[TYPO3-core] Introducing a BE rootline cache

[Ingmar Schlecht]

Oliver Hader schrieb:
> Generally this looks good. But could you please adapt the following:
> $cached =& $GLOBALS['T3_VAR']['BEgetRootLine_cache'][$uid][...][...];
> if (is_array($cached)) {
> 	return $cached;
> }
> 
> Result: +1 after testing and reading the patch

Better without the reference (=&) and just using "=", because that's
faster and more common in PHP*. PHP internally creates a reference if
you use "=" as well anyway and only does a copy if necessary once you
changed something.

cheers
Ingmar

* At least I heard rumors that that was faster... Didn't check by myself.