There is a big incompatibility between Drupal and PHP5. Check here:
http://drupal.org/node/12621

The coding styles is to be improved. I've got errors from following files:
includes/file.inc
includes/tablesort.inc
includes/module.inc
themes/engines/xtemplate/xtemplate.inc
modules/watchdog.module

Comments

killes@www.drop.org’s picture

killes@www.drop.org commented

The file inc issue referenced was fixed. I am not aware of other warnings other than the ones for xtemplate. Anyway, this is a duplicate of http://drupal.org/node/9292