NADA 5.0.2
NADA 5.0 was released on 11 January 2019.
This is a substantial upgrade to NADA which brings a host of new features as well as upgrades which address compatibility issues with recent updates to PHP.
Why upgrade?
• Previous versions of NADA were built to be compatible with the latest versions of PHP available at the time. These were PHP 5.3 up to 5.6.
• Support for PHP 5 was discontinued in December 2018.
• The maintainers of PHP encourage all users of PHP to upgrade to PHP 7.1 +
• NADA 5.0 has been rewritten to run on PHP 7.1 +
It is strongly recommended that all users of NADA upgrade to the latest version of PHP. Upgrading PHP to version 7.1 + will necessitate that you also upgrade your NADA to 5.0.
What is new in NADA 5.0?
• Adobe Flash uploads are now replace with HTML 5 uploads. This fixes changes made in most modern browsers which remove default support for Flash.
• PHP no longer supports MySQL drivers. Support for MySQL has been replaced with the MySQLi and MySQL PDO drivers. NADA 5 supports these new drivers.
• NADA now uses Bootstrap 4. This means that NADA uses a responsive design that works well on all devices, including mobile devices.
• The framework underlying NADA now runs on the latest version of CodeIgnitor.
Exciting new functionality in NADA 5.0
• Search has been updated to allow indexing of all the metadata fields.
• The templating system has been update to accommodate all DDI.2.5 fields. The previous version of NADA only supported a subset of the DDI Codebook.
• A more powerful API is available which allows searching, browsing and managing the catalog via API.
NADA 5.0 lays the ground work for a number of new features which will be released in upcomming versions of NADA. Some of these are:
• Support for data types and metadata standards other than survey data (microdata). Such as Geospatial and Time Series data.
• A data API
• More advanced Semantic search
The latest release of NADA can be obtained from the IHSN Github repository located here:
Most users will want to download zipped versions of the release located here:
For instructions on how to of upgrade to NADA 5.0 see the documentation provided here: https://nada.readthedocs.io/en/v5.0/installation-guide.html
To contact us for questions about upgrading or to provide feedback contact our helpdesk at the IHSN: tickets@ihsn.uservoice.com