Use the plugin WordPress Social Login: http://wordpress.org/extend/plugins/wordpress-social-login/ Does exactly what you want except the user doesn’t actually have to type in their username and password if they are already logged in to Google Apps – they just click the Google icon and it will log them in to WordPress using Google Apps. And yes, you … Read more
The nicename is (usually) just a sanitized version of the username. It’s suppose to be ‘nice’ in the sense that it is the ‘nicename’ that is used as a slug, for example: www.yoursite.com/author/my-nice-name/ will take you to the archive of the author with nicename ‘my-nice-name’. The documentation simply describes it as A string that contains … Read more
Absolutely YES, you can achieve this. Rule 1: WordPress requires a username. We must provide a username. Rule 2: Don’t edit WordPress core code. We can achieve this by hiding username field, get email and store it as username. Step-1: Remove Username textfield add_action(‘login_head’, function(){ ?> <style> #registerform > p:first-child{ display:none; } </style> <script type=”text/javascript” … Read more