Publisher review:A module containing helper functions for Drupal developers and inquisitive admins. A module containing helper functions for Drupal developers and inquisitive admins.
This module can print a log of all database queries for each page request at the bottom of each page. The summary includes how many times each query was executed on a page, and how long each query took.
Features
- A block for running custom PHP on a page
- A block for quickly accessing devel pages
- A block for masquerading as other users (useful for testing) reports memory usage at bottom of page
- This module is safe to use on a production site. Just be sure to only grant 'access development information' permission to developers.
- Also a dpr() function is provided, which pretty prints arrays and strings. Useful during development. Many other nice functions like dpm(), dvm().
Included
- devel_themer.module which outputs deep information related to all theme calls on a page.
- devel_node_access module which prints out the node_access records for a given node. Also offers
- hook_node_access_explain for all node access modules to implement. Handy.
- devel_generate.module which bulk creates nodes, users, comment, terms for development
- macro.module which records form submissions and can pay them back later or on another site.
Requirements: ยท Drupal 5.x/6.x
Devel is a PHP script for Drupal Modules scripts design by Moshe Weitzman.
It runs on following operating system: Windows / Linux / Mac OS / BSD / Solaris.
Operating system:Windows / Linux / Mac OS / BSD / Solaris
Devel script details 
