(PHP 3, PHP 4, PHP 5)
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
ldap_unbind() function unbinds from the LDAP directory.
ldap_unbind kills the link descriptor. So, if you want to rebind as another user, just bind again; don't unbind. Otherwise, you'll have to open up a new connection.