Learn PHP MCQs

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

How can you increase the execution time of a PHP script?

1) set_time_limit()

2) increase_time()

3) set_execution_time()

4) execution_time()

Answer : Option 1

Which of the following function is used to sort an array by key in PHP?

1) ksort()

2) key_sort()

3) array_ksort()

4) key_array_sort()

Answer : Option 1

Which of the following function is used to strip whitespace from the beginning and end of a string?

1) trim()

2) ltrim()

3) rtrim()

4) strip()

Answer : Option 1

How do you convert a string to lowercase in PHP?

1) strlower()

2) tolower()

3) strtolower()

4) lower()

Answer : Option 3

What is the correct way to redirect a user in PHP?

1) redirect()

2) header("Location: url");

3) location("url");

4) go_to("url");

Answer : Option 2

Which function is used to find the first occurrence of a string inside another string?

1) strpos()

2) strstr()

3) findstr()

4) strchr()

Answer : Option 1

Which of the following is used to destroy a session in PHP?

1) session_destroy()

2) destroy_session()

3) end_session()

4) session_end()

Answer : Option 1

Which of the following function is used to create a cookie in PHP?

1) setcookie()

2) createcookie()

3) makecookie()

4) cookie()

Answer : Option 1

What is the correct way to count the number of elements in an array?

1) array_count()

2) count()

3) sizeof()

4) array_size()

Answer : Option 2

How do you remove the last element from an array in PHP?

1) array_pop()

2) array_remove()

3) array_delete()

4) pop()

Answer : Option 1