Question

Which statement will output $x on the screen?
A.echo “\$x”;
B.echo “$$x”;
C.echo “/$x”;
D.echo “$x;”;

Answer 1

Hi there,

Option A is correct.

A backslash is used so that the dollar sign is treated as a normal string character rather than prompt PHP to treat $x as a variable. The backslash used in this manner is known as escape character.

Answer 2

Answer:

Correct option is:

A. echo “\$x”;

echo “\$x”; statement will output $x on the screen.

Explanation:

The use of a backslash prevents PHP from treating the dollar sign as a variable and instead treats it as a regular string character.

• This type of backslash is referred to as an escape character. The use of a backslash prevents PHP from treating the dollar sign as a variable and instead treats it as a regular string character.
• This type of backslash is referred to as an escape character.
• Instead of telling PHP to treat $a as a variable, the dollar sign is made to appear as a regular string character using the backslash  '\' .
• This use of the backslash  '\'  is referred to as an escape character.