[ 'driver' => 'pgsql', 'host' => 'localhost', 'port' => 5432, 'database' => 'wikipali', 'username' => 'postgres', 'password' => '123456', ], 'db_b' => [ 'driver' => 'pgsql', 'host' => 'localhost', 'port' => 5432, 'database' => 'wikipali', 'username' => 'postgres', 'password' => '123456', ], 'db_c' => [ 'driver' => 'pgsql', 'host' => 'localhost', 'port' => 5432, 'database' => 'wikipali', 'username' => 'postgres', 'password' => '123456', ], 'db_d' => [ 'driver' => 'pgsql', 'host' => 'localhost', 'port' => 5432, 'database' => 'wikipali', 'username' => 'postgres', 'password' => '123456', ], ]; define("DB_A", 'pgsql:'. "host=localhost;". "port=5432;". "dbname=wikipali;". "user=postgres;". "password=123456;"); define("DB_B", 'pgsql:'. "host=localhost;". "port=5432;". "dbname=wikipali;". "user=postgres;". "password=123456;"); define("DB_C", 'pgsql:'. "host=localhost;". "port=5432;". "dbname=wikipali;". "user=postgres;". "password=123456;"); define("DB_D", 'pgsql:'. "host=localhost;". "port=5432;". "dbname=wikipali;". "user=postgres;". "password=123456;");