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1 | <?php |
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2 | |
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3 | /** |
4 | * iso-8859-9 encoding functions |
5 | * |
6 | * takes a string of unicode entities and converts it to a iso-8859-9 encoded string |
7 | * Unsupported characters are replaced with ?. |
8 | * |
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9 | * @copyright © 2004-2009 The SquirrelMail Project Team |
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10 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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11 | * @version $Id$ |
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12 | * @package squirrelmail |
13 | * @subpackage encode |
14 | */ |
15 | |
16 | /** |
17 | * Converts string to iso-8859-9 |
18 | * @param string $string text with numeric unicode entities |
19 | * @return string iso-8859-9 encoded text |
20 | */ |
21 | function charset_encode_iso_8859_9 ($string) { |
22 | // don't run encoding function, if there is no encoded characters |
23 | if (! preg_match("'&#[0-9]+;'",$string) ) return $string; |
24 | |
25 | $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88599('\\1')",$string); |
26 | // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88599(hexdec('\\1'))",$string); |
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27 | |
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28 | return $string; |
29 | } |
30 | |
31 | /** |
32 | * Return iso-8859-9 symbol when unicode character number is provided |
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33 | * |
34 | * This function is used internally by charset_encode_iso_8859_9 |
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35 | * function. It might be unavailable to other SquirrelMail functions. |
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36 | * Don't use it or make sure, that functions/encode/iso_8859_9.php is |
37 | * included. |
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38 | * |
39 | * @param int $var decimal unicode value |
40 | * @return string iso-8859-9 character |
41 | */ |
42 | function unicodetoiso88599($var) { |
43 | |
44 | $iso88599chars=array('160' => "\xA0", |
45 | '161' => "\xA1", |
46 | '162' => "\xA2", |
47 | '163' => "\xA3", |
48 | '164' => "\xA4", |
49 | '165' => "\xA5", |
50 | '166' => "\xA6", |
51 | '167' => "\xA7", |
52 | '168' => "\xA8", |
53 | '169' => "\xA9", |
54 | '170' => "\xAA", |
55 | '171' => "\xAB", |
56 | '172' => "\xAC", |
57 | '173' => "\xAD", |
58 | '174' => "\xAE", |
59 | '175' => "\xAF", |
60 | '176' => "\xB0", |
61 | '177' => "\xB1", |
62 | '178' => "\xB2", |
63 | '179' => "\xB3", |
64 | '180' => "\xB4", |
65 | '181' => "\xB5", |
66 | '182' => "\xB6", |
67 | '183' => "\xB7", |
68 | '184' => "\xB8", |
69 | '185' => "\xB9", |
70 | '186' => "\xBA", |
71 | '187' => "\xBB", |
72 | '188' => "\xBC", |
73 | '189' => "\xBD", |
74 | '190' => "\xBE", |
75 | '191' => "\xBF", |
76 | '192' => "\xC0", |
77 | '193' => "\xC1", |
78 | '194' => "\xC2", |
79 | '195' => "\xC3", |
80 | '196' => "\xC4", |
81 | '197' => "\xC5", |
82 | '198' => "\xC6", |
83 | '199' => "\xC7", |
84 | '200' => "\xC8", |
85 | '201' => "\xC9", |
86 | '202' => "\xCA", |
87 | '203' => "\xCB", |
88 | '204' => "\xCC", |
89 | '205' => "\xCD", |
90 | '206' => "\xCE", |
91 | '207' => "\xCF", |
92 | '209' => "\xD1", |
93 | '210' => "\xD2", |
94 | '211' => "\xD3", |
95 | '212' => "\xD4", |
96 | '213' => "\xD5", |
97 | '214' => "\xD6", |
98 | '215' => "\xD7", |
99 | '216' => "\xD8", |
100 | '217' => "\xD9", |
101 | '218' => "\xDA", |
102 | '219' => "\xDB", |
103 | '220' => "\xDC", |
104 | '223' => "\xDF", |
105 | '224' => "\xE0", |
106 | '225' => "\xE1", |
107 | '226' => "\xE2", |
108 | '227' => "\xE3", |
109 | '228' => "\xE4", |
110 | '229' => "\xE5", |
111 | '230' => "\xE6", |
112 | '231' => "\xE7", |
113 | '232' => "\xE8", |
114 | '233' => "\xE9", |
115 | '234' => "\xEA", |
116 | '235' => "\xEB", |
117 | '236' => "\xEC", |
118 | '237' => "\xED", |
119 | '238' => "\xEE", |
120 | '239' => "\xEF", |
121 | '241' => "\xF1", |
122 | '242' => "\xF2", |
123 | '243' => "\xF3", |
124 | '244' => "\xF4", |
125 | '245' => "\xF5", |
126 | '246' => "\xF6", |
127 | '247' => "\xF7", |
128 | '248' => "\xF8", |
129 | '249' => "\xF9", |
130 | '250' => "\xFA", |
131 | '251' => "\xFB", |
132 | '252' => "\xFC", |
133 | '255' => "\xFF", |
134 | '286' => "\xD0", |
135 | '287' => "\xF0", |
136 | '304' => "\xDD", |
137 | '305' => "\xFD", |
138 | '350' => "\xDE", |
139 | '351' => "\xFE"); |
140 | |
141 | |
142 | if (array_key_exists($var,$iso88599chars)) { |
143 | $ret=$iso88599chars[$var]; |
144 | } else { |
145 | $ret='?'; |
146 | } |
147 | return $ret; |
148 | } |