Add a backslash in front of the character "W":
The addcslashes() function returns a string with backslashes in front of the specified characters.
Note: The addcslashes() function is case-sensitive.
Note: Be careful using addcslashes() on 0 (NULL), r (carriage return), n (newline), f (form feed), t (tab) and v (vertical tab). In PHP, \0, \r, \n, \t, \f and \v are predefined escape sequences.
Parameter | Description |
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string | Required. Specifies the string to be escaped |
characters | Required. Specifies the characters or range of characters to be escaped |
Return Value: | Returns the escaped string |
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PHP Version: | 4+ |
Add backslashes to certain characters in a string:
Add backslashes to a range of characters in a string: