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<?php// Insert database data here.$dbh = new PDO('sqlite:/tmp/database.db');$number = 1;if ($number === 1) { echo "Bulbasaur's cry is correct.\n";}$sth = $dbh->prepare('SELECT :number + 3');$sth->bindParam(':number', $number);$sth->execute();echo "Abby's is number {$sth->fetchColumn()}.\n";if ($number === 1) { echo "Bulbasaur's cry is still correct.\n";}