Some clarifications on symfttpd

The basic idea is to start a server without any central configuration to maintain, and no need for any root access, hence generic virtual hosts features of Apache or lighttpd are not complete alternatives, as they at least require editing /etc/hosts.

It uses the FastCGI backend (or “SAPI”) and can by default handle 3 concurrent requests, which is more than enough for development. On the production side, I only use symfttpd to generate the rewrite rules (since lighttpd is also my production server of choice). If you have an opcode cache installed (for instance APC or xcache), it will be used, as fastcgi processes are seldom restarted (by default every 100 requests, I use a higher number on production though). It also does not rely on any hacks to simulate a web request in the CLI: you are doing real requests using a real PHP HTTP backend.

One of the future improvements could be using FPM instead of FastCGI.

Symfttpd can optionality use the fork function to provide two nice features: automatically restart when rewriting rules change, and display the access and error log. However, if you do not have fork support compiled in (it is enabled by default in at least Gentoo, Debian and Ubuntu), it does not mean only one request can be answered at a time (lighttpd does not need fork() by the way, which is one of the reasons it is very fast).

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