Re: Return Values Copied? Copied if By Reference?

On Wednesday 26 July 2006 21:41, Robert Cummings wrote: > > I'm working on some code that would be called to generate a cell in a > > possibly large table and therefore a small difference in performance > > may have a significant impact. > > PHP uses copy-on-write and so copies are essentially shared until such > time as you modify one of them. If you don't need references then copies > are faster than references. By the same token, then, if I have a function that generates a large string and returns it, is there any benefit to return-by-reference? -- Larry Garfield AIM: LOLG42 larry@garfieldtech.com ICQ: 6817012 "If nature has made any one thing less susceptible than all others of exclusive property, it is the action of the thinking power called an idea, which an individual may exclusively possess as long as he keeps it to himself; but the moment it is divulged, it forces itself into the possession of every one, and the receiver cannot dispossess himself of it." -- Thomas Jefferson