Escape sequences in strings in PHP - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print a new line using an escape sequence.

PHP

<?php
echo "Hello[1]World!";
?>

Drag options to blanks, or click blank then click option'

A\n

B\t

C\r

D\\

Attempts:

3 left

💡 Hint

Common Mistakes

Using \t which adds a tab space instead of a new line.

Using \\ which prints a backslash.

The escape sequence \n creates a new line in the output.

2fill in blank

medium

Complete the code to include a tab space between words.

PHP

<?php
echo "Hello[1]World!";
?>

Drag options to blanks, or click blank then click option'

A\t

B\n

C\r

D\\

Attempts:

3 left

💡 Hint

Common Mistakes

Using \n which adds a new line instead of a tab.

Using \\ which prints a backslash.

The escape sequence \t adds a horizontal tab space between words.

3fill in blank

hard

Fix the error in the code to correctly print a backslash character.

PHP

<?php
echo "This is a backslash: [1]";
?>

Drag options to blanks, or click blank then click option'

A\t

B\\

C\n

D\

Attempts:

3 left

💡 Hint

Common Mistakes

Using a single backslash which causes an error or unexpected output.

Using \n or \t which print new line or tab instead.

To print a single backslash, you need to escape it with another backslash: \\.

4fill in blank

hard

Fill both blanks to print a double quote inside a string.

PHP

<?php
echo "She said: [1]Hello[2]";
?>

Drag options to blanks, or click blank then click option'

A\"

B\n

C"

D\t

Attempts:

3 left

💡 Hint

Common Mistakes

Using unescaped double quotes which break the string.

Using single quotes which do not work inside double-quoted strings.

To print double quotes inside a double-quoted string, use the escape sequence \".

5fill in blank

hard

Fill all three blanks to print a path with backslashes and a new line.

PHP

<?php
echo "C:[1]Users[2]Documents[3]";
?>

Drag options to blanks, or click blank then click option'

A\\

B\n

C/

D\t

Attempts:

3 left

💡 Hint

Common Mistakes

Using single backslashes which cause errors.

Using forward slashes instead of backslashes.

Forgetting to add a new line escape sequence.

Backslashes in paths must be escaped as \\. To add a new line, use \n.