sudo apt install php7.2-odbc
...
Setting up php7.2-odbc (7.2.10-0ubuntu0.18.04.1) ...
Creating config file /etc/php/7.2/mods-available/odbc.ini with new version
Creating config file /etc/php/7.2/mods-available/pdo_odbc.ini with new version
Processing triggers for libapache2-mod-php7.2 (7.2.10-0ubuntu0.18.04.1)

php -i | grep PDO
PDO
PDO support => enabled
PDO drivers => mysql, odbc, pgsql, sqlite
PDO Driver for MySQL => enabled
PDO_ODBC
PDO Driver for ODBC (unixODBC) => enabled
PDO Driver for PostgreSQL => enabled
PDO Driver for SQLite 3.x => enabled

$db_username = ''; //username
$db_password = ''; //password
// path to database file
$database_path = "/home/jcobban/FamilyTree/Cobban.mdb";
// check file exist before we proceed
if (!file_exists($database_path)) {
    die("Access database file not found !");
}
//create a new PDO object
$database = new PDO("odbc:DRIVER={Microsoft Access Driver (*.mdb, *.accdb)}; DBQ=$database_path; Uid=$db_username; Pwd=$db_password;");
$sql  = "SELECT * FROM tableName";
$result = $database->query($sql);
while ($row = $result->fetch(PDO::FETCH_ASSOC)) {
    print_r($row);
}

Fatal error: Uncaught PDOException: SQLSTATE[01000] SQLDriverConnect: 0     [unixODBC][Driver Manager]Can't open lib 'Microsoft Access Driver (*.mdb, *.accdb)' : file not found in /home/jcobban/public_html/testAccess.php:14 Stack trace: #0 /home/jcobban/public_html/testAccess.php(14): PDO->__construct('odbc:DRIVER={Mi...') #1 {main} thrown in /home/jcobban/public_html/testAccess.php on line 14

sudo apt-get install odbc-mdbtools
sudo apt-get install unixodbc-dev