Q. What are the types of hooks in WordPress
a. There are two types of hooks 1) Action hooks 2) Filter hooks
Q. What is custom field in wordpress?
a. Custom field is a meta-data that allows you to store arbitrary information to the wordpress post.
Q. What is the prefix of wordpress tables by default ?
a. By default, wp_ is the prefix for wordpress.
Q. What is WordPress Loop
a. To display post WordPress use PHP code, this code is known as loop.
Q. Why widget does not show up in the sidebar?
a. While using widget you have to ensure whether your theme supports the widget and if it does then it must show the sidebar. If in any case if it happens that you don’t see the sidebar then it might be missing the “function.php” file or file similar to that. This can also happen if you have forgot to save the changes in the widget or refreshing the older display of the page.
Q. What are meta-tags?
a. Meta-tags are keywords and description used to display website or page information.
Q. What are the reasons why one should not hack WordPress core file?
a. The best reason not to hack the core files is that whatever you might be doing has to be reworked as a patch.
Q. How to hide the top admin bar at the frontend in WordPress?
a. Add below line in function.php
Q. How to hide Directory Browsing in WordPress from server?
a. Add following code in htaccess file
Q. How to display custom field in wordpress?
echo get_post_meta($post->ID, 'keyName', true);