On Ubuntu, I have install netbeans but it does not have any option to start a php project. I\'ve looked at the plugin list and php is not in the list, neither is it in the
Go to Tools->Plugins.
In the Settings tab ensure that the update center Netbeans Distribution is active.
Then in the Available Plugins tab click on Reload Catalog and you should see PHP.
Also you have to make your LAMP config, this link can help you.
If you have already download the full bundle go in Installed tab and activate PHP.