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Title : Monthly and Daily Upcoming Events calendar.
Categories : Date Time, PostgreSQL, PHP, Calendar, Databases Update Picture
Richard Lynch
Date : Jan 07th 1999
Grade : 2 of 5 (graded 6 times)
Viewed : 18432
File : No file for this code example.
Images : No Images for this code example.
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in use at http://www.chatmusic.com (Chicago Harmony And Truth (CHAT)), a
musician's network.
This is calendar.php
<HTML>
        <?php
                $debug = 0;

                $backText = "Use your back button to try again or <A
HREF=mailto:webmaster@yourserverhere.com>contact
webmaster@yourserverhere.com</A> if you think you received this message in
error.<BR>\n";
                $internalError = "<B>Copy this message and <A
HREF=webmaster@yourserverhere.com>Contact webmaster@yourserverhere.com
immediately!!!</A></B><BR>\n";
                
$host = "";
$port = 5432;
$options = "";
$tty = "";
$dbname = "chat";
                $user = 'www';
                $password = 'www';
                
                $months[1] = "January";
                $months[2] = "February";
                $months[3] = "March";
                $months[4] = "April";
                $months[5] = "May";
                $months[6] = "June";
                $months[7] = "July";
                $months[8] = "August";
                $months[9] = "September";
                $months[10] = "October";
                $months[11] = "November";
                $months[12] = "December";
                
                if (!isset($date)){
                        $now = time();
                        $date = date("m/d/Y", $now);
                        if ($debug){
                                echo("No date specified, using today: $date<BR>
\n");
                        }
                }
                $day = 1;
                $month = (int) substr($date, 0, 2);
                $year = (int) substr($date, 6);
                if ($debug){
                        echo("Parsed date is: day $day, month $month, year
$year<BR>\n");
                }
                $now = mktime(0, 0, 0, $month, $day, $year);
                $date = date("m/d/Y", $now);
                if ($debug){
                        echo("Unix time: $now<BR>\n");
                        echo("date $date<BR>\n");
                }
                
                echo(" <HEAD><TITLE>Events for $months[$month]</TITLE></HEAD>
\n");
                echo(" <BODY BGCOLOR=FFFFFF LINK=FF0000 VLINK=FF0000
ALINK=FFFF00><FONT FACE=\"Verdana,Helvetica,Arial\">\n");
                
                $thisMonth = "0" . $month;
                $thisMonth = substr($thisMonth, strlen($thisMonth) - 2, 2);
                $nextYearYear = $year + 1;
                $nextYear = "$thisMonth-01-$nextYearYear";
                $lastYearYear = $year - 1;
                $lastYear = "$thisMonth-01-$lastYearYear";
                
                $nextMonthMonth = $month + 1;
                $nextMonthYear = $year;
                if ($nextMonthMonth == 13){
                        $nextMonthMonth = 1;
                        $nextMonthYear = $nextMonthYear + 1;
                }
                $nextMonthMonth = "0" . $nextMonthMonth;
                $nextMonthMonth = substr($nextMonthMonth, strlen
($nextMonthMonth) - 2, 2);
                $nextMonth = "$nextMonthMonth-01-$nextMonthYear";
                
                $lastMonthMonth = $month - 1;
                $lastMonthYear = $year;
                if ($lastMonthMonth == 0){
                        $lastMonthMonth = 12;
                        $lastMonthYear = $lastMonthYear - 1;
                }
                $lastMonthMonth = "0" . $lastMonthMonth;
                $lastMonthMonth = substr($lastMonthMonth, strlen
($lastMonthMonth) - 2, 2);
                $lastMonth = "$lastMonthMonth-01-$lastMonthYear";
                
                $connection = pg_Connect("port=$port user=$user password=
$password dbname=$dbname");
if (!$connection){
         echo("Couldn't connect to database $dbname on port $port at host
$host<BR>\n");
         if ($options != "" || $tty != ""){
         echo("  (Options $options tty $tty)<BR>\n");
}
exit;
         }
                $query = "select whatDate, venueid, memberid, whatTime from
gigs where whatDate>='$date::date' and whatDate<'$nextMonth::date' order by
whatDate, venueid, whatTime";
                if ($debug){
                        echo("$query<BR>\n");
                }
                $gigs = pg_Exec($connection, $query);
                if ($gigs == 0){
                        echo("$internalError");
                        echo("$query<BR>\n");
                        exit;
                }
                $gigCount = pg_NumRows($gigs);
                
                echo("<TABLE WIDTH=\"100%\"><TR>\n");
                echo(" <TD ALIGN=LEFT><A HREF=calendar.php?date=$lastYear>
$lastYearYear</A><BR><FONT FACE=Verdana,Helvetica,Arial SIZE=5><A
HREF=calendar.php?date=$lastMonth>$lastMonthMonth-$lastMonthYear</A></FONT></TD>
\n");
                echo(" <TD ALIGN=CENTER>$year<BR><FONT
FACE=Verdana,Helvetica,Arial SIZE=7>$months[$month]</FONT></CENTER></TD>\n");
                echo(" <TD ALIGN=RIGHT><A HREF=calendar.php?date=$nextYear>
$nextYearYear</A><BR><FONT FACE=Verdana,Helvetica,Arial SIZE=5><A
HREF=calendar.php?date=$nextMonth>$nextMonthMonth-$nextMonthYear</A></FONT></TD>
\n");
                echo("</TR></TABLE>\n");
                
                $current = $date;
                $dayOfWeek = date("w", $now);
                
                if ($debug){
                        echo("Current: $current<BR>\n");
                
                        for ($start = 'A'; $start <= 'Z'; $start++){
                                $d = date($start, $now);
                                if ($d != $start){
                                        echo("<BR>\n$start $d");
                                }
                        }
                        for ($start = 'a'; $start <= 'z'; $start++){
                                $d = date($start, $now);
                                if ($d != $start){
                                        echo("<BR>\n$start $d");
                                }
                        }
                        
                        echo("dayOfWeek is $dayOfWeek<BR>\n");
                }
                
                echo("<TABLE WIDTH=\"100%\" BORDER=1>\n");
                echo(" <TR><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Sunday</TH><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Monday</TH><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Tuesday</TH><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Wednesday</TH><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Thursday</TH><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Friday</TH><TH ALIGN=CENTER WIDTH=\"14%\" BGCOLOR=
\"#FFCCCC\">Saturday</TH></TR>\n");
                
                /* Start a new week. */
                echo(" <TR>\n");
                $dayW = 0;
                /* spit out some blanks for days in last month */
                while($dayW < $dayOfWeek){
                        echo(" <TD> </TD>\n");
                        $dayW = $dayW + 1;
                }
                $count = 0;
                $index = 0;
                $separator = "";
                if ($debug){
                        echo("month is $month<BR>\n");
                        echo("current is $current<BR>\n");
                        $m = substr($current, 0, 2);
                        echo("substr is $m<BR>\n");
                        echo("gigs: $gigCount<BR>\n");
                }
                while ($month == substr($current, 0, 2) && $count < 32){
                        echo(" <TD BGCOLOR=\"#CCCCFF\" VALIGN=TOP><FONT
FACE=Verdana,Helvetica,Arial SIZE=1><A HREF=day.php?date=$current>\n");
                        echo(" $day<BR>\n");
                        
                        while ($index < $gigCount && $day == substr(pg_Result
($gigs, $index, 0), 3, 2)){
                                $whatDate = pg_Result($gigs, $index, 0);
                                $venueID = pg_Result($gigs, $index, 1);
                                $memberID = pg_Result($gigs, $index, 2);
                                $whatTime = pg_Result($gigs, $index, 3);
                                
                                $memberQuery = "select band, firstname,
lastname from membersweb where paulid = $memberID";
                                $memberTable = pg_Exec($connection,
$memberQuery);
                                if ($memberTable == 0){
                                        echo("Couldn't find member with id
$memberID<BR>\n");
                                }
                                $memberName = pg_Result($memberTable, 0, 0);
                                if ($memberName == ''){
                                        $fname = pg_Result($memberTable, 0, 1);
                                        $lname = pg_Result($memberTable, 0, 2);
                                        $memberName = $fname;
                                        if ($fname != '' && $lname != ''){
                                                $memberName .= ' ';
                                        }
                                        $memberName .= $lname;
                                }
                                echo("$memberName");
                                
                                /* Figure out if the next gig is at the same
place and date... */
                                if (($index + 1) == $gigCount){
                                        $nextVenueID = -1;
                                }
                                else{
                                        $nextVenueID = pg_Result($gigs, $index
+ 1, 1);
                                        $nextDate = pg_Result($gigs, $index +
1, 0);
                                }
                                
                                /* ... If so, just keep churning out artists. */
                                if (($venueID == $nextVenueID) && ($whatDate ==
$nextDate)){
                                        echo(", <BR>\n");
                                }
                                /* Otherwise dump out the venue name. */
                                else{
                                        $venueQuery = "select name from venues
where venueid = $venueID";
                                        $venueTable = pg_Exec($connection,
$venueQuery);
                                        if ($venueTable == 0){
                                                echo("Couldn't find venue with
id $venueID<BR>\n");
                                                exit;
                                        }
                                        $venueName = pg_Result($venueTable, 0,
0);
                                        echo(" @ $venueName<BR>\n");
                                }
                                $index = $index + 1;
                        }
                        echo(" </A></TD>\n");
                        $dayW = $dayW + 1;
                        if ($dayW == 7){
                                echo(" </TR>\n");
                                echo(" <TR>\n");
                                $dayW = 0;
                        }
                        $day = $day + 1;
                        /* Let Unix figure out when the month rolls over. */
                        $current = date("m/d/Y", mktime(0, 0, 0, $month, $day,
$year));
                        $count = $count + 1;
                }
                echo("</TR></TABLE>");
        ?>
                <BR>
                <CENTER><I>Click on any day to see details about that day's
gigs.</I></CENTER><BR><BR>
                <HR>
                <? include("toolbar.php"); ?>
        </BODY>
</HTML>


// This is day.php
<HTML>
        <?
                if (!isset($date)){
                        $date = date("m/d/Y");
                }
        ?>
        <HEAD><TITLE>Events for <? echo("$date"); ?></TITLE></HEAD>
        <BODY BGCOLOR=FFFFFF LINK=FF0000 VLINK=FF0000 ALINK=FFFF00><FONT FACE=
\"Verdana,Helvetica,Arial\">
                <BASEFONT FACE="Verdana,Helvetica,Arial">
                <?php
                        include("globals.php");
                        include("connect.php");
                        $debugLimit = 0;
                        
                        if ($debugLimit){
                                echo("$date<BR>\n");
                        }
                        $mdy = split( '/', $date);
                        if ($debugLimit){
                                $c = count($mdy);
                                for ($i=0;$i<$c;$i++){
                                        $x=$mdy[$i];
                                        echo("$x ");
                                }
                        }
                        $month = (int) $mdy[0];
                        $day = (int) $mdy[1];
                        $year = (int) $mdy[2];
                        $now = mktime(0, 0, 0, $month, $day, $year);
                        $dayOfWeek = date("l", $now);
                        $yesterdayi = mktime(0, 0, 0, $month, $day - 1, $year);
                        $tomorrowi = mktime(0, 0, 0, $month, $day + 1, $year);
                        $yesterday = date("m/d/Y", $yesterdayi);
                        $tomorrow = date("m/d/Y", $tomorrowi);
                        
                        echo("                <TABLE WIDTH=\"100%\"><TR>\n");
                        echo("                        <TD ALIGN=LEFT><A
HREF=day.php?date=$yesterday>$yesterday</A></TD>\n");
                        echo("                        <TD ALIGN=CENTER><FONT
FACE=Verdana,Helvetica,Arial SIZE=5><A HREF=calendar.php?date=$date>$month-$day-
$year<BR>$dayOfWeek</A></FONT></TD>\n");
                        echo("                        <TD ALIGN=RIGHT><A
HREF=day.php?date=$tomorrow>$tomorrow</A></TD>\n");
                        echo("                </TABLE>\n");
                        
                        $query = "select band, business, firstname, lastname,
name, whatTime, ages, cover, details, gigs.memberid, membersweb.web,
venues.web, membersweb.email, venues.email, venues.member, sponsored from gigs,
venues, membersweb ";
                        $query .= " where whatDate = '$date' and gigs.memberid
= membersweb.paulid and gigs.venueid=venues.venueid ";
                        $query .= " order by name, whatTime";
                        $gigs = pg_Exec($connection, $query);
                        if ($gigs == 0){
                                echo("Error getting gigs<BR>\n");
                                echo("$query<BR>\n");
                                echo("$internalError");
                                exit;
                        }
                        $gigcount = pg_NumRows($gigs);
                        echo("                <CENTER><TABLE WIDTH=$debugLimit WIDTH=
\"100%\">\n");
                        echo("                        <TR HEIGHT=0><TD WIDTH=75
HEIGHT=0></TD><TD HEIGHT=0></TD><TD WIDTH=75 HEIGHT=0></TD></TR>\n");
                        echo("                        <TR><TD COLSPAN=3><HR></TD></TR>
\n");
                        /* When several members are at the same venue, only put
out the venue once. */
                        /* Have to build up a string to be dumped at the
beginning of the next iteration. */
                        $lastvenue = '';
                        $venueString = '';
                        for($g = 0; $g < $gigcount; $g++){
                                $band = pg_Result($gigs, $g, 0);
                                $business = pg_Result($gigs, $g, 1);
                                $firstname = pg_Result($gigs, $g, 2);
                                $lastname = pg_Result($gigs, $g, 3);
                                $venue = pg_Result($gigs, $g, 4);
                                $whatTime = pg_Result($gigs, $g, 5);
                                $ages = pg_Result($gigs, $g, 6);
                                $cover = pg_Result($gigs, $g, 7);
                                $details = pg_Result($gigs, $g, 8);
                                $chatmeeting = pg_Result($gigs, $g, 9) == 0;
                                $bandweb = pg_Result($gigs, $g, 10);
                                $venueweb = pg_Result($gigs, $g, 11);
                                $bandemail = pg_Result($gigs, $g, 12);
                                $venueemail = pg_Result($gigs, $g, 13);
                                $membervenue = pg_Result($gigs, $g, 14);
                                $sponsored = (pg_Result($gigs, $g, 15) == 't')
? 1 : 0;
                                
                                /* Wipe out data from the other venue's gigs
and start fresh. */
                                if ($lastvenue != $venue){
                                        echo("$venueString");
                                        $venueString = '';
                                        $agesReal = '';
                                        $coverReal = '';
                                        $detailsReal = '';
                                        $lastWhatTime = '';
                                        $sponsoredReal = 0;
                                }
                                
                                /* Build up stuff for the venue to be output in
the next iteration. */
                                $agesReal = ($ages == '') ? $agesReal : $ages;
                                $coverReal = max($cover, $coverReal);
                                $detailsReal = ($details == '') ? $detailsReal
: $details;
                                $sponsoredReal = $sponsoredReal + $sponsored;
                                
                                $fullname = ($firstname == '' || $lastname ==
'') ? $firstname . $lastname : $firstname . ' ' . $lastname;
                                $artist = $band;
                                $artist .= ($artist == '') ? $business : '';
                                $artist .= ($artist == '') ? $fullname : '';
                                if ($debugLimit){
                                        echo("\n                        <TR><TD
COLSPAN=3>What time: $whatTime</TD></TR>");
                                }
                                $hms = split(':', $whatTime);
                                $hours = $hms[0];
                                $minutes = $hms[1];
                                if ($debugLimit){
                                        echo("\n                        <TR><TD
COLSPAN=3>What time: $whatTime</TD></TR>");
                                }
                                $whatTime = mktime($hours, $minutes, 0, $month,
$day, $year);
                                $whatTime = date("h:i a", $whatTime);
                                if ($whatTime[0] == '0'){
                                        $whatTime = substr($whatTime, 1);
                                }
                                if ($debugLimit){
                                        echo("\n                        <TR><TD
COLSPAN=3>What time: $whatTime</TD></TR>");
                                }
                                
                                echo("                        <TR>");
                                if ($chatmeeting){
                                        echo("                                <TD
ALIGN=CENTER VALIGN=TOP WIDTH=75><IMG SRC=visual/chatmeet.gif WIDTH=71
HEIGHT=36></TD>\n");
                                }
                                else{
                                        echo("                                
<TD></TD>\n");
                                }
                                echo("                                <TD
ALIGN=CENTER VALIGN=TOP>\n");
                                if ($bandweb != ''){
                                        echo("<A HREF=http://$bandweb>");
                                }
                                elseif ($bandemail != ''){
                                        echo("<A HREF=mailto:$bandemail>");
                                }
                                echo("<FONT FACE=\"Verdana,Helvetica,Arial\"
SIZE=7>$artist</FONT>");
                                if ($bandweb != '' || $bandemail != ''){
                                        echo("</A>");
                                }
                                echo("                                </TD>\n");
                                if ($whatTime != '' && $whatTime !=
$lastWhatTime){
                                        echo("                                
<TD><FONT FACE=\"Verdana,Helvetica,Arial\" SIZE=2>  $whatTime</FONT></TD>");
                                }
                                else{
                                        echo("                                
<TD></TD>\n");
                                }
                                echo("                        </TR>\n");
                                $lastWhatTime = $whatTime;
                                
                                if ($lastvenue != $venue){
                                        if ($chatmeeting){
                                                $venueString .= "                
        <TR><TD></TD><TD ALIGN=CENTER VALIGN=TOP><I>at</I></TD></TR>\n";
                                        }
                                        else{
                                                $venueString .= "                
        <TR><TD></TD><TD ALIGN=CENTER VALIGN=TOP><I>appearing at</I></TD></TR>
\n";
                                        }
                                        $venueString .= "                        
<TR>\n";
                                        if ($sponsoredReal){
                                                $venueString .= "                
                <TD ALIGN=CENTER VALIGN=TOP WIDTH=75><IMG
SRC=visual/chatevnt.gif WIDTH=72 HEIGHT=36></TD>\n";
                                        }
                                        else{
                                                $venueString .= "                
                <TD></TD>\n";
                                        }
                                        $venueString .= "                        
        <TD ALIGN=CENTER VALIGN=TOP>\n";
                                        if ($venueweb != ''){
                                                $venueString .= "                
                        <A HREF=http://$venueweb>";
                                        }
                                        elseif($venueemail != ''){
                                                $venueString .= "                
                        <A HREF=mailto:$venueemail>";
                                        }
                                        $venueString .= "<FONT FACE=
\"Verdana,Helvetica,Arial\" SIZE=7>$venue</FONT>";
                                        if ($venueweb != '' || $venueemail !=
''){
                                                $venueString .= "</A>";
                                        }
                                        if ($agesReal != '' || $coverReal > 0){
                                                $venueString .= "<BR>\n                
                        $agesReal";
                                                if ($coverReal != 0){
                                                $venueString .= "      
\$$coverReal";
                                                }
                                        }
                                        if ($detailsReal != ''){
                                                $venueString .= "<BR>\n                
                        <DIV ALIGN=LEFT>$detailsReal</DIV><BR>\n                
        ";
                                        }
                                        $venueString .= "\n                        
        </TD>\n";
                                        if ($membervenue){
                                                $venueString .= "                
                <TD ALIGN=CENTER VALIGN=TOP><IMG SRC=visual/member.gif></TD>";
                                        }
                                        else{
                                                $venueString .= "                
                <TD></TD>\n";
                                        }
                                        $venueString .= "                        
</TR>\n";
                                        $venueString .= "                        
<TR><TD COLSPAN=3><HR></TD></TR>\n";
                                }
                                $lastvenue = $venue;
                        }
                        
                        /* dump out that last venue */
                        echo("$venueString");
                         echo("                </TABLE></CENTER>\n");
                         include("toolbar.php");
                ?>
        </FONT></BODY>
</HTML>

// This is global.php
<?php
        $backText = "Use your back button to try again or <A
HREF=mailto:webmaster@yourserverhere.com>contact
webmaster@yourserverhere.com</A> if you think you received this message in
error.<BR>\n";
        $internalError = "<B>Copy this message and <A
HREF=webmaster@yourserverhere.com>Contact webmaster@yourserverhere.com
immediately!!!</A></B><BR>\n";
        
        $months[1] = "January";
        $months[2] = "February";
        $months[3] = "March";
        $months[4] = "April";
        $months[5] = "May";
        $months[6] = "June";
        $months[7] = "July";
        $months[8] = "August";
        $months[9] = "September";
        $months[10] = "October";
        $months[11] = "November";
        $months[12] = "December";
        
?>

// This is connect.php
<?php
        $host = "";
        $port = 5432;
        $options = "";
        $tty = "";
        $dbname = "chat";
        $user = 'www';
        $password = 'www';
        
        /* $connection = pg_Connect($host, $port, $options, $tty, $dbname); */
        $connection = pg_Connect("port=$port user=$user password=$password
dbname=$dbname");
        if (!$connection){
                echo("Couldn't connect to database $dbname on port $port at
host $host<BR>\n");
                if ($options != "" || $tty != ""){
                        echo("  (Options $options tty $tty)<BR>\n");
                }
                exit;
        }
?>



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