Strings in PHP - Topic-wise PHP Multiple Choice Questions and Answers

1 What is the output of the following program ?

	<?php
	$str = "Learn PHP and \c";
	echo $str;
	?>

A Fatal error

B Compilation error

C Learn PHP and \c

D prints 15

Answer: Option [C]

Unknown escape sequence \c is ignored

2 The var_dump() function displays

A the binary value of a variable

B any PHP value in a human readable form

C the whether a variable is empty or not

D none of these above

Answer: Option [B]

3 Which is true about var_dump() function?

A var_dump() loops infinitely

B var_dump() cuts off loop afetr getting same element two times

C var_dump() cuts off loop after getting the same element three times

D var_dump() cuts off loop after getting the same element five times

Answer: Option [C]

4 Which function is used to remove whitespace from the start of the string ?

A trim()

B strim()

C rtrim()

D ltrim()

Answer: Option [D]

5 ucfirst() function changes case

A of the first character of the string

B of the first character of each words

C of the first uppercase character appeared

D of the first lowercase character appeared

Answer: Option [A]

PHP Multiple Choice Questions with Answers