There are two types of connection with database in php. They are
Note : Persistent connections don't give you any functionality that wasn't possible with their non-persistent brothers.
Note : mysql_close(connection) // function closes a non-persistent MySQL connection.
- Non-Persistent connection : Connection is closed at end of script (end of page).
mysql_connect(server,user,pwd,newlink,clientflag); - Persistent connection : Persistent connections are links that do not close when the execution of your script ends. When a persistent connection is requested, PHP checks if there's already an identical persistent connection (that remained open from earlier) - and if it exists, it uses it. If it does not exist, it creates the link. An 'identical' connection is a connection that was opened to the same host, with the same username and the same password (where applicable).
mysql_pconnec(server,user,pwd,newlink,clientflag);
Note : Persistent connections don't give you any functionality that wasn't possible with their non-persistent brothers.
Note : mysql_close(connection) // function closes a non-persistent MySQL connection.
