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<?php // $id$
//////////////////////////////////////////////////////////////
// Censorship filtering
//
// This very simple example of a Text Filter will parse
// printed text, blacking out words perceived to be bad
//
// The list of words is in the lang/xx/moodle.php
//
//////////////////////////////////////////////////////////////
/// This is the filtering function itself. It accepts the
/// courseid and the text to be filtered (in HTML form).
function censor_filter($courseid, $text) {
static $words;
global $CFG;
if (!isset($CFG->filter_censor_badwords)) {
set_config( 'filter_censor_badwords','' );
}
if (empty($words)) {
$words = array();
// if no user-specified words, use default list from language pack
if (empty($CFG->filter_censor_badwords)) {
$badwords = explode(',',get_string('badwords','censor') );
}
else {
$badwords = explode(',', $CFG->filter_censor_badwords );
}
foreach ($badwords as $badword) {
$badword = trim($badword);
$words[] = new filterobject($badword, '<span class="censoredtext" title="'.$badword.'">', '</span>',
false, false, str_pad('',strlen($badword),'*'));
}
}
return filter_phrases($text, $words); // Look for all these words in the text
}
?>
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