When debugging Drupal, I often stick
dpm($some_array, "my array"); calls to see what the value of
This fails spectacularly if the code I'm debugging is run very late in the request after
drupal_get_messages() has already been called. (Eg most
In that case, I've found it useful to add these helper functions somewhere (any enabled custom module, or even
index.php), use them instead of
dpm. They'll serialize objects to apache's error_log (wherever that is), which you can track by opening a terminal tab and running:
tail -f /var/log/apache2/error.log | tr '%' "\n"