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What is the result of the expression
10 % 3in PHP?- A) 3
- B) 1
- C) 0
- D) 2
Answer: B) 1
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Which of the following is used to concatenate two strings in PHP?
- A) .
- B) +
- C) &
- D) ,
Answer: A) .
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What does the
strlen()function in PHP do?- A) Returns the number of elements in an array
- B) Returns the length of a string
- C) Returns the last element of an array
- D) Returns the position of a substring in a string
Answer: B) Returns the length of a string
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How do you include one PHP file within another PHP file?
- A) include "filename.php";
- B) require "filename.php";
- C) include_once "filename.php";
- D) All of the above
Answer: D) All of the above
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What is the output of the code below?
$x = 5; echo $x++; // Post-increment
- A) 5
- B) 6
- C) 4
- D) Error
Answer: A) 5
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Which of the following is used to create a constant in PHP?
- A) define()
- B) const()
- C) constant()
- D) var()
Answer: A) define()
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What does the
array_push()function do in PHP?- A) Adds one or more elements to the beginning of an array
- B) Removes the last element from an array
- C) Adds one or more elements to the end of an array
- D) Checks if a value exists in an array
Answer: C) Adds one or more elements to the end of an array
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Which of the following is used to access the value of a specific element in an associative array?
- A) $array[index]
- B) $array->index
- C) $array['index']
- D) Both A and C
Answer: C) $array['index']
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What does the
session_start()function do in PHP?- A) Ends the current session
- B) Starts a new session or resumes the existing one
- C) Destroys all data registered to a session
- D) Resets the session ID
Answer: B) Starts a new session or resumes the existing one
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What is the correct way to check if a file exists in PHP?
- A) file_exists()
- B) exists_file()
- C) is_file()
- D) check_file_exists()
Answer: A) file_exists()
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