Technical Blog

I had a requirement in one of my Drupal project to generate PDF from HTML. I had implemented the PDF file from HTML using the module MPDF. Let me explain you the following configurations for its working :

The purpose of hook_file_download is to Control access to private file downloads and specify HTTP headers. The hook_file_download_access is restrict the access to certain files based on the entity type. e.g., only users with access to a node should be allowed to download files attached to that node.

Steps to upload private documents to the web page by storing file id in a system variable and delete the file when updating the same with necessary validations in Drupal 7.

Highcharts is a charting library. It is very useful for adding interactive charts to your web site or web application. Follow the steps given below for highchart graph implementation with customizing of colors in each columns in it.

While working with a project, I need to display a view in colorbox popup. I have done the following steps for processing popup for views.

We had a requirement to show the group field in user registration form using Organic groups. Inorder to show group field in user registration form first we have to install the Organic Groups module (OG), Organic groups register module and create an Organic Group.

Creating a module by ourselves, or a new requirement by client would let you to learn more, to research more. One of the latest requirement was to AJAXify a form. To do AJAX-ification was always a troublesome for me.

To replace a div by another on submitting a form always used to top the list of requirements. So I've choose to share how to use a handy command provided by ajax to replace a particular div by another.

We recently moved our Drupal code to a newly created 'public_html' folder for some reasons and set up the website. But then, our website was showing a 500 Internal Server Error.

We were on a venture to convert all our Drupal 7 themes to their responsive versions and we got stuck in between. The issue was with the main menu that it was not displaying sub links. We have gone through the code carefully and we found that only the top level menu items are being set to the main menu variable. To render all menu items from main menu, we should have defined it in theme's template.php file.

You might have seen how to set up http request in core PHP. In this article I'm introducing a Drupal function called 'drupal_http_request' which handles our http request.

l() function is a beautiful thing available in Drupal. It is a simple and secure way to create an HTML anchor tag. Usually we think of l() function to format an internal anchor tag which supports things like clean URLs. You can still create an external URL link with the l() function as an anchor tag.