Read how to use mysqli_query in wordpress for more information.

The first argument of mysqli_query is expected to be a connection string. $wpdb
is not a connection string, it is the wordpress database object.
Warning: mysqli_query(): Error reading result set's header in /home/clients/
eabc66cbb4209afa7a73b3e19a8e5ec3/web/wp-includes/wp-db.php on line
how to use mysqli_query in wordpress
Using WordPress' built-in sanitation methods is one way of protecting against this
. It's not perfect (you could still write a really bad query) but it …
Hi, I updated Wordfence to 6.2 and now it gives me again the MySQL warnings
that were solved in version 6.16/17. I already activated the new “use low …
To fetch data from database table <?php $results = $wpdb->get_results( "
SELECT * FROM $table_name"); // Query to fetch data from database …
This means it is not intended for use by plugin or theme developers, only in other
core functions. It is listed here for completeness. Use wpdb::query() instead.
On the url below you can find all the information that you need regarding
The WordPress Database API does not expose a way to work with multiple
resultsets. … To fetch the second one one would have to use the mysqli API
Buenas, estoy migrando mi web desde un hosting que usaba la versión de PHP
5.3.X y el nuevo hosting me permite a partir de la PHP 5.5.38 aunque tiene …
In WordPress 3.9, we added an extra layer to WPDB, causing it to switch to using
the mysqli PHP library, when using PHP 5.5 or higher.

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