PHP Developer

10+ PHP Developer Interview Questions and Answers for Freshers

Updated 15 Jul 2024
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Q1. Project task which is similar pattern to Oyo in php implementation?

Ans.

Implementing a hotel booking system like Oyo in PHP

  • Use PHP frameworks like Laravel or CodeIgniter for efficient development

  • Implement user authentication and authorization for secure access

  • Create a database schema to store hotel details, room availability, and bookings

  • Develop a user-friendly interface for searching and booking hotels

  • Incorporate payment gateway integration for online transactions

Q2. What is PHP? Difference between echo and print What is server side and client side

Ans.

PHP is a server-side scripting language used for web development. Echo and print are used to output data. Server-side handles requests.

  • PHP is a popular language for web development

  • Echo and print are used to output data to the browser

  • Server-side refers to the processing of requests on the server

  • Client-side refers to the processing of requests on the user's browser

Q3. Tel me about HTML and Tel me about basics in python

Ans.

HTML is a markup language used for creating web pages. Python is a high-level programming language known for its simplicity and readability.

  • HTML stands for HyperText Markup Language and is used to create the structure of web pages.

  • Python is a versatile programming language known for its clean syntax and ease of use.

  • HTML uses tags to define elements on a web page, such as headings, paragraphs, and images.

  • Python is often used for web development, data analysis, artificial intel...read more

Q4. Difference between javascript and jquery Query for CRUD operations what is require() and include()

Ans.

JS vs jQuery, CRUD query, require() vs include()

  • JavaScript is a programming language while jQuery is a library built on top of it

  • CRUD operations can be performed using AJAX in both JS and jQuery

  • require() is used in Node.js to import modules while include() is used in PHP

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Q5. How to fetch data from database how to insert data into database

Ans.

To fetch data from database, use SELECT statement. To insert data into database, use INSERT statement.

  • Use SELECT statement with appropriate conditions to fetch data from database

  • Use INSERT statement with appropriate values to insert data into database

  • Make sure to sanitize user inputs to prevent SQL injection attacks

Q6. difference between primary key and secondary key?

Ans.

Primary key uniquely identifies a record while secondary key is used for data retrieval and sorting.

  • Primary key is a unique identifier for a record in a table.

  • Secondary key is used for data retrieval and sorting.

  • A table can have only one primary key but multiple secondary keys.

  • Primary key cannot have null values while secondary key can have null values.

  • Primary key is automatically indexed while secondary key needs to be indexed manually.

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Q7. What are PHP arrays, datatypes?

Ans.

PHP arrays are variables that store multiple values in a single variable. PHP has several datatypes including strings, integers, and booleans.

  • Arrays can be indexed numerically or associatively

  • Datatypes include strings, integers, floats, booleans, and null

  • Arrays can hold values of different datatypes

  • Arrays can be multidimensional

  • Example: $fruits = array('apple', 'banana', 'orange');

  • Example: $person = array('name' => 'John', 'age' => 30, 'isMale' => true);

Q8. How to make a route in Laravel

Ans.

Routes in Laravel are defined in the routes/web.php file using the Route facade.

  • Routes are defined using the Route facade in the routes/web.php file

  • Routes can be defined using various HTTP verbs like get, post, put, delete, etc.

  • Routes can have parameters and optional parameters

  • Routes can be grouped using the Route::group() method

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Q9. Does have broadband?

Ans.

This question is not relevant to the PHP Developer position.

  • This question is not related to the job requirements.

  • It is not necessary for a PHP Developer to have broadband.

  • The question may be irrelevant and should be clarified.

Q10. Laravel features and functionality

Ans.

Laravel is a popular PHP framework known for its elegant syntax and powerful features.

  • Laravel provides a robust authentication system out of the box

  • Eloquent ORM simplifies database interactions with an easy-to-use syntax

  • Blade templating engine allows for efficient and reusable view components

Q11. what is primary key?

Ans.

Primary key is a unique identifier for each record in a database table.

  • Primary key ensures data integrity and helps in faster data retrieval.

  • It cannot have null values and must be unique for each record.

  • Examples of primary keys are social security numbers, email addresses, etc.

Q12. What is Laravel?

Ans.

Laravel is a popular PHP framework known for its elegant syntax and powerful features.

  • Laravel provides a robust set of tools and libraries for building web applications.

  • It follows the MVC (Model-View-Controller) architectural pattern.

  • Laravel includes features like routing, authentication, caching, and more out of the box.

  • It has a vibrant community and extensive documentation for easy learning and support.

  • Examples: Laravel's Eloquent ORM for database management, Blade templati...read more

Q13. Explain projects title

Ans.

The project title is 'Online Shopping Cart'

  • The project is about developing an e-commerce website with a shopping cart functionality

  • Users can browse products, add them to the cart, and proceed to checkout

  • The project may involve implementing features like user authentication, product search, and payment integration

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