is() is(string $filename) Does the given file exist? Parameters string $filename The class name to look for.
find_file() find_file( $filename) Find the file associated with a class. Similar to is() but returns the first file that exists, or Null if no possible matches were found. Parameters $filename
find_class() find_class( $class) Get a class name for a file. This performs a require_once on the file as well. Parameters $class
addDir() addDir(string $dir, $top = False) Add a directory to search through. Parameters string $dir The name of the directory to add. $top
class_id() class_id( $object) Get a class id from an object instance. This is not generally recommended for use anymore, and is not guaranteed to exist in other Loader classes. Parameters $object