PHP · Question Set

Arrays & Strings – PHP interview questions

Arrays & Strings interview questions for placements and exams.

Subject: PHPDifficulty: Mixed14 questions in this set

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PHP

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PHP – Arrays & Strings questions (14)

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1. Which function returns the number of elements in an array?

Difficulty: EasyType: MCQTopic: Array Ops

The count() function returns the number of elements in an array or object implementing Countable.

Example code

count($arr);

2. Which two functions convert between arrays and strings?

Difficulty: Medium

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Arrays & Strings – PHP interview questions

Set overview

PHP – Arrays & Strings questions (14)

1. Which function returns the number of elements in an array?

2. Which two functions convert between arrays and strings?

Continue your preparation

3. Explain string interpolation in PHP with examples.

4. Which of the following are types of arrays in PHP?

5. What does the function in_array() do?

6. Which function checks if a key exists in an associative array?

7. Which function returns the length of a string in PHP?

8. Which function extracts part of a string?

9. What is an associative array in PHP? Give an example.

10. Explain multidimensional arrays in PHP.

11. List some commonly used string functions in PHP and their uses.

12. How do you traverse an array in PHP?

13. Which of the following can be used to create an array in PHP?

14. Which function merges two or more arrays into one?

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Arrays & Strings – PHP interview questions

Set overview

1. Which function returns the number of elements in an array?

2. Which two functions convert between arrays and strings?

Continue your preparation

3. Explain string interpolation in PHP with examples.

4. Which of the following are types of arrays in PHP?

5. What does the function in_array() do?

6. Which function checks if a key exists in an associative array?

7. Which function returns the length of a string in PHP?

8. Which function extracts part of a string?

9. What is an associative array in PHP? Give an example.

10. Explain multidimensional arrays in PHP.

11. List some commonly used string functions in PHP and their uses.

12. How do you traverse an array in PHP?

13. Which of the following can be used to create an array in PHP?

14. Which function merges two or more arrays into one?

More sets in PHP

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