It's PHP 5.3's namespacing functionality, in a nutshell.
Symfony2 and Lithium are two frameworks I can currently think of that use them extensively. On the one hand, Symfony2 has a quite extreme implementation, and on the other, Lithium's is much more concise. The backslashes can be used to represent a hierarchy.
Symfony2 and Lithium are two frameworks I can currently think of that use them extensively. On the one hand, Symfony2 has a quite extreme implementation, and on the other, Lithium's is much more concise. The backslashes can be used to represent a hierarchy.