PHP MySQL Connection CloseTo close a mysql connection we can use mysql_close() function. It can takes a optional parameter as link and closes it. If no link identifier is specified then last opened connection is closed. It is not necessary to use mysql_close() function as all connections are closed at the end of the script execution. Here is the function
Note that mysql_close() will not close persistent connection created by using mysql_pconnect()
Example of MySQL connection, query execution and closing connectionThe sequence is to first connect to MySQL database , then mange the database and finally close the connection.
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