What is a db string in PHP and MySQL context?

A db string in PHP and MySQL context typically refers to the connection string used to establish a connection between a PHP script and a MySQL database. This string contains information such as the database host, username, password, and database name. To establish a connection and interact with a MySQL database in PHP, you need to create a db string that includes this information. 

// Create a db string with connection information
$db_host = 'localhost';
$db_user = 'username';
$db_pass = 'password';
$db_name = 'database_name';

$db = new mysqli($db_host, $db_user, $db_pass, $db_name);

// Check connection
if ($db->connect_error) {
    die("Connection failed: " . $db->connect_error);
}
echo "Connected successfully";

Keywords

PHP MySQL database connection db string configuration.

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