An extension for TAO to create test booklets (publishable in MS-Word and PDF along with Answer Sheets)

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v4.0.1 2021-04-08 15:06 UTC


An extension for TAO to create test booklets (publishable in MS-Word and PDF along with Answer Sheets)


Due to the move to ES2015, some code might not work on legacy browsers. Especially for code that use to rely on polyfills, like for the Promise. The polyfills are now linked only when the code is bundled, and are not reachable anymore in development mode. For that reason, and because wkhtmltopdf is not supporting ES2015 and requires polyfills, the generation of PDF only works with bundled version (aka production mode).

As a reminder, to activate the production mode, open the config file config/generis.conf.php, line 50, and set the constant DEBUG_MODE to false:

define('DEBUG_MODE', false);


This extension needs a third-party tool to generate the PDF files. So to be able to generate the booklet, you should install wkhtmltopdf on your server.

If you are using Ubuntu you can use these commands:

sudo apt-get update
sudo apt-get install wkhtmltopdf

However, depending of the version of your system, the installed version of wkhtmltopdf may not fully comply with the requirements, as there is some issues with QT when trying to render header and footers. If you encounter errors when generating the document, you should install the tool using these commands:

wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12.5-1.jessie_amd64.deb
sudo dpkg -i wkhtmltox_0.12.5-1.jessie_amd64.deb

after that you can use /usr/local/bin/wkhtmltopdf in your configuration

Deprecated: Please note that the version 0.12.4 has a bug which was fixed in the version 0.12.5: sometimes footers and headers not provided in the pdf

sudo apt-get update
sudo apt-get install libxrender1 fontconfig xvfb
wget https://downloads.wkhtmltopdf.org/0.12/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz -P /tmp/
cd /usr/share/
sudo tar xf /tmp/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
sudo rm /usr/bin/wkhtmltopdf
sudo ln -s /usr/share/wkhtmltox/bin/wkhtmltopdf /usr/bin/wkhtmltopdf