> On Thu, 2004-09-09 at 14:10, Martin Holm wrote:
> > I'm currently working on some stuff with php-cli and got a few problem.
> >
> > I want to be able to read one single character from stdin via keyboard,
> > ie. pressing a button.
> > It works fine if I use enter as newline afterwards, but I would like to
> > do it without pressing enter.
> > Thus, I have to turn off buffering in the input stream but I can't find
> > any way to do it.
> >
> > Been looking everywhere on php.net but can't find any hints.
>
> I have never been able to find a way to disable STDIN buffering in PHP.
>
> You may find ncurses_getch() of use however.
>
> http://www.php.net/ncurses_getch
>
>
> --
> Greg Donald
>
I'm not sure how great this solution is but here it is anyway:
exec("stty -icanon min 0 time 0");
The "-icanon" turns of canonical reading of stdin. The "min" has to do with
the minimum characters needed for a read to be complete while "time" sets
the read timeout (0 means no timeout and no minimum characters).
You can also turn off echo if you don't need the user to see what they type:
exec("stty -icanon -echo min 0 time 0");
If you do this and run your script it will affect your terminal. If you
happen to turn echo off just hit Ctrl c (to clear any invisible commands)
and type (blindly) "stty echo" to turn it back on. To see the current
terminal options do "stty" or "stty -a" to see everything. "man stty" is
just as much fun. :-)
Good luck,
Jim Grill
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