odbc_close_all(3) php man page | unix.com

ODBC_CLOSE_ALL(3)							 1							 ODBC_CLOSE_ALL(3)

odbc_close_all - Close all ODBC connections

SYNOPSIS
       void odbc_close_all (void  )

DESCRIPTION
       odbc_close_all(3) will close down all connections to database server(s).

PARAMETERS
       This function has no parameters.

RETURN VALUES
	No value is returned.

NOTES
       Note

	       This function will fail if there are open transactions on a connection. This connection will remain open in this case.

PHP Documentation Group 													 ODBC_CLOSE_ALL(3)