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<?php
define( 'NCORE_HOLI_ROSE_MONDAY', 'easternI-48' );
define( 'NCORE_HOLI_ASH_WEDNESDAY', 'easternI-46' );
define( 'NCORE_HOLI_GOOD_FRIDAY', 'easternI-02' );
define( 'NCORE_HOLI_EASTER_SUNDAY', 'easternI+0' );
define( 'NCORE_HOLI_EASTER_MONDAY', 'easternI+1' );
define( 'NCORE_HOLI_WHIT_SUNDAY', 'easternI+49' );
define( 'NCORE_HOLI_WHIT_MONDAY', 'easternI+50' );
define( 'NCORE_HOLI_CORPUS_CHRISTI', 'easternI+60' );
define( 'NCORE_HOLI_HALLOWEEN', 'dateI10-31' );
define( 'NCORE_HOLI_CHRISTMAS_1ST', 'dateI12-25' );
define( 'NCORE_HOLI_CHRISTMAS_2ST', 'dateI12-26' );
define( 'NCORE_HOLI_NEW_YEARS_EVE', 'dateI12-31' );
define( 'NCORE_HOLI_NEW_YEAR', 'dateI01-01' );
function holiday_options()
{
return array(
NCORE_HOLI_NEW_YEAR => _ncore( 'New year' ),
NCORE_HOLI_ROSE_MONDAY => _ncore( 'Rose monday' ),
NCORE_HOLI_ASH_WEDNESDAY => _ncore( 'Ash wednesday' ),
NCORE_HOLI_GOOD_FRIDAY => _ncore( 'Good friday' ),
NCORE_HOLI_EASTER_SUNDAY => _ncore( 'Easter sunday' ),
// NCORE_HOLI_EASTER_MONDAY => _ncore( 'Easter monday' ),
NCORE_HOLI_WHIT_SUNDAY => _ncore( 'Whit sunday' ),
// NCORE_HOLI_WHIT_MONDAY => _ncore( 'Whit monday' ),
// NCORE_HOLI_CORPUS_CHRISTI => _ncore( 'Corpus christi' ),
NCORE_HOLI_HALLOWEEN => _ncore( 'Halloween' ),
// NCORE_HOLI_CHRISTMAS_EVE => _ncore( 'Christmas eve' ),
NCORE_HOLI_CHRISTMAS_1ST => _ncore( 'Christmas 1st day' ),
// NCORE_HOLI_CHRISTMAS_2ST => _ncore( 'Christmas 2nd day' ),
NCORE_HOLI_NEW_YEARS_EVE => _ncore( 'New years eve' ),
);
}
function holiday_date( $holiday, $year='upcoming' )
{
$maybe_try_next_year = $year==='upcoming';
$year = $year === 'current' || $maybe_try_next_year
? date('Y')
: intval( $year );
if ($year < 2012)
{
trigger_error( "Invalid year - please use year 2012 or later" );
return false;
}
list( $type, $what ) = ncore_retrieveList( 'I', $holiday, 2, true );
switch ($type)
{
case 'date':
$mm_dd = $what;
$offset = 0;
break;
case 'eastern';
$mm_dd = holiday_easterSundayDates( $year );
$offset = intval($what);
if (!$mm_dd) {
trigger_error( "Easter sunday dates missing for year $year" );
return false;
}
break;
default:
$mm_dd = '0-0';
$offset = 0;
}
list( $month, $day )= ncore_retrieveList( '-', $mm_dd, 2, true );
if (!$month || !$day)
{
trigger_error( "Invalid holiday: $holiday" );
return false;
}
$date = "$year-$month-$day";
if ($offset != 0)
{
$date_unix = strtotime( $date );
$date_unix += $offset * 86400;
$date = date( 'Y-m-d', $date_unix );;
}
if ($maybe_try_next_year)
{
$date_unix = strtotime( $date );
$is_past = $date_unix < time() - 86400;
if ($is_past)
{
$date = holiday_date( $holiday, $year+1 );
}
}
return $date;
}
function holiday_easterSundayDates( $year='all' ) {
$easter_sundays = array(
2012 => '04-08', 2013 => '03-31', 2014 => '04-20', 2015 => '04-05',
2016 => '03-27', 2017 => '04-16', 2018 => '04-01', 2019 => '04-21',
2020 => '04-12', 2021 => '04-04', 2022 => '04-17', 2023 => '04-09',
2024 => '03-31', 2025 => '04-20', 2026 => '04-05', 2027 => '03-28',
2028 => '04-16', 2029 => '04-01', 2030 => '04-21', 2031 => '04-13',
2032 => '03-28', 2033 => '04-17', 2034 => '04-09', 2035 => '03-25',
2036 => '04-13', 2037 => '04-05', 2038 => '04-25', 2039 => '04-10',
2040 => '04-01', 2041 => '04-21', 2042 => '04-06', 2043 => '03-29',
2044 => '04-17', 2045 => '04-09', 2046 => '03-25', 2047 => '04-14',
2048 => '04-05', 2049 => '04-18', 2050 => '04-10', 2051 => '04-02',
2052 => '04-21', 2053 => '04-06', 2054 => '03-29', 2055 => '04-18',
2056 => '04-02', 2057 => '04-22', 2058 => '04-14', 2059 => '03-30',
2060 => '04-18', 2061 => '04-10', 2062 => '03-26', 2063 => '04-15',
2064 => '04-06', 2065 => '03-29', 2066 => '04-11', 2067 => '04-03',
2068 => '04-22', 2069 => '04-14', 2070 => '03-30', 2071 => '04-19',
2072 => '04-10', 2073 => '03-26', 2074 => '04-15', 2075 => '04-07',
2076 => '04-19', 2077 => '04-11', 2078 => '04-03', 2079 => '04-23',
2080 => '04-07', 2081 => '03-30', 2082 => '04-19', 2083 => '04-04',
2084 => '03-26', 2085 => '04-15', 2086 => '03-31', 2087 => '04-20',
2088 => '04-11', 2089 => '04-03', 2090 => '04-16', 2091 => '04-08',
2092 => '03-30', 2093 => '04-12', 2094 => '04-04', 2095 => '04-24',
2096 => '04-15', 2097 => '03-31', 2098 => '04-20', 2099 => '04-12',
2100 => '03-28', 2101 => '04-17', 2102 => '04-09', 2103 => '03-25',
2104 => '04-13', 2105 => '04-05', 2106 => '04-18', 2107 => '04-10',
2108 => '04-01', 2109 => '04-21', 2110 => '04-06', 2111 => '03-29',
2112 => '04-17', 2113 => '04-02', 2114 => '04-22', 2115 => '04-14',
2116 => '03-29', 2117 => '04-18', 2118 => '04-10', 2119 => '03-26',
2120 => '04-14', 2121 => '04-06', 2122 => '03-29', 2123 => '04-11',
2124 => '04-02', 2125 => '04-22', 2126 => '04-14', 2127 => '03-30',
2128 => '04-18', 2129 => '04-10', 2130 => '03-26', 2131 => '04-15',
2132 => '04-06', 2133 => '04-19', 2134 => '04-11', 2135 => '04-03',
2136 => '04-22', 2137 => '04-07', 2138 => '03-30', 2139 => '04-19',
2140 => '04-03', 2141 => '03-26', 2142 => '04-15', 2143 => '03-31',
2144 => '04-19', 2145 => '04-11', 2146 => '04-03', 2147 => '04-16',
2148 => '04-07', 2149 => '03-30', 2150 => '04-12', 2151 => '04-04',
2152 => '04-23', 2153 => '04-15', 2154 => '03-31', 2155 => '04-20',
2156 => '04-11', 2157 => '03-27', 2158 => '04-16', 2159 => '04-08',
2160 => '03-23', 2161 => '04-12', 2162 => '04-04', 2163 => '04-24',
2164 => '04-08', 2165 => '03-31', 2166 => '04-20', 2167 => '04-05',
2168 => '03-27', 2169 => '04-16', 2170 => '04-01', 2171 => '04-21',
2172 => '04-12', 2173 => '04-04', 2174 => '04-17', 2175 => '04-09',
2176 => '03-31', 2177 => '04-20', 2178 => '04-05', 2179 => '03-28',
2180 => '04-16', 2181 => '04-01', 2182 => '04-21', 2183 => '04-13',
2184 => '03-28', 2185 => '04-17', 2186 => '04-09', 2187 => '03-25',
2188 => '04-13', 2189 => '04-05', 2190 => '04-25', 2191 => '04-10',
2192 => '04-01', 2193 => '04-21', 2194 => '04-06', 2195 => '03-29',
2196 => '04-17', 2197 => '04-09', 2198 => '03-25', 2199 => '04-14',
2200 => '04-06'
);
return $year === 'all'
? $easter_sundays
: ncore_retrieve( $easter_sundays, $year, false );
}