What is the difference between $wpdb and WP_Query?
$wpdb is a PHP global variable that holds the WordPress database object, which is actually an instantiation of the wpdb class. WP_Query actually uses wpdb to query the database. Use…
What is $wpdb in WordPress and How to Use it for Database Security
$wpdb is a PHP global variable that holds the WordPress database object, which is actually an instantiation of the wpdb class. $wpdb is used to manipulate custom database tables with…
What is ABSPATH in WordPress and How to Use it for Security
ABSPATH is a PHP constant, which holds the Absolute path to the WordPress directory. It is defined in wp-config.php /** Absolute path to the WordPress directory. */ if ( !…