string addcslashes(string str, string charlist);Returns a string with backslashes before characters that are listed in charlist parameter. It escapes \n, \r etc. in C-like style, characters with ASCII code lower than 32 and higher than 126 are converted to octal representation. Be carefull when escaping alphanumeric characters. You can specify a range in charlist like "\0..\37", which would escape all characters with ASCII code between 0 and 31.
Example 1. Addcslashes() example
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Note: Added in PHP4b3-dev.
See also stripcslashes(), stripslashes(), htmlspecialchars(), htmlspecialchars(), and quotemeta().