addslashes() function in PHP

The addslashes() function returns the string with backslashes in front of predefined characters. It returns a string with backslashes in front of predefined characters.

The predefined characters are the following: single quote ('), double quote ("), backslash (\) and NULL

Syntax

addslashes(str)

Parameters

• str  − Specifies the string to be escaped

Return

The addslashes() function returns a string with backslashes in front of predefined characters.

Example

The following is an example −

<?php
   $s = "Who's Tom Hanks?";
   echo $s . " Unsafe for database query!<br>";
   echo addslashes($s) . " Safe in a database query!";
?>

Output

Who's Tom Hanks? Unsafe for database query!
Who\'s Tom Hanks? Safe in a database query!

Example

Let us see another example −

<?php
   $s = addslashes('Cricket is a “religion” in India.');
   echo($s);
?>

Output

Cricket is a “religion” in India.