<s>
P*	B-Language
(	O
pronounced	O
"	O
P-star	O
"	O
)	O
is	O
a	O
programming	O
language	O
meant	O
to	O
be	O
useful	O
in	O
web	O
development	O
for	O
creating	O
dynamic	O
HTML	B-Language
documents	I-Language
.	O
</s>
<s>
The	O
language	O
provides	O
syntax	O
for	O
templates	B-Application
and	O
prepared	B-Language
SQL-statements	I-Language
.	O
</s>
<s>
P*	B-Language
programs	O
are	O
scripts	O
which	O
are	O
run	O
by	O
the	O
P*	B-Language
interpreter	B-Application
.	O
</s>
<s>
The	O
syntax	O
is	O
inspired	O
from	O
other	O
C-family	O
languages	O
.	O
</s>
<s>
The	O
code	O
of	O
a	O
P*	B-Language
program	O
is	O
placed	O
into	O
scenes	O
,	O
and	O
the	O
HTML	B-Language
markup	I-Language
is	O
typically	O
placed	O
inside	O
templates	B-Application
.	O
</s>
<s>
All	O
programs	O
must	O
provide	O
exactly	O
one	O
scene	O
called	O
'	O
main	O
 '	O
,	O
which	O
is	O
the	O
first	O
to	O
run	O
by	O
the	O
interpreter	B-Application
.	O
</s>
<s>
A	O
small	O
P*	B-Language
web	O
page	O
,	O
where	O
the	O
code	O
for	O
the	O
program	O
sits	O
inside	O
the	O
scene	O
called	O
'	O
main	O
 '	O
and	O
the	O
HTML	B-Language
markup	I-Language
is	O
put	O
inside	O
a	O
template	O
,	O
can	O
look	O
like	O
this	O
:	O
</s>
<s>
When	O
scenes	O
and	O
templates	B-Application
in	O
P*	B-Language
are	O
called	O
,	O
the	O
callee	O
inherits	O
all	O
variables	O
which	O
is	O
available	O
from	O
where	O
the	O
call	O
is	O
made	O
.	O
</s>
<s>
P*	B-Language
provides	O
eight	O
basic	O
types	O
for	O
storing	O
data	O
in	O
variables	O
.	O
</s>
<s>
All	O
variables	O
is	O
required	O
to	O
have	O
a	O
type	O
,	O
but	O
P*	B-Language
automatically	O
converts	O
between	O
them	O
.	O
</s>
<s>
P*	B-Language
programs	O
are	O
run	O
by	O
the	O
P*	B-Language
interpreter	B-Application
.	O
</s>
<s>
A	O
typical	O
way	O
to	O
run	O
scripts	O
is	O
to	O
include	O
a	O
shebang	B-Operating_System
on	O
the	O
first	O
line	O
of	O
the	O
scripts	O
(	O
like	O
#	O
!	O
/usr/bin/wpl	O
-f	O
)	O
and	O
execute	O
the	O
scripts	O
from	O
the	O
shell	O
,	O
or	O
placing	O
the	O
scripts	O
inside	O
CGI-configured	O
directories	O
of	O
a	O
webserver	O
.	O
</s>
<s>
An	O
interpreter	B-Application
module	O
for	O
the	O
Apache	B-Application
web	I-Application
server	I-Application
is	O
also	O
available	O
.	O
</s>
