First, You must to download snippets, run the fowlloing command as:
git clone https://github.com/james2doyle/phalconphp-completions.git
Then you move it to folder in your Sublime Text packages directory. Once you are done you can use the Ctrl + Shift + P shortcut in Sublime, type in install and press enter, then search for "Node Completions"
In orther to using it you can refer to here