In-depth insights on content, code, and creativity
Whenever you edit content in the eZ Publish Administration Interface, eZ Publish stores a new version. eZ Publish has a built-in feature to limit the number of previous versions it stores. However, as of the time of this posting, the eZ Publish 5.x public API to create and update content does not respect the version history limit (which, by default, stores 10 previous versions). We've written a quick function that restores this feature.
Fetching content in eZ Publish 4 (the "legacy" stack) and eZ Publish 5 (the "new" stack) follow many of the same principles, which is not surprising since the data layer is the same for both versions. You typically have a parent node or location and a set of filters. User permissions -- especially bypassing those permissions -- is often a consideration. In this post we'll explore how to fetch content in the legacy and new stack (as of eZ Publish 5.2).
Using virtual machines when developing eZ Publish websites have been useful in 2 main ways (if not more): working in a different server environment than your current machine and standardizing the dev environment for a team of developers. At the moment, I have Ubuntu 13.10 installed as my main operating system, and from time to time I need to work with some older eZ Publish versions that require PHP versions older than Ubuntu 13.10's default; in fact, the oldest eZ Publish version that I can run out of the box on Ubuntu 13.10 is eZ Publish 4.7. I don't like the idea of installing another OS just to work with an older eZ Publish version; that requires creating another partition, configuring grub, and so on. Using virtual machines enables me to work within another OS inside my main OS. That way I can work on a standardized environment specific to each client, while continuing to use my favorite base OS and tools. In this tutorial, I will describe how to install and configure Oracle VirtualBox to create virtual machines that run eZ Publish.
Rackspace recently released their newest generation of cloud servers, called Performance Cloud Servers. Unlike previous new releases, they've made a compelling case to upgrade existing cloud servers, as the "Performance Cloud" servers are cheaper, more powerful, and they use SSD storage. We decided to run some performance tests on an existing eZ Publish site, and saw between a 10-100% performance increase under high loads.
Countless presentations are made daily about the ubiquity of smart phones and the new, groundbreaking uses of smart phone apps. However, in many cases, humble text message services can be more useful and efficient.
Disqus is one of the most popular third-party commenting tools that can be integrated onto your website. There are a few special considerations when implementing Disqus onto a website where an article might have multiple locations and/or the article's URL might change. In this post, we'll walk you through a basic but robust implementation within an eZ Publish site.
The eZ Publish events system, known otherwise as "ezpEvent" (the name of the PHP class), supports multiple extension points into the content management system and also enables you to define your own extension points. It was quietly introduced in eZ Publish 4.5.
Mugo planned and implemented an article archiving solution for The Christian Science Monitor, an award-winning news website. The site has a large amount of content: visitors have access to articles starting from 1980. In total, the site has almost 800,000 content objects and the current setup serves up to 48 million page views per month.
We were called to investigate a clustered eZ Publish 4.5 (with eZ DFS) site where most of the images were suddenly missing. As we discovered, due to an erroneous MySQL command, the "ezdfsfile" table had been truncated. It was near the end of the day, and there were no viable database backups since the previous night. We either had to somehow rebuild the "ezdfsfile" table or ask many editors across different departments to re-do all their work from that day. It was a rather panicked situation.
Electronic media company Rasmussen Reports is best known for their US elections polling, but they do public opinion polling on a wide variety of topics, releasing new poll results on its website daily. Their multi-tier paywall subscription system has successfully helped them generate website revenue at different levels of user engagement.
Retrieving content is one of the most common use cases when working with a content management system. eZ Publish provides a powerful way to retrieve content with its fetch functions. Although it provides a powerful framework for filtering and sorting the content based on a wide range of criteria, sometimes you need to extend the framework. Adding new filters to fetch functions is achieved by using extended attribute filters.