<s>
Qcodo	B-Application
is	O
an	O
open-source	O
PHP	B-Application
web	B-Application
application	I-Application
framework	I-Application
which	O
builds	O
an	O
object-relational	O
model	O
(	O
ORM	O
)	O
,	O
CRUD	B-General_Concept
(	O
create	O
,	O
retrieve	O
,	O
update	O
,	O
delete	O
)	O
UI	O
pages	O
,	O
and	O
AJAX	B-General_Concept
hooks	O
from	O
an	O
existing	O
data	O
model	O
.	O
</s>
<s>
The	O
framework	O
consists	O
of	O
three	O
main	O
components	O
:	O
a	O
code	O
generator	O
,	O
QForms	O
(	O
OOP	O
generated	O
stateful	B-Application
Ajax	B-General_Concept
-	O
or	O
server-processed	O
webform	B-General_Concept
)	O
,	O
QQuery	O
(	O
OOP	O
based	O
SQL	B-Language
query	O
builder	O
)	O
--	O
all	O
of	O
which	O
can	O
be	O
used	O
independently	O
of	O
each	O
other	O
.	O
</s>
<s>
The	O
code	O
generator	O
parses	O
an	O
existing	O
relational	O
database	O
structure	O
,	O
and	O
builds	O
an	O
object-relational	B-General_Concept
mapping	I-General_Concept
(	O
ORM	O
)	O
,	O
as	O
well	O
as	O
several	O
remote	O
interfaces	O
(	O
SOAP	O
,	O
AJAX	B-General_Concept
)	O
to	O
the	O
ORM	O
.	O
</s>
<s>
The	O
ORM	O
in	O
Qcodo	B-Application
can	O
be	O
extended	O
to	O
provide	O
user-maintained	O
functionality	O
(	O
via	O
object	O
subclassing	O
)	O
.	O
</s>
<s>
QForms	O
is	O
an	O
ASP.NET-inspired	O
templating	O
engine	O
in	O
which	O
each	O
form	O
element	O
is	O
an	O
object	O
exposing	O
its	O
functionality	O
and	O
state	O
via	O
methods	O
and	O
attributes	O
.	O
</s>
<s>
QForms	O
maintain	O
page	O
as	O
well	O
as	O
form	O
state	O
,	O
and	O
include	O
the	O
ability	O
to	O
validate	O
fields	O
,	O
trigger	O
events	O
,	O
and	O
associate	O
AJAX	B-General_Concept
calls	O
.	O
</s>
<s>
The	O
Qcodo	B-Application
Package	O
Manager	O
(	O
QPM	O
)	O
was	O
introduced	O
starting	O
with	O
Qcodo	B-Application
v0.4.0	O
to	O
allow	O
community	O
members	O
a	O
much	O
more	O
streamlined	O
and	O
efficient	O
way	O
to	O
post	O
and	O
share	O
modules	O
,	O
enhancements	O
and	O
fixes	O
of	O
the	O
Qcodo	B-Application
development	O
framework	O
with	O
each	O
other	O
.	O
</s>
<s>
The	O
Qcodo.com	O
website	O
can	O
be	O
used	O
to	O
view	O
user-submitted	O
QPM	O
packages	O
that	O
community	O
members	O
have	O
contributed	O
at	O
the	O
QPM	O
Section	O
of	O
the	O
website	O
.	O
</s>
<s>
Qcodo	B-Application
was	O
conceived	O
and	O
developed	O
by	O
Mike	O
Ho	O
,	O
and	O
his	O
company	O
Quasidea	O
Development	O
acts	O
as	O
the	O
central	O
maintainer	O
with	O
dozens	O
of	O
contributors	O
from	O
the	O
Qcodo	B-Application
Community	O
that	O
provide	O
new	O
features	O
and	O
releases	O
via	O
the	O
Qcodo	B-Application
website	O
.	O
</s>
<s>
The	O
website	O
,	O
itself	O
,	O
is	O
written	O
in	O
Qcodo	B-Application
and	O
custom	O
developed	O
for	O
the	O
community	O
,	O
including	O
suite	O
of	O
tools	O
like	O
online	O
forums	O
,	O
bug/issue	O
tracking	O
,	O
online	O
showcase	O
and	O
QPM	O
management	O
.	O
</s>
<s>
It	O
is	O
integrated	O
with	O
GitHub	B-Application
to	O
manage	O
releases	O
of	O
the	O
Qcodo	B-Application
Framework	O
itself	O
.	O
</s>
<s>
The	O
code	O
for	O
Qcodo.com	O
is	O
also	O
open	O
sourced	O
and	O
available	O
at	O
GitHub	B-Application
as	O
well	O
.	O
</s>
<s>
The	O
framework	O
has	O
been	O
presented	O
at	O
many	O
conferences	O
across	O
the	O
nation	O
,	O
including	O
the	O
Zend/PHP	O
Conference	O
,	O
the	O
MySQL	O
User	O
's	O
Conference	O
,	O
MySQL	O
's	O
Dev	O
Zone	O
,	O
AjaxWorld	O
conference	O
and	O
expo	O
,	O
and	O
DC	O
PHP	B-Application
.	O
</s>
