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Programming Languages Questions

Download PDF (5 Sample Questions)
Analyze this PHP code and explain the memory implications. What are the potential issues and how would you optimize it?
Programming Languages PHP Subjective
Posted: Sep 23, 2025 View Details
Explain PHP 8+ Attributes with a practical example. How do they differ from annotations and what are their performance implications?
Programming Languages PHP Subjective
Posted: Sep 23, 2025 View Details
What is the output of this PHP code? Explain reference behavior and memory management.
Programming Languages PHP Subjective
Posted: Sep 23, 2025 View Details
Implement a thread-safe singleton pattern in PHP using modern techniques. Discuss the challenges and alternatives.
Programming Languages PHP Subjective
Posted: Sep 23, 2025 View Details
Explain PHP's garbage collection mechanism. How does it handle circular references and what are the performance implications?
Programming Languages PHP Subjective
Posted: Sep 23, 2025 View Details
What is the output of this PHP 8+ code involving anonymous classes and closures? Explain the scope and binding behavior.
Programming Languages PHP Subjective
Posted: Sep 23, 2025 View Details
Which PHP 8.2 feature allows you to mark class properties as readonly in the constructor?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
What is the output of: echo (new DateTime("2025-01-01"))->format("W");
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
Which method is used to implement custom serialization in PHP objects?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
What does the spaceship operator () return when comparing equal values?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
Which PHP function is used to prevent XSS attacks when outputting user data?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
What is the correct way to declare a PHP 8+ intersection type?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
Which PHP function returns the current memory usage in bytes?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
What is the purpose of the #[Override] attribute in PHP 8.3?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
Which PHP feature allows you to unpack arrays in function calls?
Programming Languages PHP Objective
Posted: Sep 23, 2025 View Details
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