| | |
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| | | * |
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| | | * @param mixed $result Optional query handle |
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| | | * @return mixed Number of rows or false on failure |
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| | | * @deprecated This method shows very poor performance and should be avoided. |
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| | | */ |
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| | | public function num_rows($result = null) |
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| | | { |
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| | | if ($result || ($result === null && ($result = $this->last_result))) { |
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| | | // repeat query with SELECT COUNT(*) ... |
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| | | if (preg_match('/^SELECT\s+(?:ALL\s+|DISTINCT\s+)?(?:.*?)\s+FROM\s+(.*)$/i', $result->queryString, $m)) { |
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| | | if (preg_match('/^SELECT\s+(?:ALL\s+|DISTINCT\s+)?(?:.*?)\s+FROM\s+(.*)$/ims', $result->queryString, $m)) { |
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| | | $query = $this->dbh->query('SELECT COUNT(*) FROM ' . $m[1], PDO::FETCH_NUM); |
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| | | return $query ? intval($query->fetchColumn(0)) : false; |
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| | | } |
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| | | else { |
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| | | return count($result->fetchAll()); |
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| | | $num = count($result->fetchAll()); |
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| | | $result->execute(); // re-execute query because there's no seek(0) |
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| | | return $num; |
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| | | } |
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| | | } |
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| | | |
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