Newrise Technosys PHP Wordpress Developer Interview Questions, Process, and Tips

Plugins development in WordPress involves creating custom functions and hooks to extend the functionality of the platform.

• Identify the need for a plugin

• Create a new folder in the 'wp-content/plugins' directory

• Create a PHP file with a unique name and add plugin header information

• Define plugin functions and hooks

• Test and debug the plugin

• Submit the plugin to the WordPress plugin repository

Hooks are functions that allow developers to modify the behavior of WordPress without modifying the core files.

• Hooks are divided into two types: actions and filters.

• Actions are triggered at specific points in the execution of WordPress, while filters allow developers to modify data before it is displayed.

• Hooks are added using the add_action() and add_filter() functions.

• Hooks can be removed using the remove_action() and...read more

WordPress has various tables to store different types of data.

• wp_users - stores user information

• wp_posts - stores all posts, pages, and custom post types

• wp_comments - stores all comments

• wp_terms - stores all taxonomy terms

• wp_options - stores all site options

• wp_postmeta - stores all post meta data

• wp_usermeta - stores all user meta data

Form data in PHP can be submitted using the POST or GET method.

• Use the $_POST or $_GET superglobal variable to retrieve form data

• Specify the method attribute in the form tag as either POST or GET

• Use the submit button to trigger the form submission

PHP supports various datatypes including string, integer, float, boolean, array, object, and null.

• String: a sequence of characters

• Integer: a whole number

• Float: a number with a decimal point

• Boolean: true or false

• Array: a collection of values

• Object: an instance of a class

• Null: a variable with no value

SQL query for inserting data into database.

• Use INSERT INTO statement followed by table name and column names.

• Values to be inserted should be enclosed in parentheses.

• Use single quotes for string values.

• Example: INSERT INTO users (name, age) VALUES ('John', 25);

CSS selectors are used to target HTML elements and apply styles to them.

• Type selectors target elements based on their tag name (e.g. h1, p, div)

• Class selectors target elements with a specific class attribute (e.g. .my-class)

• ID selectors target elements with a specific ID attribute (e.g. #my-id)

• Attribute selectors target elements with a specific attribute value (e.g. [href='https://www.example.com'])

• Pseudo-class selecto...read more

Flexbox is a CSS layout module that allows for flexible and responsive web design.

• Flexbox is short for 'Flexible Box Layout'.

• It allows for easy alignment and distribution of elements within a container.

• Flexbox uses a set of properties to define the layout, such as 'display: flex', 'flex-direction', 'justify-content', and 'align-items'.

• It is commonly used for creating responsive navigation menus, grids, and card layouts...read more