Language: PHP Highlight Mode: PHP Last Modified: March 16th, 2009
<?PHPFUNCTION isLeapYear($nYEAR){IF((($nYEAR%4==0) AND !($nYEAR%100==0)) AND ($nYEAR%400!=0)){RETURNTRUE;}ELSE{RETURNFALSE;}}FUNCTION div($a,$b){RETURN($a-($a%$b))/$b;}FUNCTION easterSunday($nYEAR){// The function is able to calculate the date of eastersunday back to the year 325, // but mktime() starts at 1970-01-01! IF($nYEAR<1970){$dtEasterSunday=MKTIME(1,1,1,1,1,1970);}ELSE{$nGZ=($nYEAR%19)+1;$nJHD= div($nYEAR,100)+1;$nKSJ= div(3*$nJHD,4)-12;$nKORR= div(8*$nJHD+5,25)-5;$nSO= div(5*$nYEAR,4)-$nKSJ-10;$nEPAKTE=((11*$nGZ+20+$nKORR-$nKSJ)%30);IF(($nEPAKTE==25 OR $nGZ==11) AND $nEPAKTE==24){$nEPAKTE=$nEPAKTE+1;}$nN=44-$nEPAKTE;IF($nN<21){$nN=$nN+30;}$nN=$nN+7-(($nSO+$nN)%7);$nN=$nN+ isLeapYear($nYEAR);$nN=$nN+59;$nA= isLeapYear($nYEAR);// Month $nNM=$nN;IF($nNM>(59+$nA)){$nNM=$nNM+2-$nA;}$nNM=$nNM+91;$nMONTH= div(20*$nNM,611)-2;// Day $nNT=$nN;$nNT=$nN;IF($nNT>(59+$nA)){$nNT=$nNT+2-$nA;}$nNT=$nNT+91;$nM= div(20*$nNT,611);$nDAY=$nNT- div(611*$nM,20);$dtEasterSunday=MKTIME(0,0,0,$nMONTH,$nDAY,$nYEAR);}RETURN$dtEasterSunday;}?>
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