<s>
ProcessWire	B-Language
is	O
a	O
free	B-Application
and	O
open	B-Application
source	I-Application
content	B-Protocol
management	I-Protocol
system	I-Protocol
(	O
CMS	O
)	O
,	O
content	B-Protocol
management	I-Protocol
framework	I-Protocol
(	O
CMF	O
)	O
and	O
web	B-Application
application	I-Application
framework	I-Application
(	O
WAF	O
)	O
written	O
in	O
the	O
PHP	B-Application
programming	I-Application
language	I-Application
.	O
</s>
<s>
It	O
is	O
distributed	O
under	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
2.0	I-License
.	O
</s>
<s>
ProcessWire	B-Language
is	O
built	O
around	O
an	O
API	B-Application
with	O
usage	O
and	O
naming	O
conventions	O
similar	O
to	O
the	O
JavaScript	B-Application
framework	I-Application
jQuery	B-Language
.	O
</s>
<s>
The	O
stated	O
goal	O
behind	O
the	O
API	B-Application
is	O
to	O
provide	O
the	O
level	O
of	O
accessibility	O
and	O
control	O
to	O
pages	O
in	O
a	O
website	O
that	O
jQuery	B-Language
provides	O
to	O
the	O
DOM	O
.	O
</s>
<s>
Content	O
is	O
managed	O
either	O
via	O
the	O
API	B-Application
or	O
the	O
web-based	O
admin	O
control	O
panel	O
.	O
</s>
<s>
ProcessWire	B-Language
is	O
largely	O
used	O
for	O
development	O
of	O
web	O
sites	O
,	O
web	O
applications	O
,	O
services	O
,	O
content	O
feeds	O
and	O
related	O
applications	O
.	O
</s>
<s>
Before	O
and	O
during	O
development	O
of	O
a	O
website	O
or	O
application	O
,	O
the	O
audience	O
for	O
ProcessWire	B-Language
consists	O
largely	O
of	O
web	O
developers	O
and	O
web	O
designers	O
.	O
</s>
<s>
Within	O
this	O
audience	O
,	O
ProcessWire	B-Language
is	O
used	O
as	O
both	O
a	O
development	O
tool	O
and	O
a	O
CMS	O
.	O
</s>
<s>
This	O
audience	O
uses	O
ProcessWire	B-Language
primarily	O
as	O
a	O
CMS	O
to	O
manage	O
content	O
.	O
</s>
<s>
ProcessWire	B-Language
has	O
been	O
in	O
active	O
development	O
since	O
2003	O
.	O
</s>
<s>
From	O
2007	O
to	O
2010	O
it	O
was	O
developed	O
as	O
ProcessWire	B-Language
1.x	O
.	O
</s>
<s>
ProcessWire	B-Language
became	O
an	O
open	B-Application
source	I-Application
community	O
project	O
in	O
2010	O
and	O
it	O
is	O
currently	O
developed	O
as	O
ProcessWire	B-Language
2.x	O
and	O
3.x	O
.	O
</s>
<s>
ProcessWire	B-Language
has	O
had	O
8	O
significant	O
version	O
releases	O
,	O
and	O
more	O
than	O
100	O
minor	O
version	O
releases	O
since	O
the	O
first	O
open	B-Application
source	I-Application
release	O
.	O
</s>
<s>
ProcessWire	B-Language
has	O
active	O
,	O
global	O
end-user	O
and	O
developer	O
communities	O
.	O
</s>
<s>
These	O
communities	O
have	O
translated	O
ProcessWire	B-Language
from	O
English	O
into	O
their	O
native	O
languages	O
,	O
including	O
:	O
Chinese	O
,	O
Croatian	O
,	O
Czech	O
,	O
Dutch	O
,	O
French	O
,	O
German	O
,	O
Greek	O
,	O
Hebrew	O
,	O
Hungarian	O
,	O
Italian	O
,	O
Japanese	O
,	O
Portuguese	O
,	O
Russian	O
,	O
Slovak	O
,	O
Spanish	O
,	O
Swedish	O
,	O
Turkish	O
,	O
Ukrainian	O
and	O
Vietnamese	O
.	O
</s>
<s>
The	O
central	O
hub	O
of	O
the	O
ProcessWire	B-Language
communities	O
are	O
found	O
in	O
the	O
developer	O
support	O
forums	O
.	O
</s>
<s>
In	O
November	O
2016	O
ProcessWire	B-Language
was	O
awarded	O
as	O
CMS	O
Critic	O
's	O
Best	O
Small	O
Business	O
CMS	O
.	O
</s>
<s>
In	O
July	O
2016	O
Smashing	O
Magazine	O
published	O
A	O
Beginners	O
Guide	O
to	O
ProcessWire	B-Language
.	O
</s>
<s>
Since	O
January	O
2016	O
Envato	O
Tuts+	O
has	O
published	O
several	O
articles	O
and	O
tutorials	O
on	O
ProcessWire	B-Language
.	O
</s>
<s>
In	O
January	O
2015	O
ProcessWire	B-Language
was	O
awarded	O
as	O
CMS	O
Critic	O
's	O
Best	O
Free	B-Application
PHP	B-Application
CMS	O
.	O
</s>
<s>
In	O
December	O
2014	O
PHP	B-Application
Architect	O
published	O
ProcessWire	B-Language
:	O
Flexibility	O
,	O
Power	O
,	O
and	O
a	O
Generous	O
Dose	O
of	O
Pure	O
Fun	O
.	O
</s>
<s>
In	O
December	O
2012	O
ProcessWire	B-Language
was	O
awarded	O
as	O
CMS	O
Critic	O
's	O
Best	O
Free	B-Application
CMS	O
.	O
</s>
<s>
ProcessWire	B-Language
is	O
built	O
around	O
a	O
page	O
content	O
tree	O
(	O
as	O
opposed	O
to	O
a	O
bucket	O
system	O
)	O
.	O
</s>
<s>
One	O
uses	O
this	O
same	O
path	O
to	O
reference	O
the	O
page	O
in	O
the	O
API	B-Application
.	O
</s>
<s>
As	O
a	O
result	O
,	O
this	O
connection	O
of	O
the	O
path	O
to	O
the	O
internal	O
tree	O
hierarchy	O
defines	O
the	O
architecture	O
of	O
ProcessWire	B-Language
.	O
</s>
<s>
Beyond	O
the	O
parent-child	O
relationship	O
implied	O
by	O
a	O
content	O
tree	O
,	O
ProcessWire	B-Language
supports	O
relational	O
one-to-one	O
and	O
one-to-many	O
references	O
between	O
pages	O
in	O
the	O
tree	O
.	O
</s>
<s>
Templates	O
in	O
ProcessWire	B-Language
are	O
a	O
content	O
type	O
that	O
contains	O
one	O
or	O
more	O
custom	O
fields	O
representing	O
the	O
definition	O
of	O
the	O
content	O
type	O
.	O
</s>
<s>
Every	O
page	O
in	O
ProcessWire	B-Language
is	O
assigned	O
to	O
a	O
template	O
which	O
then	O
represents	O
the	O
type	O
of	O
page	O
.	O
</s>
<s>
Templates	O
optionally	O
have	O
an	O
associated	O
PHP	B-Application
file	O
,	O
referred	O
to	O
as	O
the	O
template-file	O
.	O
</s>
<s>
The	O
template-file	O
is	O
provided	O
with	O
several	O
API	B-Application
variables	O
,	O
the	O
most	O
notable	O
being	O
the	O
$page	O
API	B-Application
variable	O
,	O
which	O
contains	O
all	O
the	O
fields	O
and	O
content	O
of	O
the	O
current	O
page	O
being	O
viewed	O
.	O
</s>
<s>
ProcessWire	B-Language
's	O
default	O
web	O
site	O
profiles	O
use	O
template-files	O
primarily	O
for	O
output	O
of	O
direct	O
and	O
dynamically	O
generated	O
HTML	O
markup	O
.	O
</s>
<s>
Because	O
template-files	O
are	O
regular	O
PHP	B-Application
files	O
,	O
they	O
are	O
able	O
to	O
call	O
upon	O
other	O
web	O
services	O
or	O
PHP	B-Application
applications	O
where	O
appropriate	O
,	O
without	O
a	O
separate	O
parsing	O
layer	O
.	O
</s>
<s>
All	O
fields	O
in	O
ProcessWire	B-Language
are	O
custom	O
fields	O
defined	O
by	O
the	O
user	O
.	O
</s>
<s>
ProcessWire	B-Language
includes	O
several	O
fieldtype	O
modules	O
including	O
those	O
that	O
support	O
text	O
,	O
numbers	O
,	O
files	O
,	O
images	O
,	O
page	O
references	O
,	O
URLs	O
,	O
email	O
addresses	O
,	O
dates	O
and	O
comments	O
.	O
</s>
<s>
ProcessWire	B-Language
's	O
source	O
code	O
is	O
hosted	O
on	O
GitHub	B-Application
and	O
is	O
also	O
distributed	O
on	O
Softaculous	O
,	O
Bitnami	B-General_Concept
and	O
Composer/Packagist	B-Application
.	O
</s>
<s>
ProcessWire	B-Language
runs	O
in	O
the	O
AMP	O
(	O
Apache	B-Application
,	O
MySQL	B-Application
,	O
PHP	B-Application
)	O
platform	O
used	O
by	O
many	O
hosting	O
providers	O
and	O
web	O
development	O
environments	O
.	O
</s>
<s>
ProcessWire	B-Language
requires	O
PHP	B-Application
version	O
5.3.8	O
or	O
newer	O
,	O
and	O
MySQL	O
5.0.15	O
or	O
newer	O
.	O
</s>
