<?php

// Database type
$dbType = 'mysql';

// Database credentials
$host = 'localhost';
$username = 'your_mysql_username';
$password = 'your_mysql_password';

try {
    // Connect to database
    if ($dbType == 'mysql') {
        $pdo = new PDO("mysql:host=$host", $username, $password);
    } elseif ($dbType == 'postgresql') {
        $pdo = new PDO("pgsql:host=$host", $username, $password);
    } elseif ($dbType == 'sqlite') {
        $pdo = new PDO("sqlite:host=$host");
    }

    // Set PDO attributes
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    // New database details
    $newDatabaseName = 'new_database_name';
    $newDatabaseUsername = 'new_database_username';
    $newDatabasePassword = 'new_database_password';

    // Create new database
    if ($dbType == 'mysql') {
        $pdo->exec("CREATE DATABASE `$newDatabaseName`");
    } elseif ($dbType == 'postgresql') {
        $pdo->exec("CREATE DATABASE $newDatabaseName");
    } elseif ($dbType == 'sqlite') {
        $pdo->exec("CREATE DATABASE $newDatabaseName");
    }
    echo "Created new database '$newDatabaseName'\n";

    // Create new user with access to the new database
    if ($dbType == 'mysql') {
        $pdo->exec("CREATE USER '$newDatabaseUsername'@'localhost' IDENTIFIED BY '$newDatabasePassword'");
        $pdo->exec("GRANT ALL PRIVILEGES ON `$newDatabaseName`.* TO '$newDatabaseUsername'@'localhost'");
    } elseif ($dbType == 'postgresql') {
        $pdo->exec("CREATE USER $newDatabaseUsername WITH PASSWORD '$newDatabasePassword'");
        $pdo->exec("GRANT ALL PRIVILEGES ON DATABASE $newDatabaseName TO $newDatabaseUsername");
    } elseif ($dbType == 'sqlite') {
        // SQLite doesn't have users and privileges, so skip this step
    }
    echo "Created new user '$newDatabaseUsername'\n";
    echo "Granted all privileges to user '$newDatabaseUsername' on database '$newDatabaseName'\n";

    // Connect to the new database as the new user
    if ($dbType == 'mysql') {
        $pdo = new PDO("mysql:host=$host;dbname=$newDatabaseName", $newDatabaseUsername, $newDatabasePassword);
    } elseif ($dbType == 'postgresql') {
        $pdo = new PDO("pgsql:host=$host;dbname=$newDatabaseName", $newDatabaseUsername, $newDatabasePassword);
    } elseif ($dbType == 'sqlite') {
        $pdo = new PDO("sqlite:$newDatabaseName");
    }
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    // Path to SQL file to import
    $sqlFile = '/path/to/sql/file.sql';

    // Import SQL file
    $sql = file_get_contents($sqlFile);
    $pdo->exec($sql);
    echo "Imported SQL file '$sqlFile' into database '$newDatabaseName'\n";

} catch (PDOException $e) {
    echo $e->getMessage();
}