Re: Re: 64 bit string offsets

On 30/08/2014 14:03, Chris Wright wrote: > On 30 August 2014 12:53, Matteo Beccati <php@beccati.com> wrote: >> Even though size_t allows "huge" strings, would it be so bad to throw an >> error when one tries to create a string longer than 2^32 bytes, >> regardless of memory_limit? > > This would be an unnecessary and somewhat arbitrary limitation. Yes, > loading >2GB of *anything* into memory in PHP *probably* makes no > sense (probably 99% of real-world installations have memory_limit set > much lower than this anyway), but just because we cannot think of a > valid use case does not mean there isn't one. > > If the string index deref issue cannot be solved, it can simply be > documented as only working for offsets up to 2^31, but I personally am > not in favour of imposing limitations on the size of a string for a > non-technical reason. Well, the only use case I can think of for strings >2GB involves modifying it in place. Crazy, but valid nonetheless. Too bad string offsets can't be used for the part exceeding the 2GB limit ;) Non-working string offsets to me sounds like a technical reason and not something arbitrary. Cheer -- Matteo Beccati Development & Consulting - http://www.beccati.com/