Commit | Line | Data |
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6855525e JL |
1 | <?php |
2 | /* | |
3 | * Copyright (C) 2003-2004 Polytechnique.org | |
4 | * http://opensource.polytechnique.org/ | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | ||
22 | require_once 'diogenes/diogenes.misc.inc.php'; | |
23 | ||
24 | /** Protect PHP code. | |
25 | */ | |
26 | function phpProtect($input) | |
27 | { | |
28 | $splits = preg_split("/(<\?php|\?>)/",$input,-1,PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY); | |
29 | $output = ""; | |
30 | ||
31 | while ($block = array_shift($splits)) { | |
32 | if ($block == "<?php") { | |
33 | $code = array_shift($splits); | |
34 | $end = array_shift($splits); | |
35 | if ($end != "?>") | |
36 | die("phpProtect : parse error"); | |
37 | $output .= "{PHP:".base64_encode($code).":PHP}"; | |
38 | } else { | |
39 | $output .= $block; | |
40 | } | |
41 | } | |
42 | ||
43 | return $output; | |
44 | } | |
45 | ||
46 | ||
47 | /** Unprotect PHP code. | |
48 | */ | |
49 | function phpUnprotect($input) | |
50 | { | |
51 | $splits = preg_split("/({PHP:.+:PHP})/",$input,-1,PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY); | |
52 | $output = ""; | |
53 | ||
54 | foreach ($splits as $block) { | |
55 | if (preg_match("/{PHP:(.+):PHP}/",$block,$match)) { | |
56 | $output .= "<?php".base64_decode($match[1])."?>"; | |
57 | } else { | |
58 | $output .= $block; | |
59 | } | |
60 | } | |
61 | ||
62 | return $output; | |
63 | } | |
64 | ||
65 | ||
66 | /** Convert XHTML-compliant tags to plain HTML. | |
67 | */ | |
68 | function xhtmlToHtml($input) | |
69 | { | |
70 | return html_accent(preg_replace("/<(br|img|input|p)( [^\/]*)?\/>/","<\$1\$2>",$input)); | |
71 | } | |
72 | ||
73 | ||
74 | /** Restore XHTML-compliant tags. | |
75 | */ | |
76 | function htmlToXhtml($input) | |
77 | { | |
78 | return preg_replace("/<(br|img|input)( [^>]+)?>/","<\$1\$2/>",$input); | |
79 | } | |
80 | ||
81 | ?> |