Re: [PHP4BETA] PHP and cwd/chdir in a threaded environment

> I see another potential problem with using PHP in a threaded > environment - chdir is generally a nono. They are not thread-local but > process global. Even though my current php implementation is run in a > serial manner (the PHP module has a lock in it), Roxen wouldn't like > getting the current directory being changed. This cause two problems: > > 1) PHP scripts expect CWD to be the current directory. inserts > wouldn't work unless the complete path is used. > 2) chdir from a PHP script would (could) mess up Roxen. > > My suggestion is to use a "virtual" file system model in PHP. Ie, have > the "cwd" be a variable in the of the script global structs. Every > time you open a file with a relative path use the "cwd" from that > structure as the base directory. > > It should really be a rather easy thing to implement since it doesn't > affect that many functions. What about existing scripts that do any sort of system/exec/popen/passthru? They would break. I agree that this is probably the best solution and that we need to do something here, but I don't think we can make this backward compatible to the user. -Rasmus