<?
/**************************************************************************
**
** example for PHP class: dutchclock
** That class is made is a learning aid for foreign students learning
** the Dutch language.
**
** Programmed and donated to the public domain
** by Rene Kluwen <rene.kluwen@chimit.nl>.
**
** Note:
** register_globals must be turned on for this example script to work properly.
**
***************************************************************************/
require("dutchclock.php");
// This function returns an optionlist with numbers between $min and $max included.
// If $default is given, that number will be selected by default.
function options($min, $max, $default = -1)
{
$res = "";
for ($i = $min; $i <= $max; $i++) {
$selected = (($i == $default) ? " selected" : "");
$res .= sprintf("<option value=\"%02d\"$selected>%02d</option>\n", $i, $i);
}
return $res;
}
switch ($cmd) {
case "show":
// show analog clock
$clock = new dutchclock($time);
$clock->show();
break;
default:
// set variables $hours, $minutes & $ampm when not given by GET or POST
if (empty($hours)) {
$hours = date("h");
}
if (empty($minutes)) {
$minutes = date("i");
}
if (empty($ampm)) {
$ampm = date("a");
}
// recalculate $hours to military time (24 hour clock)
if ($ampm == "pm") {
$hours = ($hours % 12) + 12;
}
else {
if ($hours == 12) {
$hours = "00";
}
}
// $time will be the string passed to the class constructor
$time = "$hours:$minutes";
// $utime will be $time, but usable as url parameter
$utime = urlencode($time);
// $tmphours is $hours, calculated back to a 12 hour clock
$tmphours = $hours % 12;
if ($tmphours == 0) $tmphours = 12;
$allhours = options(1, 12, $tmphours);
$allminutes = options(0, 59, $minutes);
$amselected = (($ampm == "am") ? " selected" : "");
$pmselected = (($ampm == "pm") ? " selected" : "");
// the following two lines are the core of this script
$clock = new dutchclock($time);
$dutchtime = $clock->dutchtime();
// and output the data in a page
echo <<<EOH
<html>
<head>
<title>Dutch Clock</title>
</head>
<body>
<p>
Dutch Clock
</p>
<p>
Military time: <b>$time</b>.
</p>
<embed src="example.php?cmd=show&time=$utime" quality=high loop=false pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width=150 height=150></embed>
<p>
In Dutch: <i>$dutchtime</i>.
</p>
<p>
<form action="example.php" method="get">
Enter new time:
<select name="hours">
$allhours
</select>
:
<select name="minutes">
$allminutes
</select>
<select name="ampm">
<option value="am"$amselected>am</option>
<option value="pm"$pmselected>pm</option>
</select>
<input type="submit" value="Go!"/>
</form>
</p>
</body>
</html>
EOH;
break;
}
?>
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