Learn PHP MCQs

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

Which of the following is used to calculate the absolute value of a number in PHP?

1) abs()

2) absolute()

3) getabs()

4) calc_abs()

Answer : Option 1

Which of the following is used to generate a string with a specific character repeated in PHP?

1) str_repeat()

2) repeat()

3) str_repeat_char()

4) str_repeat_str()

Answer : Option 1

How do you generate a secure hash of a string in PHP?

1) password_hash()

2) hash_string()

3) str_hash()

4) secure_hash()

Answer : Option 1

Which of the following is used to create a JSON string from an array in PHP?

1) json_encode()

2) encode_json()

3) json_array()

4) arr_to_json()

Answer : Option 1

How do you pause the execution of a script for a specific number of seconds in PHP?

1) sleep()

2) pause()

3) wait()

4) delay()

Answer : Option 1

Which of the following is used to check if a value is numeric in PHP?

1) is_numeric()

2) numeric()

3) check_numeric()

4) isnumber()

Answer : Option 1

How do you send an email using PHP?

1) mail()

2) sendmail()

3) email()

4) postmail()

Answer : Option 1

Which of the following is used to redirect to another page in PHP?

1) header()

2) redirect()

3) goto()

4) location()

Answer : Option 1

What does the `include` statement do in PHP?

1) Includes a file multiple times

2) Includes a file once

3) Includes a file and generates a warning if it fails

4) Includes a file and stops execution if it fails

Answer : Option 3

Which of the following is true about PHP variables?

1) They must start with a letter or underscore

2) They must start with a dollar sign ($)

3) They can contain letters, numbers, and underscores

4) All of the above

Answer : Option 4