Re: Substring writes and buffered char streams

> Strings are cheap in Java too. The issue is object creation and cleanup. When the strings are > very large or very numerous, we could be talking about thousands of substrings per page hit. This > increases the strain on both the clock speed and the memory of the host machine. Theory aside, I > can get as much as a tenfold improvement in throughput with such techniques in Java. did you bother to benchmark php yet? php != java (despite popular conspiracy theory). > >$fp = fopen(...) ? > >$fp = tmpfile() ? > > Right, I should have mentioned this possibility. The main reason for taking these precautions > is throughput. I need in-memory streams. Can I create a memory-only file? yes and no ;) the code is in PHP but not exposed to user-space. Turning it on is trivial, but wont be available until 5.1, likewise with your proposed modification for fwrite().