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Title : PHP Calendar
Categories : PHP, Calendar, Date Time, Java Script, CSS Click here to Update Your Picture
Warren Gutierrez
Date : Aug 09th 2005
Grade : 3 of 5 (graded 11 times)
Viewed : 45151
File : No file for this code example.
Images : No Images for this code example.
Search : More code by Warren Gutierrez
Action : Grade This Code Example
Tools : My Examples List
Code

  Submit your own code examples 
 

A sample calendar, check it out:

The calling form (index.php):
<html>
<head>
</head>

<body>
<form name="frmMain" method="post">
Date: <input type="text" name="txtDate" value="mm/dd/yyyy" size="15" maxlength="10"> 
<input type="button" name="cmdCal" value="Launch Calendar" onClick='javascript:window.open("calendar.php?form=frmMain&field=txtDate","","top=50,left=400,width=175,height=140,menubar=no,toolbar=no,scrollbars=no,resizable=no,status=no"); return false;'>
</form>
</body>
</html>


The calendar php script (calendar.php):

<?php
// Get values from query string
$day = $_GET["day"];
$month = $_GET["month"];
$year = $_GET["year"];
$sel = $_GET["sel"];
$what = $_GET["what"];
$field = $_GET["field"];
$form = $_GET["form"];

if($day == "") $day = date("j");

if($month == "") $month = date("m");

if($year == "") $year = date("Y");

$currentTimeStamp = strtotime("$year-$month-$day");
$monthName = date("F", $currentTimeStamp);
$numDays = date("t", $currentTimeStamp);
$counter = 0;
/*$numEventsThisMonth = 0;
$hasEvent = false;
$todaysEvents = "";*/
?>
<html>
<head>
<title>MyCalendar</title>
<link rel="stylesheet" type="text/css" href="calendar.css">
<script language="javascript">
    function goLastMonth(month,year,form,field)
    {
        // If the month is January, decrement the year.
        if(month == 1)
    {
    --year;
    month = 13;
    }       
        document.location.href = 'calendar.php?month='+(month-1)+'&year='+year+'&form='+form+'&field='+field;
    }
   
    function goNextMonth(month,year,form,field)
    {
        // If the month is December, increment the year.
        if(month == 12)
    {
    ++year;
    month = 0;
    }   
        document.location.href = 'calendar.php?month='+(month+1)+'&year='+year+'&form='+form+'&field='+field;
    }
   
    function sendToForm(val,field,form)
    {
        // Send back the date value to the form caller.
        eval("opener.document." + form + "." + field + ".value='" + val + "'");
        window.close();
    }
</script>
</head>
<body style="margin:0px 0px 0px 0px" class="body">
<table width='175' border='0' cellspacing='0' cellpadding='0' class="body">
    <tr>
        <td width='25' colspan='1'>
        <input type='button' class='button' value=' < ' onClick='<?php echo "goLastMonth($month,$year,\"$form\",\"$field\")"; ?>'>
        </td>
        <td width='125' align="center" colspan='5'>
        <span class='title'><?php echo $monthName . " " . $year; ?></span><br>
        </td>
        <td width='25' colspan='1' align='right'>
        <input type='button' class='button' value=' > ' onClick='<?php echo "goNextMonth($month,$year,\"$form\",\"$field\")"; ?>'>
        </td>
    </tr>
    <tr>
        <td class='head' align="center" width='25'>S</td>
        <td class='head' align="center" width='25'>M</td>
        <td class='head' align="center" width='25'>T</td>
        <td class='head' align="center" width='25'>W</td>
        <td class='head' align="center" width='25'>T</td>
        <td class='head' align="center" width='25'>F</td>
        <td class='head' align="center" width='25'>S</td>
    </tr>
    <tr>
<?php
    for($i = 1; $i < $numDays+1; $i++, $counter++)
    {
        $timeStamp = strtotime("$year-$month-$i");
        if($i == 1)
        {
        // Workout when the first day of the month is
        $firstDay = date("w", $timeStamp);
       
        for($j = 0; $j < $firstDay; $j++, $counter++)
        echo "<td> </td>";
        }
       
        if($counter % 7 == 0)
        echo "</tr><tr>";
       
        if(date("w", $timeStamp) == 0)

        $class = "class='weekend'";
        else
        if($i == date("d") && $month == date("m") && $year == date("Y"))
        $class = "class='today'";
        else
        $class = "class='normal'";
       
        echo "<td class='tr' bgcolor='#ffffff' align='center' width='25'><a class='buttonbar' href='#' onclick=\"sendToForm('".sprintf("%02d/%02d/%04d", $month, $i, $year)."','$field','$form');\"><font $class>$i</font></a></td>";
    }
?>
    </tr>
</table>
</body>
</html>


Want the CSS?

Here it is (calendar.css):
.body {
font-family: Verdana;
background-color : #ACACAC;;
}

.tr {
background-color : #ACACAC;
}

.th {
font-family: Verdana;
}

a.buttonbar:link, a.buttonbar:visited {
  font-size        : 9px;
  padding-top      : 1px;
  padding-bottom   : 1px;
  text-decoration  : none;
  background-color : #ACACAC;
  color            : #FFFFFF
}
a.buttonbar:hover {
  padding-top      : 1px;
  padding-bottom   : 1px;
  background-color : #CCCCCC;
  color            : #FFFFFF
}
.normal {
font-family: Verdana;
font-size: 8pt;
color: #000000;
}
.today {
font-family: Verdana;
font-size: 8pt;
font-weight:bold;
color:#000066;
background-color: #CACACA;
}
.weekend {
font-family: Verdana;
font-size: 8pt;
color:#FF0000;
}
.selected {
font-family: Verdana;
font-size: 8pt;
color: #FFFFFF;
background-color: #C00000;
}
.event {
font-family: Verdana;
font-size: 8pt;
color: #000000;
background-color: #C6D1DC;
}
.head {
color:#CCCCCC;
font:Arial, Helvetica, sans-serif;
font-size:12px;
font-weight:500;
background-color:#000066;
}
.title {
color:#000066;
font:Arial, Helvetica, sans-serif;
font-size:12px;
font-weight:bold;
}
.button {
  font-family      : Verdana, Arial, Helvetica, sans-serif;
  font-style       : normal;
  font-weight      : bold;
  font-size        : 10px;
  color            : #000000;
  background-color : #F0F0F0;
  border           : 1px solid #000066;
}


If there is any comments or suggestions, feel free to email me @ warren.gutierrez@gmail.com..... ('',)

Enjoy!
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User Comments
 Max Kipness wrote :1346
This did not seem to work because you were not checking to see if the variables were set in index.php. I`ve corrected this and now the code worked. Other than that it works good.

Revised index.php

&lt;?php
// Get values from query string
if (isset($_GET["day"])) $day = $_GET["day"];
if (isset($_GET["month"]))$month = $_GET["month"];
if (isset($_GET["year"]))$year = $_GET["year"];
if (isset($_GET["sel"]))$sel = $_GET["sel"];
if (isset($_GET["what"]))$what = $_GET["what"];
if (isset($_GET["field"]))$field = $_GET["field"];
if (isset($_GET["form"]))$form = $_GET["form"];

if (!isset($day)) $day = date("j");

if (!isset($month)) $month = date("m");

if (!isset($year)) $year = date("Y");

$currentTimeStamp = strtotime("$year-$month-$day");
$monthName = date("F", $currentTimeStamp);
$numDays = date("t", $currentTimeStamp);
$counter = 0;
/*$numEventsThisMonth = 0;
$hasEvent = false;
$todaysEvents = "";*/
?&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;MyCalendar&lt;/title&gt;
&lt;link rel="stylesheet" type="text/css" href="calendar.css"&gt;
&lt;script language="javascript"&gt;
    function goLastMonth(month,year,form,field)
    {
        // If the month is January, decrement the year.
        if(month == 1)
    {
    --year;
    month = 13;
    }
        document.location.href = `calendar.php?month=`+(month-1)+`&year=`+year+`&form=`+form+`&field=`+field;
    }

    function goNextMonth(month,year,form,field)
    {
        // If the month is December, increment the year.
        if(month == 12)
    {
    ++year;
    month = 0;
    }
        document.location.href = `calendar.php?month=`+(month+1)+`&year=`+year+`&form=`+form+`&field=`+field;
    }

    function sendToForm(val,field,form)
    {
        // Send back the date value to the form caller.
        eval("opener.document." + form + "." + field + ".value=`" + val + "`");
        window.close();
    }
&lt;/script&gt;
&lt;/head&gt;
&lt;body style="margin:0px 0px 0px 0px" class="body"&gt;
&lt;table width=`175` border=`0` cellspacing=`0` cellpadding=`0` class="body"&gt;
    &lt;tr&gt;
        &lt;td width=`25` colspan=`1`&gt;
        &lt;input type=`button` class=`button` value=` &lt; ` onClick=`&lt;?php echo "goLastMonth($month,$year,\"$form\",\"$field\")"; ?&gt;`&gt;
        &lt;/td&gt;
        &lt;td width=`125` align="center" colspan=`5`&gt;
        &lt;span class=`title`&gt;&lt;?php echo $monthName . " " . $year; ?&gt;&lt;/span&gt;&lt;br&gt;
        &lt;/td&gt;
        &lt;td width=`25` colspan=`1` align=`right`&gt;
        &lt;input type=`button` class=`button` value=` &gt; ` onClick=`&lt;?php echo "goNextMonth($month,$year,\"$form\",\"$field\")"; ?&gt;`&gt;
        &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td class=`head` align="center" width=`25`&gt;S&lt;/td&gt;
        &lt;td class=`head` align="center" width=`25`&gt;M&lt;/td&gt;
        &lt;td class=`head` align="center" width=`25`&gt;T&lt;/td&gt;
        &lt;td class=`head` align="center" width=`25`&gt;W&lt;/td&gt;
        &lt;td class=`head` align="center" width=`25`&gt;T&lt;/td&gt;
        &lt;td class=`head` align="center" width=`25`&gt;F&lt;/td&gt;
        &lt;td class=`head` align="center" width=`25`&gt;S&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
&lt;?php
    for($i = 1; $i &lt; $numDays+1; $i++, $counter++)
    {
        $timeStamp = strtotime("$year-$month-$i");
        if($i == 1)
        {
        // Workout when the first day of the month is
        $firstDay = date("w", $timeStamp);

        for($j = 0; $j &lt; $firstDay; $j++, $counter++)
        echo "&lt;td&gt; &lt;/td&gt;";
        }

        if($counter % 7 == 0)
        echo "&lt;/tr&gt;&lt;tr&gt;";

        if(date("w", $timeStamp) == 0)

        $class = "class=`weekend`";
        else
        if($i == date("d") && $month == date("m") && $year == date("Y"))
        $class = "class=`today`";
        else
        $class = "class=`normal`";

        echo "&lt;td class=`tr` bgcolor=`#ffffff` align=`center` width=`25`&gt;&lt;a class=`buttonbar` href=`#` onclick=\"sendToForm(`".sprintf("%02d/%02d/%04d", $month, $i, $year)."`,`$field`,`$form`);\"&gt;&lt;font $class&gt;$i&lt;/font&gt;&lt;/a&gt;&lt;/td&gt;";
    }
?&gt;
    &lt;/tr&gt;
&lt;/table&gt;
&lt;/body&gt;
&lt;/html&gt;