<s>
Xdebug	B-Language
is	O
a	O
PHP	B-Application
extension	O
which	O
provides	O
debugging	O
and	O
profiling	O
capabilities	O
.	O
</s>
<s>
It	O
uses	O
the	O
DBGp	B-Application
debugging	O
protocol	O
.	O
</s>
<s>
The	O
debug	O
information	O
that	O
Xdebug	B-Language
can	O
provide	O
includes	O
the	O
following	O
:	O
</s>
<s>
stack	B-Language
and	O
function	O
traces	O
in	O
error	O
messages	O
with	O
:	O
</s>
<s>
Xdebug	B-Language
also	O
provides	O
:	O
</s>
<s>
capabilities	O
to	O
debug	O
your	O
scripts	O
interactively	O
with	O
a	O
debugger	B-Application
front-end	O
.	O
</s>
<s>
Xdebug	B-Language
is	O
also	O
available	O
via	O
the	O
PECL	O
.	O
</s>
