What does the WordPress “_e()” function do?

Question

I have these all over my theme, and when if I delete them, there nothing happens to the theme. What does it do? Should I leave them in or are they unnecessary? I want to opt

Answer 1

These are for WordPress localization.

Here is their documentation: http://codex.wordpress.org/Function_Reference/_e

Also a few links on localization in general on WordPress to put the _e's in context:

• http://make.wordpress.org/docs/plugin-developer-handbook/plugin-components/internationalization/
• http://codex.wordpress.org/I18n_for_WordPress_Developers