Database.php

<?php

namespace Config;

/**
 * Database Configuration
 *
 * @package Config
 */

class Database extends \CodeIgniter\Database\Config
{
    /**
     * The directory that holds the Migrations
     * and Seeds directories.
     *
     * @var string
     */
    public $filesPath = APPPATH . 'Database/';

    /**
     * Lets you choose which connection group to
     * use if no other is specified.
     *
     * @var string
     */
    public $defaultGroup = 'default';

    /**
     * The default database connection.
     *
     * @var array
     */
    public $default = [
        'DSN' => '',
        'hostname' => 'localhost',
        'username' => '',
        'password' => '',
        'database' => '',
        'DBDriver' => 'MySQLi',
        'DBPrefix' => 'cp_',
        'pConnect' => false,
        'DBDebug' => ENVIRONMENT !== 'production',
        'cacheOn' => false,
        'cacheDir' => '',
        'charset' => 'utf8',
        'DBCollat' => 'utf8_general_ci',
        'swapPre' => '',
        'encrypt' => false,
        'compress' => false,
        'strictOn' => false,
        'failover' => [],
        'port' => 3306,
    ];

    /**
     * This database connection is used when
     * running PHPUnit database tests.
     *
     * @var array
     */
    public $tests = [
        'DSN' => '',
        'hostname' => '127.0.0.1',
        'username' => '',
        'password' => '',
        'database' => ':memory:',
        'DBDriver' => 'SQLite3',
        'DBPrefix' => 'db_', // Needed to ensure we're working correctly with prefixes live. DO NOT REMOVE FOR CI DEVS
        'pConnect' => false,
        'DBDebug' => ENVIRONMENT !== 'production',
        'cacheOn' => false,
        'cacheDir' => '',
        'charset' => 'utf8',
        'DBCollat' => 'utf8_general_ci',
        'swapPre' => '',
        'encrypt' => false,
        'compress' => false,
        'strictOn' => false,
        'failover' => [],
        'port' => 3306,
    ];

    //--------------------------------------------------------------------

    public function __construct()
    {
        parent::__construct();

        // Ensure that we always set the database group to 'tests' if
        // we are currently running an automated test suite, so that
        // we don't overwrite live data on accident.
        if (ENVIRONMENT === 'testing') {
            $this->defaultGroup = 'tests';

            // Under Travis-CI, we can set an ENV var named 'DB_GROUP'
            // so that we can test against multiple databases.
            if ($group = getenv('DB')) {
                if (is_file(TESTPATH . 'travis/Database.php')) {
                    require TESTPATH . 'travis/Database.php';

                    if (
                        !empty($dbconfig) &&
                        array_key_exists($group, $dbconfig)
                    ) {
                        $this->tests = $dbconfig[$group];
                    }
                }
            }
        }
    }

    //--------------------------------------------------------------------
}