PHP SQL将SELECT COUNT（user）变为变量

Question

How do I get the outcome of

SELECT COUNT(user) FROM game_paths WHERE user = '$user'

to a PHP variable

I tried

mysql_num_rows

but it returns nothing.

Answer 1

You should use mysql_result and get the first column of the result. Like this:

$result = mysql_query("SELECT COUNT(user) FROM game_paths WHERE user='$user'");
$count = mysql_result($result, 0);

You can also alias the column like this:

$result = mysql_query("SELECT COUNT(user) AS total FROM game_paths WHERE user='$user'");
$data = mysql_fetch_assoc($result);
$count = $data['total'];

Which might be better if you're going to select several columns at the same time, and also for readability.