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Do not duplicate nofollow attribute in transform.

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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Edward Z. Yang
2011-06-11 15:52:02 +01:00
parent 35b1fbce01
commit 820d6e9097
3 changed files with 13 additions and 1 deletions
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6
library/HTMLPurifier/AttrTransform/Nofollow.php
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@@ -26,7 +26,11 @@ class HTMLPurifier_AttrTransform_Nofollow extends HTMLPurifier_AttrTransform
if (!is_null($url->host) && $scheme !== false && $scheme->browsable) {
if (isset($attr['rel'])) {
$attr['rel'] .= ' nofollow';
$rels = explode(' ', $attr);
if (!in_array('nofollow', $rels)) {
$rels[] = 'nofollow';
}
$attr['rel'] = implode(' ', $rels);
} else {
$attr['rel'] = 'nofollow';
}