symfony autoloading

Output if spl_autoload_functions()

array
  0 =>
    array
      0 => string 'sfCoreAutoload' (length=14)
      1 => string 'autoload' (length=8)
  1 =>
    array
      0 => string 'sfAutoload' (length=10)
      1 => string 'autoload' (length=8)
  2 =>
    array
      0 => string 'sfAutoloadAgain' (length=15)
      1 => string 'autoload' (length=8)
  3 =>
    array
      0 => string 'sfSimpleAutoload' (length=16)
      1 => string 'autoload' (length=8)
  4 =>
    array
      0 => string 'Doctrine_Core' (length=13)
      1 => string 'autoload' (length=8)
  5 =>
    array
      0 => string 'Swift' (length=5)
      1 => string 'autoload' (length=8)