How to close mysql connection in php?

php method to close the mysql connection: 1. Use [mysql_close()] to close the database connection, which will automatically close; 2. Set the connection resource parameters to close the specified database connection, the code is [$link = mysql_connect($host, $user, $pass】.

php method to close mysql connection:

1 . When the database operation is completed, you can use mysql_close to close the database connection. By default, when PHP is executed, the database connection will be automatically closed.

mysql_close();

2. Although PHP will automatically close Database connections generally meet the needs, but in cases where performance requirements are relatively high, the database connections can be closed as soon as possible after the database operation is completed to save resources and improve performance.

When there are multiple In the case of a database connection, you can set the connection resource parameters to close the specified database connection.

$link = mysql_connect($host, $user, $pass);
mysql_close($link);

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