Drupal Debugging Snippets

drupal-debug

# Needs Devel Module - shows all defined variables on page
<?php
   dpm( get_defined_vars() );
?>

Viewing Node Data Structures
The drush command line and/or the Devel module's Execute PHP code block can be used to display data structures. Here are sample commands for displaying a node object:

drush: drush php-eval "print print_r(node_load(12), 1)"

PHP block: dpr(node_load(12));