Must Read 10 PHP Interview Questions and Answers For Beginners & Experienced [2024]
Updated on Nov 24, 2022 | 9 min read | 6.7k views
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Updated on Nov 24, 2022 | 9 min read | 6.7k views
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PHP is one of the top-most programming languages to learn
Are you planning to learn a programming language? Do you want to stay with the latest technology trends?
Do not wait, learn PHP, and excel with PHP interview questions and answers. It is the programming language that will increase your demand for a high paid job.
PHP is a scripting language. It is perfect for creating a dynamic website and Restful API for mobile. PHP at the first stand for “Personal Home Page.” The Danish-Canadian programmer started developing PHP in 1994. He uses it to maintain his homepage. PHP grew organically as a programming language by a group of developers. At present, PHP is a recursive acronym for PHP: Hypertext Preprocessor.
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PHP files have extension .php and it can contain text, HTML, CSS, JavaScript, and PHP code. When you execute PHP code on the server, it returns the result as plain HTML to the browser.
PHP is one of the best backend programming languages. It can give your career a great start as a backend developer. Beginners can learn PHP fast, which helps them become an indispensable part of a big company.
Developers use PHP to create web applications and sites.
However, its versatile nature makes it eligible for the latest technology trends, such as:
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PHP is easy to learn, powerful enough to create dynamic and interactive websites like “WordPress” and deep enough to be part of Facebook’s largest social network site.
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Check out: Javascript Interview Questions and Answers
Till now, we have understood what PHP is and how it is beneficial. Once you learn this dynamic and versatile programming language, you must be eager to know how to crack PHP interview questions.
Following are some of the most asked PHP Interview Questions
1. What is PEAR PHP?
One of the essential PHP interview questions PEAR, is acronyms for “PHP Extension and Application Repository.” PEAR is project control by the community of developers. It provides a structured library of code, promotes standard coding style, maintains a system of code distribution and package maintenance.
2. Is PHP a case sensitive language?
The user-defined functions are case-insensitive, but the variable name is case sensitive. So, you can say PHP is partially case sensitive. However, it is good practice to call functions as they are defined initially. The rest of the language is case sensitive.
3. Explain the differences between PHP constants and variables?
Constant | Variables |
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4. Define some constant in PHP?
5. Explain different types of PHP variables?
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6. What is the top 10 PHP framework?
The top 10 PHP framework are:
7. Explain the main difference between ASP.NET and PHP?
PHP | ASP.NET |
PHP is an open-source platform and runs on Linux servers. | ASP.NET is paid and designed for window machines. |
PHP is a combination of programming language and a web framework. | ASP.NET is an application framework. |
ASP.NET is compiled, and thus the website has shorter execution time. If it needs to change the site, it is complicated to re-compiled. | PHP is interpreted, and for the PHP website, it is simple to replace the code. |
8. What is a lambda function in PHP?
A lambda is an anonymous PHP function. It can be stored in a variable that is passed as an argument to other functions. The lambda function that is aware of its surrounding context is called closure.
9. How can you connect to a URL in PHP?
cURL is a library provided by PHP. This library is, by default, included in the installation of PHP. cURL stands for client URL and connects to the URL and retrieves information from the page such as HTML content of the page, the HTTP headers, and their associated data.
10. What is the session and cookies in PHP?
A session is a global variable that stores information to be used across multiple pages. A cookie identifies the user. It is a small file that the server inserted on the computer. A cookie is also sent, each time the same computer requests a page with a browser.
Also Read: Full Stack Developer Interview Questions
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We hope the above-mentioned PHP interview questions and answers are helpful to you.
PHP is a dynamic and versatile programming language. It is widely used to create a web application, mobile application, cloud computing, artificial intelligence, and machine learning. If you see the latest technology trend and PHP extensive usage, it will be a high demand skill in the coming years. This article will help with PHP interview questions and answers.
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