1. What is a php developer?

Ans: PHP developer role is to  develop programs, web sites and applications using the dynamic scripting language of PHP. PHP development  is known for web development and business applications.Depending on job rolas, PHP developers may be known as software developers or web developers.

2. What is PHP?

Ans: PHP is a composition for hypertext preprocessors. It is  the most popular and developer-friendly open source server side scripting languages that can be used for dynamic web pages. Its full form is a personal home page, and the credit for its development goes to Rasmus Lerdorf.

3. Why should use PHP?

Ans: PHP is  used to do so many different things when it comes to the backend of the website, which is originally the server side.Php can be used to receive data  in the form of forms, send emails, create sessions, generate dynamic content, receive and send cookies, and work together with databases.

4. What are the Benefits of PHP?

Ans: PHP is Open source,Easy to learn, fast in performance then other scripting languages and also it is supported by a global community of developers , assistance related to php is not difficult to search.

5. What is the role of PHP Developer ?

Ans: PHP developers are generally seen working behind the scene, creating user interfaces. When it is used for databases, PHP works  with SQL. This scripting language is also very useful when it comes to website designs that are  basic in nature, like security acceptance.It is also quite great with displaying dynamic content like images and galleries.

6. What can be the salary of a PHP Developer in India ?

Ans: There are many factors that contribute to the salary as a PHP developer. Your qualification, skills, understanding of the technology and experience is  the biggest of those. Certifications provide you additional advantage. In a number it can be 348,000 per annum in India.

7. What are the Factors that are Affecting the Salary of PHP Developers?

Ans: Factors like Location,Experience,Employer and Skills can affect the salary of php developers . as it is high in metro cities and verys city by city.

8. What is the Salary of a PHP Developer in Delhi ?

Ans: PHP developers in New Delhi will earn something in the range of Rs. 353,000 per annum, which is very close to the national average salary of php developers.

9. What is the Salary of a PHP Developer in Mumbai ? 

Ans: PHP developers in Mumbai can earn something in the range of Rs. 370,000 per annum. It can vary as per experience .

10. What is the Salary of a PHP Developer in Bangalore?

Ans: PHP developers in Bangalore can earn something in the range of Rs. 350,000 per annum. It is lower as compared to Mumbai, Pune and delhi.

11. What is the Salary of Entry Level, Middle Level and Experienced PHP Developer Salary?

Ans: The average salary of entry-level PHP developers in India is Rs. 172,000 per annum. The average salary of a mid-level PHP developer is Rs. 264,000 per year. Candidates with 5 to 9 year experience in php will get Rs. 546,000 per year and candidates with experience of 10 to 19 will get Rs.850,000.

12. What are the Salaries of PHP Developers in US and UK?

Ans: In the US the salary of a PHP developer is $87,750 and in the UK it is £38,409.

13. What Skills does a PHP Developer must Know?

Ans: In addition to soft skills such as effective communication, strong problem-solving capabilities and the ability to think extraordinarily, there are a number of hard skills needed also. Individuals should have a deep working knowledge of PHP and know MySQL, JQuery and Ajax. 

They must  have a strong understanding of MVC Framework Architecture, APIs and Unix/Linux, PHPUnit, a unit testing framework and CakePHP, an open-source web framework. Those who are full-stack developers should also know HTML, JavaScript and CSS.

14. What is the difference between the include() and require() functions in php?

Ans: Both functions include()and require() add file, include a specific file but on require the process exits with a fatal error if the file can’t be included, while the include statement may still pass and jump to the next step in the execution.this is the basic difference.

15.why select PHP as career?

Ans: PHP is platform independent (Windows, Linux, Unix, etc.). PHP is compatible in mostly all servers used today (Apache, IIS, etc.). PHP is FREE to download from the official PHP website PHP is easy to learn and execute efficiently on the server side.

16.what are the major Differences  between php 3 and php 4?

Ans:

1. Extended API module.

2. Native HTTP session support.

3. More powerful configuration system.

4. Generalized build process under Unix.

5. Reference counting.

6. Output buffering support.

17.What are the major types of error and how are they different?

Ans:

1. Notices – Simple error, non-critical errors that are occurred during the script execution. for example a Notice would be accessing an undefined variable.
2. Warnings – warning is more important than errors, however the scripts continue the execution. for example include() a file that does not exist.
3. Fatal – Fatal type of error causes a termination of the script execution if it occurs. For example, a Fatal error would be accessing a property of a non-existent object or require() a non-existent file.

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