PHP · Question Set

Advanced PHP & Performance – PHP interview questions

Advanced PHP & Performance interview questions for placements and exams.

Subject: PHPDifficulty: Mixed15 questions in this set

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PHP

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Mixed

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PHP – Advanced PHP & Performance questions (15)

Go through each question and its explanation. Use this set as a focused practice pack for PHP.

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1. What is the purpose of OPCache in PHP?

Difficulty: MediumType: MCQTopic: PHP Performance

OPCache improves performance by storing precompiled PHP bytecode in memory, reducing the need for PHP to parse and compile scripts on every request.

2. What does PHP’s garbage collector do?

Difficulty: MediumType: MCQTopic: PHP Performance

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Advanced PHP & Performance – PHP interview questions

Set overview

PHP – Advanced PHP & Performance questions (15)

1. What is the purpose of OPCache in PHP?

2. What does PHP’s garbage collector do?

Continue your preparation

3. Explain strategies to reduce PHP script memory usage.

4. What is the purpose of namespaces in PHP?

5. Which PHP feature automatically loads classes when they are needed?

6. What is Composer in PHP?

7. Which PHP directive sets the maximum memory a script can use?

8. What is output buffering used for in PHP?

9. Which of the following tools can be used for PHP performance profiling?

10. Explain the different types of caching available in PHP.

11. Why are namespaces important in large PHP applications?

12. What is lazy loading in PHP and why is it beneficial?

13. List some best practices for improving PHP performance.

14. Why is the error suppression operator (@) discouraged in production code?

15. How can sessions be optimized for large-scale PHP applications?

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Advanced PHP & Performance – PHP interview questions

Set overview

1. What is the purpose of OPCache in PHP?

2. What does PHP’s garbage collector do?

Continue your preparation

3. Explain strategies to reduce PHP script memory usage.

4. What is the purpose of namespaces in PHP?

5. Which PHP feature automatically loads classes when they are needed?

6. What is Composer in PHP?

7. Which PHP directive sets the maximum memory a script can use?

8. What is output buffering used for in PHP?

9. Which of the following tools can be used for PHP performance profiling?

10. Explain the different types of caching available in PHP.

11. Why are namespaces important in large PHP applications?

12. What is lazy loading in PHP and why is it beneficial?

13. List some best practices for improving PHP performance.

14. Why is the error suppression operator (@) discouraged in production code?

15. How can sessions be optimized for large-scale PHP applications?

More sets in PHP

Explore related subjects

Master Interviews
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