Question

In my code I am checking whether variables exist. But it is not turning out the way I expect it.

This is what I’m trying to do:

1. Retrieve $result from database.
2. Execute a block of code only if a result has been extracted (otherwise do nothing/skip over/move forward).

I used if(isset($result)) but it doesn’t seem to be working, looks like the if is being executed, even though it shouldn’t when there is no data in $result. (but with problems because there is no actual $result variable to use in this block)

Answer 1

To check if there is any data extracted, use this :

$connect = mysql_connect("127.0.0.1",$sql_username,$sql_password);
$data = mysql_query($sql_query,$connect);
$result = mysql_fetch_array($data);
if($result) { ... }