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Title : Web Self Service Resource Scheduler Using php3 and MySQL
Categories : PHP, Complete Programs, MySQL Update Picture
Greg Kelley
Date : Jan 13th 2000
Grade : Be the 1st to grade this Code Example
Viewed : 5816
File : websched.TAR
Images : No Images for this code example.
Search : More code by Greg Kelley
Action : Grade This Code Example
Tools : My Examples List
Code

  Submit your own code examples 
 

A complete self-service resource scheduler. Good examples of creating a calendar from
scratch and using cookies to create 'session' variables. Code for mail page below, complete
code in websched.tar file attached.

<?

require("config.inc");
require("datefunc.php3");

$conn=mysql_pconnect($host,$user,$pwd);
mysql_select_db($db,$conn);

if ($add=="Add")
{
header("Location: addrec.php3");
        exit;
}

$tdate=strftime("Y-m-d");

$Sched_yr=$HTTP_COOKIE_VARS["Sched_yr"];

if ($Sched_yr=="")
{
$tyr=sprintf("%d",strftime("%Y"));
setCookie("Sched_yr",$tyr,0,"/",$SERVER_NAME,0);
$Sched_yr=$tyr;
}
else
{
$tyr=$Sched_yr;
}

$Sched_mth=$HTTP_COOKIE_VARS["Sched_mth"];

if ($Sched_mth=="")
{
$tmth=sprintf("%d",strftime("%m"));
setCookie("Sched_mth",$tmth,0,"/",$SERVER_NAME,0);
$Sched_mth=$tmth;
}
else
{
$tmth=$Sched_mth;
}


// Calculate Current Month entering w/o Prev/Next
if ($Sched_mth!="")
{
$nmth=$tmth+1;
$nyr=$tyr;
}
else
{
$nmth=sprintf("%d",strftime("%m"))+1;
$nyr=sprintf("%d",strftime("%Y"));
}

if ($nmth==13)
{
$nmth=1;
$nyr=$nyr+1;
}

$ndate=$nyr."-".$nmth."-1";

if ($Sched_mth!="")
{
$cmth=$tmth;
$cyr=$tyr;
}
else
{
$cmth=strftime("%m");
$cyr=strftime("%Y");
}

$cdate=$cyr."-".$cmth."-1";
$mdays=datediff("d",$ndate,$cdate);
$tday=strftime("%w",mktime(0,0,0,$cmth,1,$tyr))+1;
$mstr=strftime("%B",mktime(0,0,0,$tmth,1,$tyr));


if ($nxt=="Next")
{
$tmth=$tmth+1;
if ($tmth==13)
{
$tmth=1;
$tyr=$tyr+1;
}

setCookie("Sched_mth",$tmth,0,"/",$SERVER_NAME,0);
setCookie("Sched_yr",$tyr,0,"/",$SERVER_NAME,0);

$tdate=$tyr."-".$tmth."-01";
$mstr=strftime("%B",mktime(0,0,0,$tmth,1,$tyr));

// compute days in month
$nmth=$tmth+1;
$nyr=$tyr;
if ($nmth==13)
{
$nmth=1;
$nyr=$nyr+1;
}
$ndate=$nyr."-".$nmth."-01";
$mdays=datediff("d",$ndate,$tdate);
$tday=strftime("%w",$tdate)-1;
$tday=strftime("%w",mktime(0,0,0,$tmth,1,$tyr))+1;
}


if ($prv=="Prev")
{
$tmth=$tmth-1;
if ($tmth==0)
{
$tmth=12;
$tyr=$tyr-1;
}

setCookie("Sched_mth",$tmth,0,"/",$SERVER_NAME,0);
setCookie("Sched_yr",$tyr,0,"/",$SERVER_NAME,0);

$tdate=$tyr."-".$tmth."-01";
$mstr=strftime("%B",mktime(0,0,0,$tmth,1,$tyr));

// compute days in month
$nmth=$tmth+1;
$nyr=$tyr;
if ($nmth==13)
{
$nmth=1;
$nyr=$nyr+1;
}
$ndate=$nyr."-".$nmth."-01";
$mdays=datediff("d",$ndate,$tdate);
$tday=strftime("%w",mktime(0,0,0,$tmth,1,$tyr))+1;
}


$sql="SELECT * FROM Sched WHERE month(schdate) = ".$tmth;
$result=mysql_query($sql,$conn);

for ($i=1; $i<=31; $i=$i+1)
{
$daysched[$i]=FALSE;
if (mysql_num_rows($result)>0)
{
mysql_data_seek($result,0);
while($rs=mysql_fetch_array($result))
{
$ty=strtok($rs["schdate"],"-");
$tm=strtok("-");
$td=strtok("-");
if ($tm==$tmth && $td==$i && $ty==$tyr)
{
$daysched[$i]=TRUE;
break;
}
}
}
}

?>

<html>
<head>
<title>Web Scheduler</title>
</head>
<body background="/images/white.jpg" bgcolor="Silver"><font face="Arial,Helv,Helvetica">

<center><font size="+3" color="Maroon"><strong>Web Scheduler</strong>
</font><br>
<font size="+2" color="Blue"><b><? echo $mstr; ?> <? echo $tyr; ?></b>

<form action="default.php3" method="POST">
<table border=1 cellspacing=2 bgcolor="white" bordercolor="Silver">

<tr>
<td align="center"><font size="+2">
<!---<input type="submit" name="prv" value="Prev"></td>--->
<a href="default.php3?prv=Prev"><img src="Prev.jpg" border="0"></a></td>
<td> </td>
<td> </td>
<td align="center"><font size="+2">
<!---<input type="submit" name="add" value="Add"></td>--->
<a href="addrec.php3"><img src="Add.jpg" border="0"></a></td>
<td> </td>
<td> </td>
<!---<td align="center"><font size="+2">
<input type="submit" name="upd" value="Upd"></td>
<td>&nbsp;</td> --->
<td align="center"><font size="+2">
<!---<input type="submit" name="nxt" value="Next"></td>--->
<a href="default.php3?nxt=Next"><img src="Next.jpg" border="0"></a></td>
</tr>

<tr>
<td align="center"><font size="+2">Sun</td>
<td align="center"><font size="+2"> Mon </td>
<td align="center"><font size="+2"> Tue </td>
<td align="center"><font size="+2">Wed</td>
<td align="center"><font size="+2"> Thu </td>
<td align="center"><font size="+2">  Fri  </td>
<td align="center"><font size="+2">Sat</td>
</tr>

<? $i=1;
$j=0;
while($i<43)
{
if ($i==1 || $i==8 || $i==15 || $i==22 || $i==29 || $i==36)
{ ?>
<tr>
<? }
$j=$j+1;
if ($i<$tday || $j>$mdays)
{
$j=$j-1; ?>
<td align = "center"><font size="+2">   </td>
<? }
else
{
if ($daysched[$j])
{
$tdate=$tyr."-".$tmth."-".$j;
if ($j==strftime("%d") && $tmth==strftime("%m") && $tyr==strftime("%Y"))
{ ?>
<td align="center" bgcolor="silver"><font size="+2"><b>
<a href = "daysched.php3?rdate=<? echo $tdate; ?>"><? echo $j; ?></a></font>
</b></td>
<? }
else
{ ?>
<td align="center" bgcolor="white"><font size="+2"><b>
<a href = "daysched.php3?rdate=<? echo $tdate; ?>"><? echo $j; ?></a></font>
</b></td>
<? }
}
else
{
if ($j==strftime("%d") && $tmth==strftime("%m") && $tyr==strftime("%Y"))
{ ?>
<td align="center" bgcolor="silver"><font size="+2" color="Green">
<b><? echo $j; ?></b></td>
<? }
else
{ ?>
<td align="center" bgcolor="white"><font size="+2" color="Green">
<b><? echo $j; ?></b></td>
<? }
}
}
if ($i==7 || $i==14 || $i==21 || $i==28 || $i==35)
{ ?>
</tr>
<? }
$i=$i+1;
}
?>

</table>
</center></form>
<img src="/icons/redhatpb.gif" border="0"> <img src="/icons/apache_pb.gif"
border="0"> 
<img src="/icons/mysql.gif" border="0"> <img src="/icons/php.gif" border="0">
<p>
<font size="1" color="Black">
Please report any problems to <a href="mailto:gkelley@usnhmail.unh.edu">Greg Kelley</a>
</body>
</html>





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User Comments
 Greg Kelley wrote : 172
Small Fix to addupd.php:

Change if ($rs["resource"]==$trec)

to:

if ($rs["resource"]==$trec && $rs["ID"]!=$tid)
 
 Greg Kelley wrote : 185
Rename config.inc to sched.inc and change references in 
all .php files of config.inc to sched.inc, or change 
references to config.inc only and leave filename alone. 		 
 jeff margel wrote :607
Gives me a `supplied agrument is not a valid mysql result resource error:

if (mysql_num_rows($result)&gt;0) 

any idea????