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@@ -2234,7 +2234,7 @@ class Exercise {
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$resfill = Database::query($queryfill);
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$str = Database::result($resfill,0,'answer');
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- preg_match_all('#\[([^[]*)\]#', $str, $arr);
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+ api_preg_match_all('#\[([^[]*)\]#', $str, $arr);
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$str = str_replace('\r\n', '', $str);
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$choice = $arr[1];
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