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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6 | Andrea | 1 | <?php |
| 2 | |||
| 3 | function mod($a,$b) { |
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| 4 | |||
| 5 | $x1 = (int) abs($a/$b); |
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| 6 | $x2 = $a/$b; |
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| 7 | return $a-($x1*$b); |
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| 8 | } |
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| 9 | |||
| 10 | function IsLeapYear($y) { |
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| 11 | |||
| 12 | $bulis = ((mod($y,4) == 0) && ((mod ($y,100) <> 0) || (mod($y,400) == 0))); |
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| 13 | return $bulis; |
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| 14 | } |
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| 15 | |||
| 16 | function daycount($dt) { |
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| 17 | |||
| 18 | $dc_year = (int) $dt['YY']; |
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| 19 | $dc_month = (int) $dt['MM']; |
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| 20 | |||
| 21 | switch ($dc_month) { |
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| 22 | |||
| 23 | case 1: |
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| 24 | case 3: |
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| 25 | case 5: |
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| 26 | case 7: |
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| 27 | case 8: |
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| 28 | case 10: |
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| 29 | case 12: |
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| 30 | return 31; |
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| 31 | break; |
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| 32 | |||
| 33 | case 4: |
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| 34 | case 6: |
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| 35 | case 9: |
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| 36 | case 11: |
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| 37 | return 30; |
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| 38 | break; |
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| 39 | |||
| 40 | case 2: |
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| 41 | if (IsLeapYear($dc_year)) |
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| 42 | return 29; |
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| 43 | else |
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| 44 | return 28; |
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| 45 | break; |
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| 46 | } |
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| 47 | } |
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| 48 | |||
| 49 | |||
| 50 | function split_sysdate() { |
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| 51 | |||
| 52 | global $sysdate; |
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| 53 | |||
| 54 | list($date, $time) = explode(' ', $sysdate); |
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| 55 | |||
| 56 | $arr_d = explode('/', $date); |
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| 57 | $arr_t = explode(':', $time); |
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| 58 | |||
| 59 | $arr_sysdate['DD'] = $arr_d[0]; |
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| 60 | $arr_sysdate['MM'] = $arr_d[1]; |
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| 61 | $arr_sysdate['YY'] = $arr_d[2]; |
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| 62 | $arr_sysdate['HH'] = $arr_t[0]; |
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| 63 | $arr_sysdate['MI'] = $arr_t[1]; |
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| 64 | $arr_sysdate['SS'] = $arr_t[2]; |
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| 65 | |||
| 66 | return $arr_sysdate; |
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| 67 | } |
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| 68 | |||
| 69 | function split_date($date) { |
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| 70 | |||
| 71 | $arr_d = explode('/', $date); |
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| 72 | |||
| 73 | $arr_date['DD'] = $arr_d[0]; |
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| 74 | $arr_date['MM'] = $arr_d[1]; |
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| 75 | $arr_date['YY'] = $arr_d[2]; |
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| 76 | |||
| 77 | return $arr_date; |
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| 78 | } |
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| 79 | |||
| 80 | function sub_months($dt, $months) { |
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| 81 | |||
| 82 | $dt['MM'] = (int) $dt['MM']; |
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| 83 | |||
| 84 | if (($dt['MM'] - $months) < 1) { |
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| 85 | |||
| 86 | $dt['MM'] = $dt['MM'] + 12; |
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| 87 | $dt['YY'] = $dt['YY'] - 1; |
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| 88 | |||
| 89 | } |
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| 90 | |||
| 91 | $dt['MM'] = str_pad($dt['MM'] - $months, 2, '0', STR_PAD_LEFT); |
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| 92 | |||
| 93 | return $dt; |
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| 94 | } |
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| 95 | |||
| 96 | ?> |