[wp-hackers] Access custom table using global wpdb not working

[Chris Hearn]

Hi,
Just recently a custom plugin on my site stopped working properly (after 
several years).
The following line that fails is simply getting a count from a custom 
(non-wp) table.

global $wpdb;
...
$num = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->custom_tablename"); 
// result is null because it appears that $wpdb->custom_tablename is 
also null.

$num_wpUsers = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->users"); // 
this works as expected!

If there some change that only allows "standard" wordpress table names now?

Thanks for any help!
Chris


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