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Merge branch 'ticket/17115' into ticket/17115-master

This commit is contained in:
rxu
2023-03-16 21:54:13 +07:00
2 changed files with 2 additions and 1 deletions

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@@ -393,7 +393,7 @@ class fulltext_native extends base implements search_backend_interface
$word = substr($word, 1);
// a group of which at least one may not be in the resulting posts
if ($word[0] == '(')
if (isset($word[0]) && $word[0] == '(')
{
$word = array_unique(explode('|', substr($word, 1, -1)));
$mode = 'must_exclude_one';