If you right-button click on the line number, the number is highlighted in green, and the right of the window with the code will have a green mark-link. I enjoyed the 'bookmarks' if they are few enough.
These bookmarks are stored and between seansai.
Will pay attention to the combination "alt+left/right". They move to the previous/next context in which you worked. However, in Zend, at least my ancient version of 5.1, it works just the same, stupid, moving, for example, in the previous function, with which I worked, and stupidly at the previous cursor position.
Well enough this move works, for example, in NetBeans.
Ctrl+shift+R — opens the list of recently opened files.