If you've ever added custom code to WordPress, you know the functions.php problem. One typo and your site goes white screen. One theme update and your changes disappear. That's why the Post Snippets vs Code Snippets plugin debate exists.  Code...

You want a shortcode for a call-to-action button. You open a forum thread, copy the PHP, paste it into functions.php, and the page goes white. One missing semicolon did that. This is the normal way people write WordPress snippets, and...