The function of WordPress can be searched from WordPress Codex. It can refer to a selection character string from a context menu.
It is an extension which can search the function of WordPress with WordPress Codex.
Usage is easy.
1. A push on the icon added to the upper right will display the area which inputs a function.
Please input a function name to investigate.
And a push on the Search button will display the page of WordPress Codex with a new tab.
2. If you would like to come to investigate while seeing the sample code, please choose the target tag and choose Search WordPress Codex from a context menu.