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else statment only ever outputs the first statement

Posted on 2008-10-29
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Last Modified: 2012-05-05
im trying to grab from the db users that have posted in my forum... so then if they have posted in a spesific thread then it will show an icon ...
think is my code only shows yes u possted here... no matter what the outcome :S
<?php
require_once '../settings.php';
 
 
$query = mysql_query("SELECT COUNT(postid) FROM forumtutorial_posts WHERE postid='255' OR parentid = '255' AND author='demo'");
 
   if($query != 0) {
      echo 'yes you poster here';
   }
   else
   {echo 'no';}
   ?>

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Question by:runnerjp
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3 Comments
 
LVL 143

Accepted Solution

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Guy Hengel [angelIII / a3] earned 500 total points
ID: 22836571
you need () around the OR condition?

also, you need to "fetch" the result:
$query = mysql_query("SELECT COUNT(postid) FROM forumtutorial_posts WHERE( postid='255' OR parentid = '255' ) AND author='demo'");
$count = mysql_result($query, 0,0);
if ($count != 0) 
 ...

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Author Comment

by:runnerjp
ID: 22836668
thanks that worked great... 2 questions... who () the or and also whats this ($query, 0,0);
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 22836729
>also whats this ($query, 0,0);
actually, that is mysql_result($query, 0,0);

that function returns the first column (0-based index) from the first row (again, 0-based index) from the query handle ($query). more info:
www.php.net/mysql_result

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