Php accurately calculates the Easter date. php Easter date _ PHP Tutorial

Php accurately calculates the Easter date, and php Easter date. Php accurately calculates the Easter date. This article describes how php accurately calculates the Easter date. Share it with you for your reference. Details: PHPfunc php: how to accurately calculate the Easter date, php Easter date

This article describes how php accurately calculates the Easter date. Share it with you for your reference. The details are as follows:

<?PHPfunction isLeapYear( $nYEAR ) { if((($nYEAR % 4 == 0) AND !($nYEAR % 100 == 0)) AND ($nYEAR % 400 != 0)) {  return TRUE; } else {  return FALSE; }}function p( $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 = p( $nYEAR, 100 ) + 1;  $nKSJ = p( 3 * $nJHD, 4 ) - 12;  $nKORR = p( 8 * $nJHD + 5, 25 ) - 5;  $nSO = p( 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 = p( 20 * $nNM, 611 ) - 2;  // Day  $nNT = $nN;  $nNT = $nN;  if ( $nNT > ( 59 + $nA )) {   $nNT = $nNT + 2 - $nA;  }  $nNT = $nNT + 91;  $nM = p( 20 * $nNT, 611 );  $nDAY = $nNT - p( 611 * $nM, 20 );  $dtEasterSunday = mktime( 0,0,0,$nMONTH,$nDAY,$nYEAR ); } return $dtEasterSunday;}?>

I hope this article will help you with php programming.

The example in this article describes how php accurately calculates the Easter date. Share it with you for your reference. Details: PHPfunc...