How To

Creating an order invoice detail as pdf can be a most frequent requirement when dealing with web applications. In this article I like to explain how to create a more advanced pdf document in Drupal. We will be creating a order detail report using tcpdf. TCPDF in based on FPDF which contains more advanced features compared to FPDF.

The createItem() method lets you add data to the queue and the numberOfItems() method lets you see how many items are present in the queue. We use the claimItem() method of the queue object to get an item from the queue. claimItem() returns the data property, which contains whatever we put into the queue. If there is no item in the queue then claimItem() will return FALSE. Steps for creating queue.

The Queue API in Drupal is designed to manage tasks.The queue system allows placing items in a queue and processing them later.The Queue API is a simple,reliable way to keep track huge lists of tasks without requiring you to know anything about the whole group.Prepare your data, put it in one item at a time, and take back one item at a time to process. When you are done with a single item, just report back that you have finished and the item is removed from the queue.

Many a times while developing sites we would need to post data to an external server, for example if you have an ecommerce site and wants to manage CRM in a different server at such time you would need to pass the order details to different server. We can POST the data using CURL or drupal_http_request().

In Drupal 8, .info file is converted to .info.yml file. It is a symphony component. The .info.yml file contains the metadata about your theme, such as theme name, description, version of the Drupal it supports, and type. Type is new metadata type indicate type of the extension such as module, theme etc.

This tutorial shows you how to insert a form into a modal so it pops up on your site after a user clicks a link, without having to write any JavaScript at all. The functionality that supplies this is the CTools module and core ajax functionality in Drupal 7.

If you have a multi-site installation that has multiple settings.php files, say '/sitename1.com/settings.php' and '/sitename2.com/settings.php' and so on. Trying to run Drush commands to clear cache from different directories and changing directories all the time is going to be a mess.

The feedAPI module is a famous one for processing custom feeds in different formats like rss/Atom, csv, iCal etc. Now the feedAPI has been upgraded to the "feeds",which have more features and easy to use and customize. However still a lot of Drupal 6 sites uses the feedAPI module for handling external feeds. Let us see how a new parser can be created in feed API module.

I had a requirement to use my current view repeatedly on other pages with minute configuration changes. The current view configuration should be available on the other views and no changes should affect the view page which is active. The best way to get through the scenario is by the cloning the copy of the existing view and configure the clone as per the requirement.

Drupal gives ability to access callback. The access callback is executed before the call 'page callback'. Here create custom permission using access callback. The access callback helpfull for specific permissions to users or roles.

For a Drupal site I had a requirement to create a Rule using the rules modules. It seemed to be working fine. Then I needed to convert the rule to a programmatic rule that I can include inside my custom module.

My Live Chat provides a Drupal Plugin for collaborating with the Drupal website visitors. My Live Chat Drupal Plugin is fully customizable. It is pretty light-weight and easy to install. This requires only a free account at Mylivechat to integrate with Drupal websites. Also it is a free. It offers fast and high performance live chat solution with the most user-friendly application. It allows to live chat with visitors, monitor traffic, and analyze their activities including their search engine and keyword usage.

Needing a Ubercart module that will calculate the shipping price for various regions depending upon the total weight of the products ordered. Ubercart shipping module is an interface to add different shipping providers. It's worth mentioning what we're trying to achieve here. Cotswold Seeds wanted to provide a single shipping cost for every order, as depending on shipping address, the order value and weight, they have the responsibility of selecting the shipping carrier.Only a single shipping quote is ever going to be provided for each order, because The user would not be given a choice here.

After smartphones born, people don't just use desktop computer or laptop anymore to visit the websites. They will go for smartphones, tablets, palmtops and so on. How can we keep design to all these different devices? There is a way, that`s responsive webdesign.As the name tells, its a matter of responding to the site user's device specifics.