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Code Duplication    Length = 3-3 lines in 4 locations

phpmyfaq/inc/PMF/Category.php 4 locations

@@ 278-280 (lines=3) @@
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        if (false === $parentId && 0 < PMF_String::strlen($_query)) {
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            $query .= PMF_String::substr($_query, 4);
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        }
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        if (isset($this->language) && preg_match("/^[a-z\-]{2,}$/", $this->language)) {
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            $query .= " AND lang = '".$this->language."'";
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        }
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        $query .= ' ORDER BY id';
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        $result = $this->_config->getDb()->query($query);
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        while ($row = $this->_config->getDb()->fetchArray($result)) {
@@ 303-305 (lines=3) @@
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            FROM
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                %sfaqcategories',
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            PMF_Db::getTablePrefix());
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        if (isset($this->language) && preg_match("/^[a-z\-]{2,}$/", $this->language)) {
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            $query .= " WHERE lang = '".$this->language."'";
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        }
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        $result = $this->_config->getDb()->query($query);
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        while ($row = $this->_config->getDb()->fetchArray($result)) {
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            $this->categories[$row['id']] = [
@@ 341-343 (lines=3) @@
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            PMF_Db::getTablePrefix()
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        );
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        if (isset($this->language) && preg_match("/^[a-z\-]{2,}$/", $this->language)) {
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            $query .= sprintf(" WHERE lang = '%s'", $this->language);
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        }
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        $result = $this->_config->getDb()->query($query);
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@@ 1460-1462 (lines=3) @@
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            FROM
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                %sfaqcategories',
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            PMF_Db::getTablePrefix());
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        if (isset($this->language) && preg_match("/^[a-z\-]{2,}$/", $this->language)) {
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            $query .= " WHERE lang != '".$this->language."'";
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        }
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        $query .= ' ORDER BY id';
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        $result = $this->_config->getDb()->query($query);
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        while ($row = $this->_config->getDb()->fetchArray($result)) {