Is there any method to close connection similar to mysql_close() for wpdb in WordPress?
Is it not necessary to close connection for global wpdb?
How to close wpdb connection?
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WP 4.5 had introduced
wpdb->close()method to close connection in current instance.Old answer
There is no explicit method. It stores link identifier in$wpdb->dbhfield, but it is protected, so not convenient to run close on.