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validation of textfields an textarea

Thread began 9/20/2010 2:32 am by Cologne | Last modified 9/20/2010 5:48 pm by Dani Chankhour | 696 views | 1 replies |


validation of textfields an textarea

Hi there,

can someone tell me what I need for validation in textfields and/or textarea to make them safe from hackers?

Just when creating a simple contact form. Do I need to use htmlentities?

I right now have entery length checkt, cause it makes the field required, too.


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Dani Chankhour

adding htmlentities is a great idea because it helps avoid cross scripting vulnerabilities. or you can also use this function:

function MakeSafe($unsafestring) {
if (!get_magic_quotes_gpc())
return mysql_escape_string($unsafestring);
return htmlentities($unsafestring);

which i found here:


which also helps in sql injection.

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