1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
<?PHP // $Id: filter.php,v 1.1.4.1 2004/09/11 13:29:29 moodler Exp $
// This function looks for email addresses in Moodle text and
// hides them using the Moodle obfuscate_text function.
// Original code by Mike Churchward
function emailprotect_filter($courseid, $text) {
/// Do a quick check using stripos to avoid unnecessary work
if (strpos($text, '@') === false) {
return $text;
}
/// There might be an email in here somewhere so continue ...
$matches = array();
/// regular expression to define a standard email string.
$emailregex = '((?:[\w\.\-])+\@(?:(?:[a-zA-Z\d\-])+\.)+(?:[a-zA-Z\d]{2,4}))';
/// pattern to find a mailto link with the linked text.
$pattern = '|(<a\s+href\s*=\s*[\'"]?mailto:)'.$emailregex.'([\'"]?\s*>)'.'(.*)'.'(</a>)|iU';
$text = preg_replace_callback($pattern, 'alter_mailto', $text);
/// pattern to find any other email address in the text.
$pattern = '/(^|\s+|>)'.$emailregex.'($|\s+|\.\s+|\.$|<)/i';
$text = preg_replace_callback($pattern, 'alter_email', $text);
return $text;
}
function alter_email($matches) {
return $matches[1].obfuscate_text($matches[2]).$matches[3];
}
function alter_mailto($matches) {
return obfuscate_mailto($matches[2], $matches[4]);
}
?>
|
