What is Wordpress?
Wordpress is free open-source content management system written in PHP. Below we have provided the best WordPress Interview Questions that are specially designed for WordPress developers having 2,3,4, 5 years of experience.
Wordpress is free open-source content management system written in PHP. Below we have provided the best WordPress Interview Questions that are specially designed for WordPress developers having 2,3,4, 5 years of experience.
WordPress is written In | PHP Programming Language |
WordPress is a | PHP based Open source Content Management System |
WordPress is developed By | Matt Mullenweg and Mike Little |
WordPress Supports | Unix-like, Windows, Linux operating Systems |
WordPress Dependencies | PHP 7 or above, HTTPS, Mysql or MariaDB, Nginx or Apache with mod_rewrite module |
WordPress Licence | GPLv2+ |
WordPress Current Stable release | 5.7.2 |
Below are the list of Best Wordpress Interview Questions and Answers
WordPress is a free open source content management system (CMS) written PHP language and licensed under GPL.
It allows users to create dynamic websites from personal blogs to e-commerce. Wordpress's current stable version is on OCT 2020 of WordPress is 5.5.3. You can download it free without any cost from https://wordpress.org/latest.zip.
First version of wordress is released in Year 2003
Here are some of the features of WordPress.
Posts are timed and listed in chronological order with the latest posts at the top. Posts are meant to be shared and commented on.
Pages are static are static content, so an about us, contact us page etc. They are permanent and timeless entries.
There are two types hooks are available in WordPress, action hooks and filter hooks
They allow the user to, with short snippets of code, modify areas in a theme or plugin without modifying the original file.
An Action hook in WordPress is a hook that is triggered at a specific time when WordPress is running and lets you take an action. This can include things like creating a widget when WordPress is initializing or sending a Tweet when someone publishes a post.
A Filter hook in WordPress allows you get and modify WordPress data before it is sent to the database or the browser. Some examples of filters would include customizing how excerpts are displayed or adding some custom code to the end of a blog post or headings.
In WordPress, a “taxonomy” is a grouping mechanism for some posts (or links or custom post types). There are four default taxonomies in WordPress they are
You are also free to create your custom taxonomies too.
Also, Read PHP Interview Questions
In WordPress, Importers are plugins that provide the functionality to import a bulk XML file with any number of records. It enables to import Posts, Page, Custom Posts and Users data in an XML file.
To disable comments in WordPress, Please follow below steps
WordPress’s query function allows you to execute any SQL query on the WordPress database. It is best used when there is a need for specific, custom, or otherwise complex SQL queries. For more basic queries, such as selecting information from a table, see the other wpdb functions above such as get_results, get_var, get_row or get_col.
Syntax
<?php $wpdb->query('query'); ?>
Read more from https://codex.wordpress.org/Class_Reference/wpdb#Running_General_Queries
Below are list of some Action hooks functions
Read More about WordPress template tags from https://codex.wordpress.org/Template_Tags
In WordPress, WP_DEBUG is a PHP constant (a permanent global variable) that can be used to trigger the “debug” mode throughout the website.
The custom field in WordPress is a meta-data that allows the user to store the arbitrary information in the WordPress post. Using the custom field, other extra details can be added to the WordPress post.
The following features of MySQL satisfy the use of MySQL in WordPress and make it easy for anyone to host their website.
Below are the basic steps that can be taken when your WordPress website is hacked
The user metafunction is used to retrieve the metadata of users. It can return a single value or an array of metadata.
Syntax is: get_user_meta( int $user_id, string $key = '', bool $single = false )
User id is the required user id parameter
Key is the optional parameter which is the meta key to retrieve. By default, it returns data for all key values.
Single is an optional parameter that tells whether the single value will return. By default, it is false.
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