Would these changes be incorporated into PHP4, too?
On a related note -- would it be possible (if not already done) to evaluate dirname(__FILE__) at "parse time", in case that gives you a performance advantage? Or is there a better way to do "real" relative includes?
theoretically, if the file is the normally the first one in the include path, then the difference is negligable.
Having had a detail look at APC & the engine, other than the realpath cacheing that rasmus/andi like, I think for pear, if you had an application where stat was becoming an issue, you may be better off
a) using the tokenizer, pre-parse all the php code on the machine that is speed critical. Replace all the require/include calls with a extension function call, eg. a theoretical 'apc_include_file()'
b) let apc_include_file, check if the file has been pre-compiled (based on the a hash lookup of the filenames) , or call the standard zend_compile code.
This would work very well, only assuming you didnt a) dynamicaly create files frequently b) depend on global variables (eg. without $GLOBALS) c) have any kind of strange symlinks
Using that prinicple, you could get down to close 1 stat call per page....., however many includes you really had..
Regards Alan
Cheers, Michael
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