How To

Drupal is an extremely flexible framework that you can manipulate in multiple ways. In Drupal, the theming is the final phase in the process of generation of dynamic web pages. It converts the data from PHP objects and arrays into HTML markup and CSS styles. Read on to know how to convert a PSD/HTML design to a standard Drupal theme

Consider a case where you want to enter regular expression and validate it. Here I will show you how to write a validation function. For example consider YOURMODULE_admin_settings_validate function In my example I am using a form and a submit button.From $form_state array you can get the input value after submit. You need this value to match with the string. See the code below.

In a Drupal site, I was working on, I found that many of the modules were unused. Their presence was increasing the size of the site and consuming time when searching for useful info. So I thought of removing these modules.It makes our job a lot easier if we are using Drush Read on to know how to remove unused modules in a Drupal site with the help Drush.

Customer relationship management is a model for managing a company’s interactions with customers. Sugar CRM is one of the largest open source CRM available. Drupal can be integrated with Sugar CRM using SugaronDrupal module. Read on to know how to pass the value of a field related to a field in another module in Sugar CRM while working with Drupal.

If you frequently have to set up git version control system for existing projects then you would very likely run into the problem of having to remove files, which should not have been in git, from git after they were added. Running a git rm will only delete the file from the head and the file would still remain in the repository. This may be alright for small files but this could be troublesome for large files as these would unnecessarily bloat the git repository. But don't worry git being a 'swiss army knife' of version control systems there is a solution to delete files permanently from both your local and remote git repositories.

What do you do if you have to take your Drupal site into maintenance mode from the command line? Well you can do this easily if you have drush set up on your server. With drush you can do quite a lot powerful drupal administration tasks right from the command line. In Drupal 6 The following drush command will take your Drupal site offline drush vset site_offline 1 The following drush command will take your Drupal site back online drush vdel site_offline In Drupal 7

On one of our recent Drupal projects we came across an issue where the file browse button was not triggering the file selection dialog in IE10 in Windows 8. The problem was diagnosed to be the result of jquery not getting the click event from the button. The site was using jquery 1.44 and this problem is supposed to be fixed in later versions of jquery.

Those of you who have been regularly visiting this site would have started seeing small changes in the site related to how it integrates with social media sites. I have been experimenting on how to increase the interactions between us and the visitors on the site as well as between visitors on the site. This is still a work in progress but I wanted to share with you some of the things I have changed on the site

In this article I am going to tell you how to redirect anonymous users to a login form on 403 access denied pages in Drupal. There are some contributed module that provides you this feature but, if you really want to create a custom one for your site just try this. Here I will show you a PHP snippet that redirecting to login page for anonymous users on access denied.

I have a few images in a folder on a Drupal site I was recently working on. The Drupal site also had a content type that contained a title and an image field and I had a requirement to create a node for each of these images. Read on to find out how to add a file to the image field of a node programmatically in Drupal 6.

In one of our Drupal projects which sells products online, our clients requirement was to collect tax from some states and to exempt other states from tax collection. We implemented this by integrating taxcloud account with ubercart using uc_taxcloud module. Read on to know how we implemented this.

Sometimes we use Drupal view_query_alter to add or modify the view's where clause. To add a new WHERE clause we may use add_where property. Whenever we use an add_where, it will create a WHERE clause along with an AND condition. There will be some cases were we need to use OR instead of AND. So if you want to know more about how to use OR clause in hook_view_query_alter, read on to know more.

I have created a module for my Drupal project. That module requires a vocabulary that should be created when installing the module itself. To create the vocabularies, while installation itself we have to implement the code in the install hook. Read on to know the code to create a vocabulary named as 'Categories'.

When I was working on a website in Drupal 6 I wanted to theme the pager provided by views in a custom way. Finally I found a solution for the issue. If you also want to theme the pager in a View for your Drupal website you can follow the method below.