Posted by ZeldorBlat on 08/09/07 13:12

On Aug 9, 6:42 am, Sanders Kaufman <bu...@kaufman.net> wrote:
> I just found out that an app I wrote doesn't allow the user to input
> apostrophes into the textarea. If they do, the insert/update fails.
>
> I'm sure this issue has been done to death - but it's the first time
> it's come up for me.
>
> What I'm doing is something like this:
>
> function UpdateRecord($iID, $sContent) {
> $sSQL = "UPDATE MyTable SET content='$sContent' where id=$iID";
> $bSuccess = RunSQL($sSQL);
> return $bSuccess;
>
> }
>
> Is there a simple escape command, or am I going to have to get all into
> writing some complex handler for apostrophes and whatnot.

Yes. But you haven't said which database you're using. If you're
using MySQL you want mysql_real_escape_string().

>
> Note: In this example, I'm *totally* ignoring the threat from SQL
> injection. I just don't want apostrophes to crash the update/create.

Using mysql_real_escape_string() will protect you from that, too.

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