Try using the mysql_ping() command to check to see if your connection is available:
http://us2.php.net/manual/en/function.mysql-ping.php something like: <?php if ([EMAIL PROTECTED]()) //Note the @ is because, if mysql_ping cannot get connected, it will display a warning - suppress so users don't see { connectToDB(); } mysql_real_escape_string('stuff'); ?> HTH- James On Jan 22, 2008 6:04 PM, Dotan Cohen <[EMAIL PROTECTED]> wrote: > On 23/01/2008, Richard Lynch <[EMAIL PROTECTED]> wrote: > > > > > > On Tue, January 22, 2008 7:01 pm, Dotan Cohen wrote: > > > I have a file of my own functions that I include in many places. One > > > of them uses mysql_real_escape_string, however, it may be called in a > > > context that will or will not connect to a mysql server, and worse, > > > may already be connected. So I must avoid connecting. However, when I > > > run the script without connecting I get this error: > > > > Don't do that? > > :-) > > > > Can the file really do anything useful without the DB? > > The file defines some of my own functions, like these: > > function clean_html ($dirty) { > $dirty=strip_tags($dirty); > $clean=htmlentities($dirty); > return $clean; > } > > function clean_mysql ($dirty) { > $dirty=str_replace ("--", "", $dirty); > $dirty=str_replace (";", "", $dirty); > $clean=mysql_real_escape_string($dirty); > return $clean; > } > > I use these functions in many places, so I simply put them all in a > file and include it in each page. > > > When there *IS* a connection, how do you access it? > > mysql_fetch_array or mysql_result > > > Can't the file check somehow? > > I suppose that it could, by checking the return of one of the two > functions above. Lucky for me, I always use UTF-8 so I won't get stuck > connecting with one encoding yet doing mysql_real_escape_string with > another, which would be a problem if I had to deal with multiple > encodings. > > > Dotan Cohen > > http://what-is-what.com > http://gibberish.co.il > א-ב-ג-ד-ה-ו-ז-ח-ט-י-ך-כ-ל-ם-מ-ן-נ-ס-ע-ף-פ-ץ-צ-ק-ר-ש-ת > > A: Because it messes up the order in which people normally read text. > Q: Why is top-posting such a bad thing? >