1 | <?php |
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2 | /**************************************************************************\ |
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3 | * eGroupWare - holidaycalc_JP * |
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4 | * http://www.egroupware.org * |
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5 | * Based on Yoshihiro Kamimura <your@itheart.com> * |
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6 | * http://www.itheart.com * |
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7 | * -------------------------------------------- * |
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8 | * This program is free software; you can redistribute it and/or modify it * |
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9 | * under the terms of the GNU General Public License as published by the * |
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10 | * Free Software Foundation; either version 2 of the License, or (at your * |
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11 | * option) any later version. * |
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12 | \**************************************************************************/ |
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13 | |
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14 | |
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15 | class holidaycalc |
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16 | { |
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17 | function calculate_date($holiday, &$holidays, $year, &$i) |
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18 | { |
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19 | static $cached_month; |
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20 | static $cached_day; |
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21 | static $cached_observance_rule; |
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22 | |
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23 | if ($holiday['day'] == 0 && $holiday['dow'] != 0 && $holiday['occurence'] != 0) |
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24 | { |
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25 | $dow = $GLOBALS['phpgw']->datetime->day_of_week($year, $holiday['month'], 1); |
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26 | $dayshift = (($holiday['dow'] + 7) - $dow) % 7; |
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27 | $day = ($holiday['occurence'] - 1) * 7 + $dayshift + 1; |
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28 | |
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29 | // Happy monday law. |
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30 | if ($holiday['month'] == 1) |
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31 | { |
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32 | if ($year < 2000) |
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33 | { |
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34 | $day = 15; |
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35 | } |
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36 | } |
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37 | elseif ($holiday['month'] == 7) |
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38 | { |
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39 | if ($year < 2003) |
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40 | { |
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41 | $day = 20; |
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42 | } |
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43 | } |
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44 | elseif ($holiday['month'] == 9) |
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45 | { |
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46 | if ($year < 2003) |
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47 | { |
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48 | $day = 15; |
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49 | } |
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50 | } |
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51 | elseif ($holiday['month'] == 10) |
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52 | { |
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53 | if ($year < 2000) |
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54 | { |
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55 | $day = 10; |
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56 | } |
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57 | } |
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58 | } |
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59 | elseif ($holiday['day'] == 0 && $holiday['dow'] == 0 && $holiday['occurence'] == 0) |
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60 | { |
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61 | // For the next generation. |
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62 | // over 2151, please set $factor... |
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63 | if ($holiday['month'] == 3) |
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64 | { |
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65 | // for Vernal Equinox |
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66 | if ($year >= 1980 && $year <= 2099) |
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67 | { |
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68 | $factor = 20.8431; |
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69 | } |
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70 | elseif ($year >= 2100 && $year <= 2150) |
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71 | { |
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72 | $factor = 21.851; |
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73 | } |
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74 | } |
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75 | elseif ($holiday['month'] == 9) |
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76 | { |
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77 | // for Autumnal Equinox |
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78 | if ($year >= 1980 && $year <= 2099) |
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79 | { |
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80 | $factor = 23.2488; |
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81 | } |
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82 | elseif ($year >= 2100 && $year <= 2150) |
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83 | { |
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84 | $factor = 24.2488; |
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85 | } |
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86 | } |
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87 | |
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88 | $day = (int)($factor + 0.242194 * ($year - 1980) |
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89 | - (int)(($year - 1980) / 4)); |
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90 | } |
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91 | else |
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92 | { |
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93 | // normal holiday |
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94 | $day = $holiday['day']; |
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95 | } |
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96 | |
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97 | if ($year >= 1985 && $holiday['month'] == $cached_month && $day == $cached_day + 2 && $cached_observance_rule == True && $holiday['observance_rule'] == True) |
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98 | { |
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99 | $pdow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],$day-1); |
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100 | if ($pdow != 0) |
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101 | { |
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102 | $addcnt = count($holidays) + 1; |
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103 | $holidays[$addcnt]['locale'] = $holiday['locale']; |
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104 | if ($pdow == 1) |
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105 | { |
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106 | $holidays[$addcnt]['name'] = lang('overlap holiday'); |
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107 | } |
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108 | else |
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109 | { |
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110 | $holidays[$addcnt]['name'] = lang('people holiday'); |
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111 | } |
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112 | $holidays[$addcnt]['day'] = $day - 1; |
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113 | $holidays[$addcnt]['month'] = $holiday['month']; |
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114 | $holidays[$addcnt]['occurence'] = 0; |
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115 | $holidays[$addcnt]['dow'] = 0; |
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116 | $holidays[$addcnt]['date'] = mktime(0,0,0,$holiday['month'],$day-1,$year); |
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117 | $holidays[$addcnt]['observance_rule'] = 0; |
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118 | } |
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119 | } |
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120 | |
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121 | $cached_month = $holiday['month']; |
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122 | $cached_day = $day; |
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123 | $cached_observance_rule = $holiday['observance_rule']; |
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124 | |
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125 | if ($year >= 1985 && $holiday['month'] == 5 && $day == 3) |
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126 | { |
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127 | ; |
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128 | } |
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129 | elseif ($holiday['observance_rule'] == True) |
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130 | { |
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131 | $dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],$day); |
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132 | // This now calulates Observed holidays and creates a new entry for them. |
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133 | if($dow == 0) |
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134 | { |
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135 | $addcnt = count($holidays) + 1; |
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136 | $holidays[$addcnt]['locale'] = $holiday['locale']; |
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137 | $holidays[$addcnt]['name'] = lang('overlap holiday'); |
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138 | $holidays[$addcnt]['day'] = $day + 1; |
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139 | $holidays[$addcnt]['month'] = $holiday['month']; |
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140 | $holidays[$addcnt]['occurence'] = $holiday['occurence']; |
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141 | $holidays[$addcnt]['dow'] = $holiday['dow']; |
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142 | $holidays[$addcnt]['date'] = mktime(0,0,0,$holiday['month'],$day+1,$year); |
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143 | $holidays[$addcnt]['observance_rule'] = 0; |
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144 | } |
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145 | } |
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146 | |
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147 | $date = mktime(0,0,0,$holiday['month'],$day,$year); |
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148 | |
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149 | return $date; |
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150 | } |
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151 | } |
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152 | ?> |
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