"></a>";
if ($pri == 3)
$hour_arr[$ind] .= "<font color=\"CC0000\">";
$hour_arr[$ind] .= htmlspecialchars($name);
if ($pri == 3)
$hour_arr[$ind] .= "</font>";
$hour_arr[$ind] .= "</A><BR>";
}
function print_day_at_a_glance($date, $hide_icons)
{
global $hour_arr, $rowspan_arr, $rowspan, $phpgw, $phpgw_info,
$CELLBG, $TODAYCELLBG, $THFG, $THBG;
// get all the repeating events for this date and store in array $rep
$rep = get_repeating_entries($date, $user);
$cur_rep = 0;
$sql = "SELECT DISTINCT webcal_entry.cal_id, webcal_entry.cal_name, "
. "webcal_entry.cal_priority, webcal_entry.cal_time, "
. "webcal_entry_user.cal_status, webcal_entry.cal_create_by, "
. "webcal_entry.cal_access,webcal_entry.cal_description "
. "FROM webcal_entry "
. "LEFT JOIN webcal_entry_user "
. "ON webcal_entry.cal_id=webcal_entry_user.cal_id "
. "LEFT JOIN webcal_entry_groups "
. "ON webcal_entry_groups.cal_id=webcal_entry.cal_id "
. "WHERE webcal_entry.cal_date='" . date("Ymd", $date) . "' "
. "AND webcal_entry.cal_type != 'M' "
. "AND (webcal_entry_user.cal_login='" . $phpgw->session->loginid . "' "
. sql_search_calendar() . ") "
. "ORDER BY webcal_entry.cal_priority, webcal_entry.cal_time";
$phpgw->db->query($sql);
$hour_arr = Array();
$first_hour = ($phpgw_info["user"]["preferences"]["workdaystarts"] + 1);
$last_hour = ($phpgw_info["user"]["preferences"]["workdayends"] + 1);
$rowspan_arr = Array();
while ($phpgw->db->next_record()) {
// print out any repeating events that are before this one...
while ($cur_rep < count($rep) && $rep[$cur_rep]["cal_time"] < $phpgw->db->f(3)) {
html_for_event_day_at_a_glance($rep[$cur_rep]["cal_id"],
$date, $rep[$cur_rep]["cal_time"],
$rep[$cur_rep]["cal_name"], $rep[$cur_rep]["cal_description"],
$rep[$cur_rep]["cal_status"], $rep[$cur_rep]["cal_priority"],
$rep[$cur_rep]["cal_access"], $rep[$cur_rep]["cal_duration"],
$hide_icons );
$cur_rep++;
}
html_for_event_day_at_a_glance($phpgw->db->f("cal_id"),$date,$phpgw->db->f("cal_time"),
$phpgw->db->f("cal_name"),$phpgw->db->f("cal_description"),
$phpgw->db->f("cal_status"),$phpgw->db->f("cal_priority"),
$phpgw->db->f("cal_access"),$phpgw->db->f("cal_duration"),
$hide_icons);
}
// print out any remaining repeating events
while ($cur_rep < count($rep)) {
html_for_event_day_at_a_glance ( $rep[$cur_rep]["cal_id"],
$date, $rep[$cur_rep]["cal_time"],
$rep[$cur_rep]["cal_name"], $rep[$cur_rep]["cal_description"],
$rep[$cur_rep]["cal_status"], $rep[$cur_rep]["cal_priority"],
$rep[$cur_rep]["cal_access"], $rep[$cur_rep]["cal_duration"],
$hide_icons );
$cur_rep++;
}
// squish events that use the same cell into the same cell.
// For example, an event from 8:00-9:15 and another from 9:30-9:45 both
// want to show up in the 8:00-9:59 cell.
$rowspan = 0;
$last_row = -1;
for ($i = 0; $i < 24; $i++) {
if ($rowspan > 1) {
if (strlen($hour_arr[$i])) {
$hour_arr[$last_row] .= $hour_arr[$i];
$hour_arr[$i] = "";
$rowspan_arr[$i] = 0;
}
$rowspan--;
} else if ($rowspan_arr[$i] > 1) {
$rowspan = $rowspan_arr[$i];
$last_row = $i;
}
}
if (strlen($hour_arr[99])) {
echo "<TR><TD BGCOLOR=\"$TODAYCELLBG\">&nbsp;</TD><TD BGCOLOR=\"$TODAYCELLBG\">"
. "$hour_arr[99]</TD></TR>\n";
}
$rowspan = 0;
for ($i = $first_hour; $i <= $last_hour; $i++) {
$time = display_time($i * 10000);
// echo "<TR><TH WIDTH=\"14%\" BGCOLOR=\"$THBG\">" . "<FONT COLOR=\"$THFG\">"
// . $time . "</FONT></TH>\n";
echo "<TR><TH WIDTH=\"14%\" BGCOLOR=\"$THBG\"><FONT COLOR=\"$THFG\">";
// tooley: the hour - 36400 is a HACK for improper storage of hour allows
// in user preference land.
echo "<A HREF=\"".$phpgw->link("edit_entry.php",
"year=" . date("Y",$date)
. "&month=" . date("m",$date)
. "&day=" . date("d",$date)
. "&hour=" . substr($time,0,2)
. "&minute=" . substr($time,2,2))
. "\">$time</A></FONT></TH>";
if ($rowspan > 1) {
// this might mean there's an overlap, or it could mean one event
// ends at 11:15 and another starts at 11:30.
if (strlen($hour_arr[$i]))
echo "<TD BGCOLOR=\"$TODAYCELLBG\">$hour_arr[$i]</TD>";
$rowspan--;
} else {
if (! strlen($hour_arr[$i]))
echo "<TD BGCOLOR=\"$TODAYCELLBG\">&nbsp;</TD></TR>\n";
else {
$rowspan = $rowspan_arr[$i];
if ($rowspan > 1)
echo "<TD VALIGN=\"top\" BGCOLOR=\"$TODAYCELLBG\" ROWSPAN=\"$rowspan\">"
. "$hour_arr[$i]</TD></TR>\n";
else
echo "<TD BGCOLOR=\"$TODAYCELLBG\">$hour_arr[$i]</TD></TR>\n";
}
}
} // end for
} // end function
?>
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