addcslashes() function in PHP

The addcslashes() function returns the string with blackslashes.

Note − The addcslashes() function is case-sensitive

Syntax

addcslashes(str, characters)

Parameters

• str − The string to be escaped

• characters − The character or character range to be escaped

Return value

addcslashes() function returns a backslash before the specified character String.

Example

The following is an example−

Real-time demonstration

<?php
   $str = addcslashes("First World!","W");
   echo($str);
?>

Output

The following is the output−

First \World!

Example

Let’s see another example−

Demonstration

<?php
   $str = addcslashes("First World!","a..r");
   echo($str);
?>

Output

Here is the output−

F\i\rst W\o\r\l\d!

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