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cleanse tags of non-tag characters when canonicalizing

This commit is contained in:
Evan Prodromou 2011-08-02 13:49:00 -04:00
parent e0238e7c17
commit 10ce44c297
1 changed files with 4 additions and 1 deletions
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5
lib/util.php
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@ -1096,8 +1096,11 @@ function common_tag_link($tag)
function common_canonical_tag($tag)
{
// only alphanum
$tag = preg_replace('/[^\pL\pN]/', '', $tag);
$tag = mb_convert_case($tag, MB_CASE_LOWER, "UTF-8");
return str_replace(array('-', '_', '.'), '', $tag);
$tag = substr($tag, 0, 64);
return $tag;
}
function common_valid_profile_tag($str)