How to auto-complete PHP code in Vim
Vim is able to auto-complete syntax for some of the most popular programming languages, but it’s not enabled by default.
While in command mode, enter the following
:set omnifunc=phpcomplete#CompletePHP
To start using PHP auto completion, press the Ctrl + x
followed by Ctrl + o
keys while writing some PHP functions.
Below is an example screenshot when pressing Ctrl + x
followed by Ctrl + o
after typing dat
Do note the function description provided at the top of the screen.