Re: MySQL query not working!

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On Wed, 2010-03-31 at 16:50 +0430, Parham Doustdar wrote:

> Andre,
> The @ operator is used for error catching statements. When you put:
> 
> @mysql_connect('localhost', 'username', 'password') or die('Could not 
> connect.');
> 
> If PHP fails to make a connection, the script execution is stopped, and the 
> error message between the apostrophes is given.
> 
> And, I found out what the problem was; I should have put:
> 
> if (mysql_num_rows($result))
> 
> rather than just
> 
> if ($result)
> 
> Thanks!
> ----- Original Message ----- 
> From: "Andre Polykanine" <andre@xxxxxxxx>
> To: "Parham Doustdar" <parham90@xxxxxxxxx>
> Cc: <php-general@xxxxxxxxxxxxx>
> Sent: Wednesday, March 31, 2010 4:41 PM
> Subject: Re:  MySQL query not working!
> 
> 
> > Hello Parham,
> >
> > Adding to Ash's question, why to use the @ operator before
> > mysql_query?
> > -- 
> > With best regards from Ukraine,
> > Andre
> > Skype: Francophile; Wlm&MSN: arthaelon @ yandex.ru; Jabber: arthaelon @ 
> > jabber.org
> > Yahoo! messenger: andre.polykanine; ICQ: 191749952
> > Twitter: m_elensule
> >
> > ----- Original message -----
> > From: Parham Doustdar <parham90@xxxxxxxxx>
> > To: php-general@xxxxxxxxxxxxx <php-general@xxxxxxxxxxxxx>
> > Date: Wednesday, March 31, 2010, 2:50:07 PM
> > Subject:  MySQL query not working!
> >
> > Hi there,
> > Here is a snippet of code... that doesn't work for some reason. Please 
> > note
> > that I have put some
> >
> > @mysql_query($query) or die(mysql_error());
> >
> > statements, to see if MySQL gives an error. I receive nothing other than 
> > the
> > file starting to download. This is supposed to be a file download counter:
> >
> > [code]
> > <?php
> > //connect to the DB
> > mysql_connect() //There is no problem with the connection so I didn't
> > include the complete code.
> >
> > //The table where the hits are stored.
> > $table = "files";
> >
> > $query = "select * from " . $table . " where filename = '" . $_GET['file'] 
> > .
> > "'";
> > $result = mysql_query($query);
> >
> > if ($result) //Has the file previously been added?
> > {
> > $query = "update " . $table . " set hits = hits + 1 where filename = '" .
> > $_GET['file'] . "'";
> > @mysql_query($query) or die(mysql_error());
> > header('location:http://www.qwitter-client.net/' . $_GET['file']);
> > }
> > else //it's the first time we're adding this file to the DB.
> > {
> > $query = "insert into " . $table . " (filename, hits) values ('" .
> > $_GET['file'] . "', 1)";
> > @mysql_query($query) or die(mysql_error());
> > header('location:http://www.qwitter-client.net/' . $_GET['file']);
> > }
> > ?>
> >
> >
> >
> > -- 
> > PHP General Mailing List (http://www.php.net/)
> > To unsubscribe, visit: http://www.php.net/unsub.php
> > 
> 
> 


My understanding of the @ here would be that PHP won't register the
error, so it won't ever die()

Thanks,
Ash
http://www.ashleysheridan.co.uk



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