ad45ee29f9a1c8b0d266c54599a2bdd01cc0533c
[squirrelmail.git] / functions / encode / cp1256.php
1 <?php
2
3 /**
4 * cp1256 encoding functions
5 *
6 * takes a string of unicode entities and converts it to a cp1256 encoded string
7 * Unsupported characters are replaced with ?.
8 *
9 * @copyright 2004-2017 The SquirrelMail Project Team
10 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
11 * @version $Id$
12 * @package squirrelmail
13 * @subpackage encode
14 */
15
16 /**
17 * Converts string to cp1256
18 * @param string $string text with numeric unicode entities
19 * @return string cp1256 encoded text
20 */
21 function charset_encode_cp1256 ($string) {
22 // don't run encoding function, if there is no encoded characters
23 if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
24
25 $string=preg_replace_callback("/&#([0-9]+);/",'unicodetocp1256',$string);
26
27 return $string;
28 }
29
30 /**
31 * Return cp1256 symbol when unicode character number is provided
32 *
33 * This function is used internally by charset_encode_cp1256
34 * function. It might be unavailable to other SquirrelMail functions.
35 * Don't use it or make sure, that functions/encode/cp1256.php is
36 * included.
37 *
38 * @param array $matches array with first element a decimal unicode value
39 * @return string cp1256 character
40 */
41 function unicodetocp1256($matches) {
42 $var = $matches[1];
43
44 $cp1256chars=array('160' => "\xA0",
45 '162' => "\xA2",
46 '163' => "\xA3",
47 '164' => "\xA4",
48 '165' => "\xA5",
49 '166' => "\xA6",
50 '167' => "\xA7",
51 '168' => "\xA8",
52 '169' => "\xA9",
53 '171' => "\xAB",
54 '172' => "\xAC",
55 '173' => "\xAD",
56 '174' => "\xAE",
57 '175' => "\xAF",
58 '176' => "\xB0",
59 '177' => "\xB1",
60 '178' => "\xB2",
61 '179' => "\xB3",
62 '180' => "\xB4",
63 '181' => "\xB5",
64 '182' => "\xB6",
65 '183' => "\xB7",
66 '184' => "\xB8",
67 '185' => "\xB9",
68 '187' => "\xBB",
69 '188' => "\xBC",
70 '189' => "\xBD",
71 '190' => "\xBE",
72 '215' => "\xD7",
73 '224' => "\xE0",
74 '226' => "\xE2",
75 '231' => "\xE7",
76 '232' => "\xE8",
77 '233' => "\xE9",
78 '234' => "\xEA",
79 '235' => "\xEB",
80 '238' => "\xEE",
81 '239' => "\xEF",
82 '244' => "\xF4",
83 '247' => "\xF7",
84 '249' => "\xF9",
85 '251' => "\xFB",
86 '252' => "\xFC",
87 '338' => "\x8C",
88 '339' => "\x9C",
89 '402' => "\x83",
90 '710' => "\x88",
91 '1548' => "\xA1",
92 '1563' => "\xBA",
93 '1567' => "\xBF",
94 '1569' => "\xC1",
95 '1570' => "\xC2",
96 '1571' => "\xC3",
97 '1572' => "\xC4",
98 '1573' => "\xC5",
99 '1574' => "\xC6",
100 '1575' => "\xC7",
101 '1576' => "\xC8",
102 '1577' => "\xC9",
103 '1578' => "\xCA",
104 '1579' => "\xCB",
105 '1580' => "\xCC",
106 '1581' => "\xCD",
107 '1582' => "\xCE",
108 '1583' => "\xCF",
109 '1584' => "\xD0",
110 '1585' => "\xD1",
111 '1586' => "\xD2",
112 '1587' => "\xD3",
113 '1588' => "\xD4",
114 '1589' => "\xD5",
115 '1590' => "\xD6",
116 '1591' => "\xD8",
117 '1592' => "\xD9",
118 '1593' => "\xDA",
119 '1594' => "\xDB",
120 '1600' => "\xDC",
121 '1601' => "\xDD",
122 '1602' => "\xDE",
123 '1603' => "\xDF",
124 '1604' => "\xE1",
125 '1605' => "\xE3",
126 '1606' => "\xE4",
127 '1607' => "\xE5",
128 '1608' => "\xE6",
129 '1609' => "\xEC",
130 '1610' => "\xED",
131 '1611' => "\xF0",
132 '1612' => "\xF1",
133 '1613' => "\xF2",
134 '1614' => "\xF3",
135 '1615' => "\xF5",
136 '1616' => "\xF6",
137 '1617' => "\xF8",
138 '1618' => "\xFA",
139 '1657' => "\x8A",
140 '1662' => "\x81",
141 '1670' => "\x8D",
142 '1672' => "\x8F",
143 '1681' => "\x9A",
144 '1688' => "\x8E",
145 '1705' => "\x98",
146 '1711' => "\x90",
147 '1722' => "\x9F",
148 '1726' => "\xAA",
149 '1729' => "\xC0",
150 '1746' => "\xFF",
151 '8204' => "\x9D",
152 '8205' => "\x9E",
153 '8206' => "\xFD",
154 '8207' => "\xFE",
155 '8211' => "\x96",
156 '8212' => "\x97",
157 '8216' => "\x91",
158 '8217' => "\x92",
159 '8218' => "\x82",
160 '8220' => "\x93",
161 '8221' => "\x94",
162 '8222' => "\x84",
163 '8224' => "\x86",
164 '8225' => "\x87",
165 '8226' => "\x95",
166 '8230' => "\x85",
167 '8240' => "\x89",
168 '8249' => "\x8B",
169 '8250' => "\x9B",
170 '8364' => "\x80",
171 '8482' => "\x99");
172
173 if (array_key_exists($var,$cp1256chars)) {
174 $ret=$cp1256chars[$var];
175 } else {
176 $ret='?';
177 }
178 return $ret;
179 }