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[squirrelmail.git] / functions / encode / iso_8859_2.php
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8532e813 1<?php
4b4abf93 2
8532e813 3/**
4 * iso-8859-2 encoding functions
5 *
6 * takes a string of unicode entities and converts it to a iso-8859-2 encoded string
7 * Unsupported characters are replaced with ?.
8 *
c4faef33 9 * @copyright 2004-2020 The SquirrelMail Project Team
4b4abf93 10 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
8532e813 11 * @version $Id$
8532e813 12 * @package squirrelmail
13 * @subpackage encode
14 */
15
16/**
17 * Converts string to iso-8859-2
18 * @param string $string text with numeric unicode entities
19 * @return string iso-8859-2 encoded text
20 */
21function charset_encode_iso_8859_2 ($string) {
22 // don't run encoding function, if there is no encoded characters
23 if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
24
6c4e2e9b 25 $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso88592',$string);
91e0dccc 26
8532e813 27 return $string;
28}
29
30/**
31 * Return iso-8859-2 symbol when unicode character number is provided
91e0dccc 32 *
33 * This function is used internally by charset_encode_iso_8859_2
598294a7 34 * function. It might be unavailable to other SquirrelMail functions.
91e0dccc 35 * Don't use it or make sure, that functions/encode/iso_8859_2.php is
36 * included.
8532e813 37 *
6c4e2e9b 38 * @param array $matches array with first element a decimal unicode value
8532e813 39 * @return string iso-8859-2 character
40 */
6c4e2e9b 41function unicodetoiso88592($matches) {
42 $var = $matches[1];
8532e813 43
44 $iso88592chars=array('160' => "\xA0",
45 '164' => "\xA4",
46 '167' => "\xA7",
47 '168' => "\xA8",
48 '173' => "\xAD",
49 '176' => "\xB0",
50 '180' => "\xB4",
51 '184' => "\xB8",
52 '193' => "\xC1",
53 '194' => "\xC2",
54 '196' => "\xC4",
55 '199' => "\xC7",
56 '201' => "\xC9",
57 '203' => "\xCB",
58 '205' => "\xCD",
59 '206' => "\xCE",
60 '211' => "\xD3",
61 '212' => "\xD4",
62 '214' => "\xD6",
63 '215' => "\xD7",
64 '218' => "\xDA",
65 '220' => "\xDC",
66 '221' => "\xDD",
67 '223' => "\xDF",
68 '225' => "\xE1",
69 '226' => "\xE2",
70 '228' => "\xE4",
71 '231' => "\xE7",
72 '233' => "\xE9",
73 '235' => "\xEB",
74 '237' => "\xED",
75 '238' => "\xEE",
76 '243' => "\xF3",
77 '244' => "\xF4",
78 '246' => "\xF6",
79 '247' => "\xF7",
80 '250' => "\xFA",
81 '252' => "\xFC",
82 '253' => "\xFD",
83 '258' => "\xC3",
84 '259' => "\xE3",
85 '260' => "\xA1",
86 '261' => "\xB1",
87 '262' => "\xC6",
88 '263' => "\xE6",
89 '268' => "\xC8",
90 '269' => "\xE8",
91 '270' => "\xCF",
92 '271' => "\xEF",
93 '272' => "\xD0",
94 '273' => "\xF0",
95 '280' => "\xCA",
96 '281' => "\xEA",
97 '282' => "\xCC",
98 '283' => "\xEC",
99 '313' => "\xC5",
100 '314' => "\xE5",
101 '317' => "\xA5",
102 '318' => "\xB5",
103 '321' => "\xA3",
104 '322' => "\xB3",
105 '323' => "\xD1",
106 '324' => "\xF1",
107 '327' => "\xD2",
108 '328' => "\xF2",
109 '336' => "\xD5",
110 '337' => "\xF5",
111 '340' => "\xC0",
112 '341' => "\xE0",
113 '344' => "\xD8",
114 '345' => "\xF8",
115 '346' => "\xA6",
116 '347' => "\xB6",
117 '350' => "\xAA",
118 '351' => "\xBA",
119 '352' => "\xA9",
120 '353' => "\xB9",
121 '354' => "\xDE",
122 '355' => "\xFE",
123 '356' => "\xAB",
124 '357' => "\xBB",
125 '366' => "\xD9",
126 '367' => "\xF9",
127 '368' => "\xDB",
128 '369' => "\xFB",
129 '377' => "\xAC",
130 '378' => "\xBC",
131 '379' => "\xAF",
132 '380' => "\xBF",
133 '381' => "\xAE",
134 '382' => "\xBE",
135 '711' => "\xB7",
136 '728' => "\xA2",
137 '729' => "\xFF",
138 '731' => "\xB2",
139 '733' => "\xBD");
140
141
142 if (array_key_exists($var,$iso88592chars)) {
143 $ret=$iso88592chars[$var];
144 } else {
145 $ret='?';
146 }
147 return $ret;
148}