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PHP : addcslashes() function

Description

The addcslashes() function is used to add backslashes in front of the specified characters in a string.
Note : In PHP \0 (NULL), \r (carriage return), \n (newline), \f (form feed), \v (vertical tab) and \t (tab) are predefined escape sequences.

Version:

(PHP 4 and above)

Syntax:

 addcslashes (string_name, charlist)

Parameters:

Name Description Required /
Optional		 Type
string_name The string to be escaped.. Required String
charlist Sequence of characters. Optional String

Return values:

The escaped string.

Value Type: String.

Pictorial Presentation:

php-string-addcslashes()

Example: 

<?php
echo addcslashes('w3resource.com', '0..9');
echo '<br>';
echo addcslashes('w3resource.com', '.');
echo '<br>';
echo addcslashes('Welcome to w3resource.com','t');
echo '<br>';
echo addcslashes('Welcome to w3resource.com','A..Z');
echo '<br>';
?>

Output: 

w\3resource.com
w3resource\.com
Welcome \to w3resource.com
\Welcome   to w3resource.com

View the example in the browser

See also

PHP Function Reference

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