PHP. Руководство по PHP. 2005
db2_close
db2_close
Описание
bool db2_close (resource connection)This function closes a DB2 client connection created with db2_connect() and returns the corresponding resources to the database server.
If you attempt to close a persistent DB2 client connection created with db2_pconnect(), the close request is ignored and the persistent DB2 client connection remains available for the next caller.