How are multiple WordPress WPDB queries handled?

Method 1 – Check for the last row id. SELECT * FROM $incentives_table WHERE user_id = %s AND credited = FALSE You can get the last row in the array and get the column row_id. And then you can update with the where WHERE user_id = %s AND credited = FALSE AND row_id <= {last … Read more

WordPress query is not returning proper results

Take a look at your meta_query param. With and without country param. // With country ‘meta_query’ => array( 0 => array( ‘key’ => ‘_al_listing_country’, ‘value’ => array( 0 => ‘Pakistan’, 1 => ‘United Kingdom’, ), ‘compare’ => ‘IN’, 0 => array(), 1 => array( ‘key’ => ‘_al_listing_model_name’, ‘value’ => array( 0 => ‘F12 Berlinetta’, 1 … Read more

A MySQL DB within a MySQL DB

When you run the wordpress installation script, on step 5 of the famous 5 minute install https://codex.wordpress.org/Installing_WordPress#Step_5:_Run_the_Install_Script … use the same Database Credentials as the existing site, but use a different prefix for the tables. The default prefix is “wp_” make it something like “my_” and that’s it. (You’ll see it says, “If you want … Read more

Able to use all admin pages but in the frontend there is a “Error establishing a database connection”-Error

Make sure your database connection is correct define(‘DB_NAME’, ‘database-name’); define(‘DB_USER’, ‘database-username’); define(‘DB_PASSWORD’, ‘database-password’); define(‘DB_HOST’, ‘localhost’); And you should test with plain php file for connecting database like below codes <?php $connect = mysql_connect(‘localhost’, ‘root’, ‘password’); if (!$connect) { die(‘Could not connect: ‘ . mysql_error()); } echo ‘Connected successfully’; mysql_close($connect); To make it flexible on localhost … Read more