this is working fine :
while($tags=mysql_fetch_array($d_b->sql_answer,MYSQL_ASSOC)){
echo $tags['tag_name'] . "<br/>";
}
display :
html
css
javascript
c++
php
but when i try to do some sql statements inside like this :
while($tags=mysql_fetch_array($d_b->sql_answer,MYSQL_ASSOC)){
$sql="SELECT * FROM user
WHERE user_languages LIKE '% {$tags[tag_name]} %'";
//to apply the $sql
$d_b->apply($sql);
//number of results
$num=$d_b->num_rows();
$sql="UPDATE tags
SET tag_folowers={$num}";
$d_b->apply($sql);
}
it return an error : Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given
