Parameters Used
- host: It is optional and it specifies the hostname or IP address. In the case of local server, localhost is used as a general keyword to connect the local server and run the program.
- username: It is optional and it specifies MySQL username. In the local server username is root.
- Password: It is optional and it specifies MySQL password.
- database_name: It is a database name where operations perform on data. It is also optional.
PHP mysqli_connect() Function
The mysqli_connect() function in PHP is used to connect you to the database. In the previous version of the connection, the mysql_connect() was used for connection and then there comes mysqli_connect() function where i denotes an improved version of the connection and is more secure than mysql_connect().
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