Learn PHP MCQs

Prepare PHP MCQs (Multiple choice Questions) for exam and job interviews.

How do you retrieve a specific character from a string in PHP?

1) Using array notation with the string

2) Using the `charAt()` function

3) Using the `substr()` function

4) Using the `strchr()` function

Answer : Option 1

Which function is used to combine array elements into a string in PHP?

1) implode()

2) combine()

3) join()

4) merge()

Answer : Option 1

What does the `strrev()` function do in PHP?

1) Reverses a string

2) Converts a string to lowercase

3) Splits a string into an array

4) None of the above

Answer : Option 1

Which of the following is used to handle errors in PHP?

1) try-catch

2) error_reporting()

3) if-else

4) None of the above

Answer : Option 1

How do you add an element to the beginning of an array in PHP?

1) array_unshift()

2) array_push()

3) add_to_start()

4) prepend()

Answer : Option 1

What is the purpose of the `session_start()` function in PHP?

1) Initializes a new session or resumes an existing session

2) Ends the current session

3) Deletes a session

4) None of the above

Answer : Option 1

How do you handle form submission in PHP?

1) Using the `$_POST` or `$_GET` superglobal arrays

2) Using the `form_data()` function

3) Using the `submit_form()` method

4) None of the above

Answer : Option 1

What does the `parse_str()` function do in PHP?

1) Parses a query string into variables

2) Converts a string into a query string

3) Parses a JSON string into an array

4) None of the above

Answer : Option 1

Which function is used to close a file in PHP?

1) fclose()

2) close_file()

3) end_file()

4) file_close()

Answer : Option 1

How do you escape special characters in a string for use in SQL queries in PHP?

1) Using `mysqli_real_escape_string()`

2) Using `addslashes()`

3) Using `escape_string()`

4) Using `sql_escape()`

Answer : Option 1