- What is the output of the following code snippet?
$a = 5; $b = 10; echo ($a > $b) ? "Greater" : "Smaller";
- A) Greater
- B) Smaller
- C) Error
- D) None of the above
Answer: B) Smaller
- Which of the following PHP functions is used to remove whitespace or other predefined characters from the right side of a string?
- A) rtrim()
- B) ltrim()
- C) trim()
- D) strip()
Answer: A) rtrim()
- What does the
file_get_contents()function in PHP do?
- A) Reads a file into a string
- B) Writes data to a file
- C) Checks if a file exists
- D) Deletes a file
Answer: A) Reads a file into a string
- Which of the following is used to loop through all the values of an array in PHP?
- A) foreach
- B) for
- C) while
- D) do-while
Answer: A) foreach
- What is the output of the following code snippet?
$x = 10; echo ++$x;
- A) 9
- B) 10
- C) 11
- D) Error
Answer: C) 11
- Which of the following is used to combine two arrays into one in PHP?
- A) array_combine()
- B) array_merge()
- C) array_intersect()
- D) array_diff()
Answer: B) array_merge()
- What is the default method for sending form data in PHP?
- A) GET
- B) POST
- C) PUT
- D) DELETE
Answer: B) POST
- Which of the following is used to redirect the user to another page in PHP?
- A) redirect()
- B) header()
- C) refresh()
- D) goto()
Answer: B) header()
- What does the
str_replace()function in PHP do?
- A) Replaces all occurrences of a search string with another string
- B) Reverses a string
- C) Trims whitespace from both ends of a string
- D) Returns the length of a string
Answer: A) Replaces all occurrences of a search string with another string
- What does the
$_SESSIONsuperglobal variable in PHP store?
- A) Server settings
- B) User session data
- C) Cookies
- D) POST data
Answer: B) User session data
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