src/WordPress/Plugin.php
protected function getDefaultDatabaseConnectionConfig()
  {
    global $table_prefix;

    $default = [
      'driver'    => 'mysql',
      'host'      => getenv('DB_HOST'),
      'port'      => getenv('DB_PORT'),
      'database'  => getenv('DB_NAME'),
      'username'  => getenv('DB_USER'),
      'password'  => getenv('DB_PASSWORD'),
      'charset'   => getenv('DB_CHARSET'),
      'collation' => getenv('DB_COLLATE'),
      'prefix'    => getenv('DB_PREFIX') ?: $table_prefix,
      'timezone'  => getenv('DB_TIMEZONE') ?: '+00:00',
      'strict'    => getenv('DB_STRICT_MODE') ?: false,
    ];

    if (empty($default['database']) && defined('DB_NAME')) {
      $default['database'] = DB_NAME;
    }

    if (empty($default['username']) && defined('DB_USER')) {
      $default['username'] = DB_USER;
    }

    if (empty($default['password']) && defined('DB_PASSWORD')) {
      $default['password'] = DB_PASSWORD;
    }

    if (empty($default['host']) && defined('DB_HOST')) {
      $default['host'] = DB_HOST;
    }

    if (empty($default['charset']) && defined('DB_CHARSET')) {
      $default['charset'] = DB_CHARSET;
    }

    if (empty($default['collation'])) {
      if (defined('DB_COLLATE') && DB_COLLATE) {
        $default['collation'] = DB_COLLATE;
      } else {
        $default['collation'] = 'utf8_unicode_ci';
      }
    }

    return $default;
  }
protected function getDefaultDatabaseConnectionConfig()
  {
    global $table_prefix;

    $default = [
      'driver'    => 'mysql',
      'host'      => getenv('DB_HOST'),
      'port'      => getenv('DB_PORT'),
      'database'  => getenv('DB_NAME'),
      'username'  => getenv('DB_USER'),
      'password'  => getenv('DB_PASSWORD'),
      'charset'   => getenv('DB_CHARSET'),
      'collation' => getenv('DB_COLLATE'),
      'prefix'    => getenv('DB_PREFIX') ?: $table_prefix,
      'timezone'  => getenv('DB_TIMEZONE') ?: '+00:00',
      'strict'    => getenv('DB_STRICT_MODE') ?: false,
    ];

    if (empty($default['database']) && defined('DB_NAME')) {
      $default['database'] = DB_NAME;
    }

    if (empty($default['username']) && defined('DB_USER')) {
      $default['username'] = DB_USER;
    }

    if (empty($default['password']) && defined('DB_PASSWORD')) {
      $default['password'] = DB_PASSWORD;
    }

    if (empty($default['host']) && defined('DB_HOST')) {
      $default['host'] = DB_HOST;
    }

    if (empty($default['charset']) && defined('DB_CHARSET')) {
      $default['charset'] = DB_CHARSET;
    }

    if (empty($default['collation'])) {
      if (defined('DB_COLLATE') && DB_COLLATE) {
        $default['collation'] = DB_COLLATE;
      } else {
        $default['collation'] = 'utf8_unicode_ci';
      }
    }

    return $default;
  }
protected function getDefaultDatabaseConnectionConfig ( ) { global $ table_prefix ; $ default = [ 'driver' => 'mysql' , 'host' => getenv ( 'DB_HOST' ) , 'port' => getenv ( 'DB_PORT' ) , 'database' => getenv ( 'DB_NAME' ) , 'username' => getenv ( 'DB_USER' ) , 'password' => getenv ( 'DB_PASSWORD' ) , 'charset' => getenv ( 'DB_CHARSET' ) , 'collation' => getenv ( 'DB_COLLATE' ) , 'prefix' => getenv ( 'DB_PREFIX' ) ? : $ table_prefix , 'timezone' => getenv ( 'DB_TIMEZONE' ) ? : '+00:00' , 'strict' => getenv ( 'DB_STRICT_MODE' ) ? : false , ] ; if ( empty ( $ default [ 'database' ] ) && defined ( 'DB_NAME' ) ) { $ default [ 'database' ] = DB_NAME ; } if ( empty ( $ default [ 'username' ] ) && defined ( 'DB_USER' ) ) { $ default [ 'username' ] = DB_USER ; } if ( empty ( $ default [ 'password' ] ) && defined ( 'DB_PASSWORD' ) ) { $ default [ 'password' ] = DB_PASSWORD ; } if ( empty ( $ default [ 'host' ] ) && defined ( 'DB_HOST' ) ) { $ default [ 'host' ] = DB_HOST ; } if ( empty ( $ default [ 'charset' ] ) && defined ( 'DB_CHARSET' ) ) { $ default [ 'charset' ] = DB_CHARSET ; } if ( empty ( $ default [ 'collation' ] ) ) { if ( defined ( 'DB_COLLATE' ) && DB_COLLATE ) { $ default [ 'collation' ] = DB_COLLATE ; } else { $ default [ 'collation' ] = 'utf8_unicode_ci' ; } } return $ default ; }
Try to load the database configuration from the environment first
using getenv; finding none, look to the traditional constants typically
defined in wp-config.php
@return array
Try to load the database configuration from the environment first using getenv ; finding none look to the traditional constants typically defined in wp - config . php