WordPress Interview Questions and Answers

A template tag <template> is a container that is used to store the hidden HTML syntax from the users while loading a page. You use it in JavaScript.

The extension of any parent theme present in WordPress is defined as a child theme. Any update to undo the changes in the child theme, if we make changes to the parent theme. While developers work on a child theme, the customizations and changes will be preserved on an update.

There will be two possible reasons:

First, you are not logged in to your wp-admin and see the sidebar without widgets. Second, you must have made some tweaks to your theme and that's why it's not showing up properly. The solution will be to deactivate and reactivate the theme and roll back to previous changes.

If the problem persists you need to reach out to the WP developer.

To enable debug mode in WordPress, developers have to edit the wp-config.php file and change the WP_DEBUG constant value to true condition.

This hacking situation is common nowadays. The more your website grows, the more chance it will have to be hacked. On starting a new website you need to know one sure thing which is, how to create a backup of your data and WordPress core files. Without this knowledge you can get rid of the hackers but with the cost of your data which is a nightmare for every admin. So always have a backup of your website's core files and the data. Now if you have that, the rest of the tasks are easy.

• Change the password immediately.
• Remove all the suspicious users and change all of their permissions to view content only. Talk to them and Change their passwords also.
• Run a good antivirus plugin and eliminate all the malicious and infected content.
• Update all your plugins, themes, or even WordPress.
• Clean your sitemaps.
• Reinstall your plugins, themes, and WordPress core.
• Remove the files which your antivirus can't remove and restore them with your backup file.
• Activate your firewall and antivirus for future attacks.
• Ask for third-party antivirus agencies if the damage is huge and you are unable to solve it on your own.

The template tags are basically PHP functions used to display dynamic information or customized blog template. Here is a list of some of the generally used template tags in WordPress.

Different template tags in WordPress

• wp_register()
• get_header()
• wp_title()
• get_sidebar()
• get_the_author()
• wp_enqueue_script()
• category_description()
• wp_list_authors()
• get_bookmarks()

There are three ways to back up a WordPress website thoroughly.

1. Backup Through Hosting

Hosting providers offer service that completes daily, complete backups to your WordPress website.

2. Backup Files Manually

We have to download the entire WordPress directory via cPanel or SFTP program. We can also use WordPress database to backup website data manually.

3. Automated Backup with Plugins

There are many secure and easy to use WordPress backup plugins available for your use. Just install, configure few settings and you are ready to go. Few of them are: BackupBuddy Premium, BackWPup Free WordPress Plugin, Duplicator Free WordPress Plugin, UpdraftPlus Backup and Restoration Free WordPress Plugin, WordPress Backup to Dropbox Free WordPress Plugin, etc.

WordPress plugins are a type of apps that allows you to add more functionality and features to your WordPress website just like the same way as apps do for your smartphone. Plugins allow you to create any type of the site with WordPress, not just blogs. Nowadays plugins are very popular.

There are lots of plugins are available that listed below:-

• Yoast SEO Plugin (This plugins are used for SEO purpose.)
• Contact Form 7 (This plugins is used to make web forms with any code)
• Sitemap & URLs Plugins
• All In One WP Security & Firewall etc

Advantages of WordPress Plugins

• Helps in SEO
• Ease Of Use and Quick Installation Process
• It helps in to Keep Secure
• Strong Community Support
• Helps to use advanced features of WordPress

There are altogether 12 tables by default in WordPress.

• wp_options
• wp_users
• wp_links
• wp_commentmeta
• wp_term_relationships
• wp_postmeta
• wp_posts
• wp_termmeta
• wp_term_taxonomy
• wp_usermeta
• wp_terms
• wp_comments

Permalinks are the permanent Full URLs to your website blog posts and pages, as well as your tag archives and category. It is the web address used to link to your content. WordPress allows us to create a custom URL structure for your permalinks and archives. It can improve the usability and forward-compatibility of your website's links.

This section can be located in

Settings → Permalinks