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1 | <?php |
2 | /** |
3 | * iso-8859-2 encoding functions |
4 | * |
5 | * takes a string of unicode entities and converts it to a iso-8859-2 encoded string |
6 | * Unsupported characters are replaced with ?. |
7 | * |
8 | * @version $Id$ |
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9 | * @copyright Copyright © 2004-2005 The SquirrelMail Project Team |
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10 | * @package squirrelmail |
11 | * @subpackage encode |
12 | */ |
13 | |
14 | /** |
15 | * Converts string to iso-8859-2 |
16 | * @param string $string text with numeric unicode entities |
17 | * @return string iso-8859-2 encoded text |
18 | */ |
19 | function charset_encode_iso_8859_2 ($string) { |
20 | // don't run encoding function, if there is no encoded characters |
21 | if (! preg_match("'&#[0-9]+;'",$string) ) return $string; |
22 | |
23 | $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88592('\\1')",$string); |
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24 | // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88592(hexdec('\\1'))",$string); |
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25 | |
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26 | return $string; |
27 | } |
28 | |
29 | /** |
30 | * Return iso-8859-2 symbol when unicode character number is provided |
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31 | * |
32 | * This function is used internally by charset_encode_iso_8859_2 |
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33 | * function. It might be unavailable to other squirrelmail functions. |
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34 | * Don't use it or make sure, that functions/encode/iso_8859_2.php is |
35 | * included. |
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36 | * |
37 | * @param int $var decimal unicode value |
38 | * @return string iso-8859-2 character |
39 | */ |
40 | function unicodetoiso88592($var) { |
41 | |
42 | $iso88592chars=array('160' => "\xA0", |
43 | '164' => "\xA4", |
44 | '167' => "\xA7", |
45 | '168' => "\xA8", |
46 | '173' => "\xAD", |
47 | '176' => "\xB0", |
48 | '180' => "\xB4", |
49 | '184' => "\xB8", |
50 | '193' => "\xC1", |
51 | '194' => "\xC2", |
52 | '196' => "\xC4", |
53 | '199' => "\xC7", |
54 | '201' => "\xC9", |
55 | '203' => "\xCB", |
56 | '205' => "\xCD", |
57 | '206' => "\xCE", |
58 | '211' => "\xD3", |
59 | '212' => "\xD4", |
60 | '214' => "\xD6", |
61 | '215' => "\xD7", |
62 | '218' => "\xDA", |
63 | '220' => "\xDC", |
64 | '221' => "\xDD", |
65 | '223' => "\xDF", |
66 | '225' => "\xE1", |
67 | '226' => "\xE2", |
68 | '228' => "\xE4", |
69 | '231' => "\xE7", |
70 | '233' => "\xE9", |
71 | '235' => "\xEB", |
72 | '237' => "\xED", |
73 | '238' => "\xEE", |
74 | '243' => "\xF3", |
75 | '244' => "\xF4", |
76 | '246' => "\xF6", |
77 | '247' => "\xF7", |
78 | '250' => "\xFA", |
79 | '252' => "\xFC", |
80 | '253' => "\xFD", |
81 | '258' => "\xC3", |
82 | '259' => "\xE3", |
83 | '260' => "\xA1", |
84 | '261' => "\xB1", |
85 | '262' => "\xC6", |
86 | '263' => "\xE6", |
87 | '268' => "\xC8", |
88 | '269' => "\xE8", |
89 | '270' => "\xCF", |
90 | '271' => "\xEF", |
91 | '272' => "\xD0", |
92 | '273' => "\xF0", |
93 | '280' => "\xCA", |
94 | '281' => "\xEA", |
95 | '282' => "\xCC", |
96 | '283' => "\xEC", |
97 | '313' => "\xC5", |
98 | '314' => "\xE5", |
99 | '317' => "\xA5", |
100 | '318' => "\xB5", |
101 | '321' => "\xA3", |
102 | '322' => "\xB3", |
103 | '323' => "\xD1", |
104 | '324' => "\xF1", |
105 | '327' => "\xD2", |
106 | '328' => "\xF2", |
107 | '336' => "\xD5", |
108 | '337' => "\xF5", |
109 | '340' => "\xC0", |
110 | '341' => "\xE0", |
111 | '344' => "\xD8", |
112 | '345' => "\xF8", |
113 | '346' => "\xA6", |
114 | '347' => "\xB6", |
115 | '350' => "\xAA", |
116 | '351' => "\xBA", |
117 | '352' => "\xA9", |
118 | '353' => "\xB9", |
119 | '354' => "\xDE", |
120 | '355' => "\xFE", |
121 | '356' => "\xAB", |
122 | '357' => "\xBB", |
123 | '366' => "\xD9", |
124 | '367' => "\xF9", |
125 | '368' => "\xDB", |
126 | '369' => "\xFB", |
127 | '377' => "\xAC", |
128 | '378' => "\xBC", |
129 | '379' => "\xAF", |
130 | '380' => "\xBF", |
131 | '381' => "\xAE", |
132 | '382' => "\xBE", |
133 | '711' => "\xB7", |
134 | '728' => "\xA2", |
135 | '729' => "\xFF", |
136 | '731' => "\xB2", |
137 | '733' => "\xBD"); |
138 | |
139 | |
140 | if (array_key_exists($var,$iso88592chars)) { |
141 | $ret=$iso88592chars[$var]; |
142 | } else { |
143 | $ret='?'; |
144 | } |
145 | return $ret; |
146 | } |
147 | ?> |