Which PHP function is used to disconnect from MySQL database?

PHP provides us with the mysql_close() function, with which we can disconnect from the MySQL database at any time. This function takes a single parameter, which is the connection returned by the mysql_connect() function. The syntax is as follows -

Syntax

bool mysql_close ( resource $link_identifier );

Here, if no resource is specified, the last opened database will be closed. This function returns true if the connection is closed successfully, false otherwise.

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