Calendars
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<?php
/*
* day objects are not real objects, just arrays.
* $calendar->nextDay();
* $day = $calendar->currentDay;
* $day[0] = date, $day[1] = day of week
*
* function DaysInMonth taken from php mailing list
* posted by John Coggeshall
*/
class XCalendar {
var $MAX_DAYS;
var $dayPointer = 0;
var $weekPointer = 0;
var $currentDay;
var $dayArray = array();
var $skipEnds =false;
var $ERR_MSG;
//**********************
// constructors & inits
//**********************
function XCalendar($month,$year) {
$tmp = date("d | w",mktime(0,0,0,$month,1,$year));
$firstDay = explode(" | ",$tmp);
$this->MAX_DAYS = $this->DaysInMonth($month,$year);
// fill in week with blanks until first of month
for($x=0; $x < $firstDay[1]; $x++) {
$this->dayArray[] = array("",-1);
}
// fill in rest of days
$y = $firstDay[1];
for($x=1; $x <= $this->MAX_DAYS; $x++) {
$this->dayArray[] = array($x,$y);
if( $y == 6 ) {$y = 0;} else { $y++;}
}
for($x=$y;$x <= 6; $x++) {
$this->dayArray[] = array("",-1);
}
}
//*********
// methods
//*********
function nextDay() {
if( $this->dayPointer > count($this->dayArray) ) {
$this->ERR_MSG = "no more days";
$this->currentDay = array("",-1);
return false;
}
$curDay = $this->dayArray[$this->dayPointer];
if( $this->skipEnds ) {
if( $curDay[1] == 6 ) { $this->dayPointer +=2 ;}
if( $curDay[1] == 0 ) { $this->dayPointer ++; }
$curDay = $this->dayArray[$this->dayPointer];
}
$this->dayPointer++;
$this->currentDay = $curDay;
return true;
}
function hasMoreDays() {
return ($this->dayPointer < count($this->dayArray));
}
function DaysInMonth($month,$year)
{
return
31-((($month-(($month<8)?1:0))%2)+(($month==2)?((!($year%((!($year%100))?400
:4)))?1:2):0));
}
}
?>
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Usage Example
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function constructTable($m,$y) {
include("XCalendar.php");
$calendar = new XCalendar($m,$y);
$HTML = "<table border=2>n";
while($calendar->hasMoreDays()) {
$HTML .=" <tr>";
for($z=0;$z < 7; $z++) {
$calendar->nextDay();
$day = $calendar->currentDay;
if( $day[1] == 6 || $day[1] == 0 ) {
$HTML .= "<td bgcolor="#C0C0C0">".$day[0]."</td>";
} else {
$HTML .= "<td>".$day[0]."</td>";
}
}
$HTML .=" </tr>nn";
}
$HTML .="</table>n";
return $HTML;
}
$july = constructTable(7,2000);
print $july;
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