$host = env('DB_HOST', 'localhost');
$database = env('DB_DATABASE', 'aaa');
$user = env('DB_USERNAME', '22222');
$pass = env('DB_PASSWORD', '11111');
$table = 'table';
$column = 'json';
$connection = pg_connect("host=$host dbname=$database user=$user password=$pass");
$result = pg_fetch_all(pg_query($connection, "SELECT $column->>'name' FROM "$table" "));