If you’re a PHP prorammer and using Chrome as your web browser, I found a useful plugin that will help you work more efficiency.
PHP Ninja Manual is a plugin for Google Chrome that will add a little PHP icon in Chrome toolbar for easy access to PHP manual. With PHP Ninja Manual you can search in latest PHP documentation in 8 languages.
PHP Ninja Manual is available for free download, hit the link below for more info and download.
Link: PHP Ninja Manual