10+ Junior PHP Developer Interview Questions and Answers

PEAR is a framework and distribution system for reusable PHP components.

• PEAR stands for PHP Extension and Application Repository.

• It provides a structured library of code for PHP developers.

• PEAR packages can be easily installed and managed using the PEAR command-line tool.

• Some popular PEAR packages include PHPUnit, HTML_QuickForm, and Mail.

• Dynamic websites generate content on the fly, while static websites display the same content to all users.

• PHP scripts can be executed in th...read more

array_merge merges two or more arrays into one, while array_combine creates an array by using one array for keys and another for its values.

• array_merge combines the values of two or more arrays into a single array

• array_combine creates an array using one array for keys and another for its values

• array_merge preserves numeric keys, while array_combine uses the first array as keys and the second as values

• array_merge can merge any number of arrays, while array_combine requires two...read more

CRUD operations in Codeigniter, Core PHP, and Laravel

• Codeigniter: Use the built-in functions like insert(), get(), update(), and delete() to perform CRUD operations.

• Core PHP: Write custom functions to handle database operations using SQL queries.

• Laravel: Utilize the Eloquent ORM to easily perform CRUD operations using models and database migrations.

Use PHP filters to validate form data and store in database.

• Use filter_input() function to validate input data.

• Sanitize data using filter_var() function.

• Connect to database and insert data using prepared statements.

• Handle errors and exceptions appropriately.

let, const and var are used to declare variables in JavaScript with different scoping rules.

• var has function scope and can be redeclared and reassigned

• let and const have block scope and cannot be redeclared

• const cannot be reassigned after declaration

• let can be reassigned after declaration

• Use const for values that won't change, let for values that will change

• Example: var x = 10; let y = 20; const z = 30;

• Example: function example() { var x = 10; let y = 20; const z = 30; }

• Examp...read more

OOPs concepts in PHP include inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Encapsulation is the practice of keeping properties and methods private to a class.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• Abstraction is the process of hiding implementation details while showing only the necessary information.

• Examples of OOPs concepts in...read more

The latest version of Laravel is 8.0.

• Laravel 8.0 was released on September 8, 2020.

• It includes new features like Laravel Jetstream, model factory classes, and dynamic blade components.

• It requires PHP 7.3+ and has support for PHP 8.0.

• Laravel follows semantic versioning, so major releases may include breaking changes.

The latest stable version of PHP is 8.0.11.

• PHP 8.0 was released on November 26, 2020.

• It introduced several new features and improvements such as JIT compiler, union types, named arguments, and more.

• The latest stable version as of October 2021 is 8.0.11.

To create a simple form using CSS or Bootstrap, follow these pointers:

• Start with a basic HTML form structure

• Add CSS or Bootstrap classes to style the form elements

• Use form validation to ensure data is entered correctly

• Consider accessibility and usability when designing the form

Joins in SQL are used to combine data from two or more tables based on a related column.

• Joins are used to retrieve data from multiple tables in a single query

• There are different types of joins such as inner join, left join, right join, and full outer join

• Inner join returns only the matching rows from both tables

• Left join returns all the rows from the left table and matching rows from the right table

• Right join returns all the rows from the right table and matching rows from th...read more

Yes, I have worked on JavaScript.

• I have experience in using JavaScript for front-end development.

• I have worked with jQuery library for DOM manipulation and AJAX requests.

• I have also used JavaScript for form validation and creating interactive UI elements.

• I am familiar with ES6 features like arrow functions, template literals, and let/const declarations.

Common features of PHP include dynamic typing, easy integration with HTML, and extensive library support.

• Dynamic typing allows for flexibility in variable types

• Easy integration with HTML allows for server-side scripting

• Extensive library support allows for efficient development

• Other common features include object-oriented programming and database integration

PHP is a server-side scripting language used for web development.

• PHP stands for Hypertext Preprocessor.

• It is widely used for creating dynamic web pages and web applications.

• PHP code is embedded within HTML code.

• PHP can interact with databases like MySQL to create dynamic content.

• Popular content management systems like WordPress and Drupal are built using PHP.

JavaScript can be inserted in PHP using

Yes, I am okay with Shahibaug location.

• I am comfortable with the location.

• I have no issues with commuting to Shahibaug.

• I have worked in similar locations before.