list all tables in a database with MySQLi

Question

I have looked around and still can't find how to list all my tables in a database. is it possible with MySQLi?

Thanks.

Answer 1

here is little example

class database {
    public $connection;

    function __construct() {
        $this->connection = mysqli_connect(DBHOST,
                                           DBUSER,
                                           DBPASS,
                                           DBNAME) or 
        die('Database Connection Error: '.mysqli_connect_error());  
    }

    public function close_database() { 
        return mysqli_close($this->connection); 
    }
    public function query($query) {
        $query = mysqli_query($this->connection ,$query) or die($this->show_errors('Query Execution Error: '.mysqli_error($this->connection),'E'));
        return $query;  
    }
    public function fetch_assoc($query) {
        $query = mysqli_fetch_assoc($query);
        return $query;  
    }
}

$db = new database();
$query = $db->query("SHOW TABLES FROM DATABASENAME");
$db->fetch_assoc($query);

Answer 2

There are many ways.

SHOW TABLES

Is the most simple SQL statement for doing that. You can also take a look at INFORMATION_SCHEMA.TABLES if you want to have more details or do some filtering or such.

SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA LIKE 'your_database';

Answer 3

Using PHP 5.5 or later, a simple solution is using PHP's built-in array_column() function.

$link = mysqli_connect(DBHOST, DBUSER, DBPASS, DBNAME);
$listdbtables = array_column(mysqli_fetch_all($link->query('SHOW TABLES')),0);

Answer 4

I'd try something like:

function get_tables()
{
  $tableList = array();
  $res = mysqli_query($this->conn,"SHOW TABLES");
  while($cRow = mysqli_fetch_array($res))
  {
    $tableList[] = $cRow[0];
  }
  return $tableList;
}

You might also be interested in skimming this: https://devzone.zend.com/13/php-101-part-8-databases-and-other-animals_part-2/ (EDIT: this link refers to mysql API and not mysqli, but most calls do have a mysqli parallel).

HTH