quotemeta

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

quotemeta -- Quote meta characters

Description

string quotemeta (string str)

Returns a version of str with a backslash character (\) before every character that is among these:
. \\ + * ? [ ^ ] ( $ )

See also addslashes(), htmlentities(), htmlspecialchars(), nl2br(), and stripslashes().