Xdebug in a nutshell

• Input commands as "command line parameters"

• property_get -n $foo -d 2 -i 81

• Output data as documented XML:

data_length
[NULL]
<response command="command_name" transaction_id="transaction_id"/>
[NULL]

• Cross-language: PHP, Python, Perl...

• Supported in Xdebug 2