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DateOfEaster.php
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DateOfEaster.php
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<?php
error_reporting(E_ALL);
ini_set("display_errors", 1);
ini_set('date.timezone', 'Europe/Vatican');
include_once( 'includes/enums/LitLocale.php' );
$LOCALE = isset($_GET["locale"]) && LitLocale::isValid($_GET["locale"]) ? $_GET["locale"] : LitLocale::LATIN;
if(file_exists('engineCache/easter/' . $LOCALE . '.json') ){
header('Content-Type: application/json');
echo file_get_contents('engineCache/easter/' . $LOCALE . '.json');
die();
}
include_once( 'includes/LitFunc.php' );
include_once( 'includes/LitMessages.php' );
$baseLocale = Locale::getPrimaryLanguage($LOCALE);
$localeArray = [
$LOCALE . '.utf8',
$LOCALE . '.UTF-8',
$LOCALE,
$baseLocale . '_' . strtoupper( $baseLocale ) . '.utf8',
$baseLocale . '_' . strtoupper( $baseLocale ) . '.UTF-8',
$baseLocale . '_' . strtoupper( $baseLocale ),
$baseLocale . '.utf8',
$baseLocale . '.UTF-8',
$baseLocale
];
setlocale( LC_ALL, $localeArray );
$dayOfTheWeekDayMonthYear = IntlDateFormatter::create( $LOCALE, IntlDateFormatter::FULL, IntlDateFormatter::NONE, 'UTC', IntlDateFormatter::GREGORIAN, "EEEE d MMMM yyyy" );
$dayMonthYear = IntlDateFormatter::create( $LOCALE, IntlDateFormatter::FULL, IntlDateFormatter::NONE, 'UTC', IntlDateFormatter::GREGORIAN, "d MMMM yyyy" );
$dayOfTheWeek = IntlDateFormatter::create( $LOCALE, IntlDateFormatter::FULL, IntlDateFormatter::NONE, 'UTC', IntlDateFormatter::GREGORIAN, "EEEE" );
$EasterDates = new stdClass();
$EasterDates->DatesArray = [];
$last_coincidence = "";
$dateLastCoincidence = null;
for($i=1583;$i<=9999;$i++){
$EasterDates->DatesArray[$i-1583] = new stdClass();
$gregorian_easter = LitFunc::calcGregEaster( $i );
$julian_easter = LitFunc::calcJulianEaster( $i );
$western_julian_easter = LitFunc::calcJulianEaster( $i, true );
$same_easter = false;
if($gregorian_easter->format( 'l, F jS, Y' ) === $western_julian_easter->format( 'l, F jS, Y' ) ) {
$same_easter = true;
$last_coincidence = $gregorian_easter->format( 'l, F jS, Y' );
$dateLastCoincidence = $gregorian_easter;
}
$gregDateString = "";
$julianDateString = "";
$westernJulianDateString = "";
switch (strtoupper($baseLocale)) {
case LitLocale::LATIN:
$month = (int)$gregorian_easter->format('n'); //n = 1-January to 12-December
$monthLatin = LitMessages::LATIN_MONTHS[$month];
$gregDateString = 'Dies Domini, ' . $gregorian_easter->format('j') . ' ' . $monthLatin . ' ' . $gregorian_easter->format('Y');
$month = (int)$julian_easter->format('n'); //n = 1-January to 12-December
$monthLatin = LitMessages::LATIN_MONTHS[$month];
$julianDateString = 'Dies Domini, ' . $julian_easter->format('j') . ' ' . $monthLatin . ' ' . $julian_easter->format('Y');
$month = (int)$western_julian_easter->format('n'); //n = 1-January to 12-December
$monthLatin = LitMessages::LATIN_MONTHS[$month];
$westernJulianDateString = 'Dies Domini, ' . $western_julian_easter->format('j') . ' ' . $monthLatin . ' ' . $western_julian_easter->format('Y');
break;
case 'EN':
$gregDateString = $gregorian_easter->format('l, F jS, Y');
$julianDateString = 'Sunday' . $julian_easter->format(', F jS, Y');
$westernJulianDateString = $western_julian_easter->format('l, F jS, Y');
break;
default:
$gregDateString = $dayOfTheWeekDayMonthYear->format( $gregorian_easter->format('U') );
$julianDateString = $dayOfTheWeek->format( $gregorian_easter->format('U') ) . ', ' . $dayMonthYear->format( $julian_easter->format('U') );
$westernJulianDateString = $dayOfTheWeekDayMonthYear->format( $western_julian_easter->format('U') );
}
$EasterDates->DatesArray[$i-1583]->gregorianEaster = $gregorian_easter->format('U');
$EasterDates->DatesArray[$i-1583]->julianEaster = $julian_easter->format('U');
$EasterDates->DatesArray[$i-1583]->westernJulianEaster = $western_julian_easter->format('U');
$EasterDates->DatesArray[$i-1583]->coinciding = $same_easter;
$EasterDates->DatesArray[$i-1583]->gregorianDateString = $gregDateString;
$EasterDates->DatesArray[$i-1583]->julianDateString = $julianDateString;
$EasterDates->DatesArray[$i-1583]->westernJulianDateString = $westernJulianDateString;
}
$EasterDates->lastCoincidenceString = $dateLastCoincidence->format( 'l, F jS, Y' );
$EasterDates->lastCoincidence = $dateLastCoincidence->format( 'U' );
if ( !is_dir( 'engineCache/easter/' ) ) {
mkdir( 'engineCache/easter/', 0774, true );
}
file_put_contents( 'engineCache/easter/' . $LOCALE . '.json', json_encode( $EasterDates ) );
header('Content-Type: application/json');
echo json_encode($EasterDates);
die();
?>