makeatletter

define@cmdkey[m]{graph}{xmax}{}
define@cmdkey[m]{graph}{xmin}{}
...
define@cmdkey[m]{graph}{label}{}


presetkeys[m]{graph}{
xmax=10,
xmin=0,
ymax=10,
ymin=0,
axis=middle,
ticks=none,
xlabel=x,
ylabel=y,
clip=individual,
domain=0:10.5,
xlabelpl=right,
ylabelpl=above,}{}

newenvironment{graf}[1][]{ %
setkeys[m]{graph}{#1}
begin{tikzpicture}
begin{axis}[
axis lines=cmdm@graph@axis,
unit vector ratio=1 1 1,
every axis x label/.style={at={(1,0)},font=Large,cmdm@graph@xlabelpl},
every axis y label/.style={at={(0,1)},font=Large,cmdm@graph@ylabelpl},
xlabel=$ cmdm@graph@xlabel $,
ylabel=$ cmdm@graph@ylabel $,
domain=cmdm@graph@domain,
xmin=cmdm@graph@xmin,
xmax=cmdm@graph@xmax ,
ymin=cmdm@graph@ymin,
ymax=cmdm@graph@ymax ,
samples=100,
ticks=cmdm@graph@ticks,
no marks,
clip mode=cmdm@graph@clip,
]

}
{end{axis} end{tikzpicture}}


makeatother