Code Examples -> function to generate calendars on the fly.

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PHP Code Examples

Title :	function to generate calendars on the fly.
Categories :	Calendar, PHP, Date Time	James Whiddon
Date :	Dec 01st 1999
Grade :	2 of 5 (graded 6 times)
Viewed :	17086
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by James Whiddon
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?

function makecal($stmonth, $styear) {

###################################
## define variables-little cleaner
## than mucking over the code to
## change stuff
##

$face = "verdana"; ## font face for all text
$size = "1"; ## font size for all text
$height = "22"; ## cell height
$width = "22"; ## cell width
$todaycolor = "#CC0000"; ## font color for the current date
$inmonthface = "#000000"; ## font color for days in the display month
$outmonthface = "#666666"; ## font color for days not in the display month
$inbgcolor = "#FFFFCC"; ## cell bgcolor for days in the display month
$outbgcolor = "#FFCCFF"; ## cell bgcolor for days not in display month

###################################
## make workie code stuph
##

$stdate = mktime(0,0,0,$stmonth,1,$styear);
$startdate = $currdate = mktime(0,0,0,$stmonth,1 - date("w", mktime(0,0,0,$stmonth,1,$styear)),$styear);
$enddate = mktime(0,0,0,date("m",$stdate) + 1,7 - date("w", mktime(0,0,0,$stmonth + 1,0,$styear)),$styear);

echo "<table border=1 cellpadding=1 cellspacing=0>\n";
echo "<tr>\n<th colspan=7 height=\"$height\"><font face=\"$face\" size=\"$size\">" . date("F",$stdate) . " " . date
("Y",$stdate) . "</th>\n</tr>\n";
echo "<tr>\n<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">Su</th>\n";
echo "<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">Mo</th>\n";
echo "<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">Tu</th>\n";
echo "<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">We</th>\n";
echo "<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">Th</th>\n";
echo "<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">Fr</th>\n";
echo "<th width=\"$width\" height=\"$height\" valign=\"middle\" align=\"center\"><font face=\"$face\"
size=\"$size\">Sa</th>\n</tr>\n";

$i=0;
while ($currdate < $enddate) {
echo "<tr>\n";
for ($c = 0; $c < 7; $c++) {
if (date("m",$stdate) == date("m",$currdate)) {
$bgcolor = $inbgcolor;
} else {
$bgcolor = $outbgcolor;
}
if (date("d",$currdate) == date("d") && date("m",$currdate) == date("m") && date("Y",$currdate) == date
("Y")) {
$fcolor = $todaycolor;
} elseif (date("m",$currdate) == date("m",$stdate) && date("Y",$currdate) == date("Y",$stdate)) {
$fcolor = $inmonthface;
} else {
$fcolor = $outmonthface;
}
echo "<td align=\"center\" height=\"$height\" width=\"$width\" valign=\"middle\" bgcolor=\"$bgcolor\"><font
face=\"$face\" size=\"$size\"
color=\"$fcolor\">";
echo date ("j",$currdate);
echo "</font></td>\n";
$i++;
$currdate = mktime(0,0,0,date("m",$startdate),date("d",$startdate) + $i,date("Y",$startdate));
}
echo "</tr>\n";
}
echo "</table>";

}

###################################
## example usage
##

echo "<html><head></head><body bgcolor=\"#ffffff\">\n\n";
echo "<form action=cal.php3 method=post>\n";
echo "<select name=stmonth>\n";
echo "<option>1\n";
echo "<option>2\n";
echo "<option>3\n";
echo "<option>4\n";
echo "<option>5\n";
echo "<option>6\n";
echo "<option>7\n";
echo "<option>8\n";
echo "<option>9\n";
echo "<option>10\n";
echo "<option>11\n";
echo "<option>12\n";
echo "</select>\n";
echo "<select name=styear>\n";
echo "<option>1999\n";
echo "<option>2000\n";
echo "<option>2001\n";
echo "<option>2002\n";
echo "<option>2003\n";
echo "<option>2029\n";
echo "</select>\n";
echo "<input type=submit value=\"show cal\">\n<input type=submit name=source value=\"view source\">\n</form>\n\n";
echo "<BR>\n\n";

if ($stmonth && $styear && empty($source)) {
echo makecal($stmonth,$styear);
} elseif (empty($source)) {
echo makecal(date("m"),date("Y"));
} else {
echo "<code><font size=1>\n";
show_source("cal.php3");
echo "</font></code>\n";
}

echo "</body>\n</html>";

?>

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User Comments

	James Whiddon wrote : 169 `oops. i forgot to add the \ before the " starting at line 32 after the $face variable. sorry.`
	Paul Meagher wrote : 280 `This calender does not appear to work correctly as of March 2000. Might be some type of leap year problem.`
	Buddy Fortner wrote : 293 I can`t get it to work either. should it copy and paste "as is", or is there some edits to make?
	James Whiddon wrote : 374 `What types of problems are you having? It seems to be working on my machine.`
	Rod wrote : 385 `Where is cal.php3??????`
	pierre-yves lemaire wrote : 429 `It does not work after march 2000, Did someone find out the problem ? It keeps giving me january of 1999 when I try anything after march 2000. py`
	Dimitrios Zinas wrote :830 `It works ok just the list writes 1999. If you want update e-mailme...`