Installing/Configuring
PHP Manual

Installation

The source code of this extension, and binaries for Windows are hosted by » github,

Fetching the source code and building the extension: 

git clone https://github.com/krakjoe/wkhtmltox
cd wkhtmltox
phpize
./configure --with-wkhtmltox=/path/to/wkhtmltox/installation
make
sudo make install

Fetching updates and rebuilding the extension: 

cd wkhtmltox
phpize --clean
git pull origin master
phpize
./configure --with-wkhtmltox=/path/to/wkhtmltox/installation
make
sudo make install