Re: Division by zero

From: Date: Tue, 08 Oct 2002 01:57:02 +0000
Subject: Re: Division by zero
References: 1 2  Groups: php.general 
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Yes, I did that before I posted. I am beginning to wonder if vote1-3 are being retrieved from the database. Gary John W. Holmes wrote:
Sounds like $total is zero to me...do you think PHP is making up errors for you? Have you checked the value of $total and the different $voteX variables? ---John Holmes...
-----Original Message----- From: Gary [mailto:garyb10@earthlink.net] Sent: Monday, October 07, 2002 9:29 PM To: php-general@lists.php.net Subject: [PHP] Division by zero I am trying t get the percent of votes form the table poll, but keep getting Division by zero for the line commented below. <snip> if ($res) { echo "bla bla bla"; $sql = "SELECT question, responce1, responce2, responce3, vote1, vote2, vote3, date FROM poll WHERE id = {$_POST['id']}";
    $res = $db->query($sql);
    if (DB::isError($res)) {
        die ($res->getMessage());
    }
while ($row = $res->fetchRow());
	      $id = $row[0];
         $question  = $row[1];
         $responce1 = $row[2];
$responce2 = $row[3]; $responce3 = $row[4]; $vote1 = $row[5]; $vote2 = $row[6]; $vote3 = $row[7]; $date = $row[8]; /* Count the votes*/ $total = $vote1 + $vote2 + $vote3; /* Caluclate */ $perc_vote1 = round(($vote1/$total)*100,2); /* Division by zero*/ $perc_vote2 = round(($vote2/$total)*100,2); /* Division by zero*/ $perc_vote3 = round(($vote3/$total)*100,2); /* Division by zero*/ <snip> TIA Gary -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php


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