removed and deprecated functions

The following functions are marked as deprecated and will be removed:

->query()

use new methods instead
->numRows()

use new methods instead
->fetchRow()

use new methods instead
->fetchAll()

use new methods instead

In addition following files/directories/functions will be removed in LEPTON 5.x :

/admins
/templates/algos
/include/yui
/include/jscalendar
/modules/jsadmin
/framework/classes/class.admin_phplib.php
/framework/functions/function.switch_theme.php

/modules/lib_jquery/external/
jquery.idTabs.min
jquery.MetaData
jquery.MultiFile.pack
jquery-insert
jquery-plugin
jquery-pngFix
webkit_fix

The following functions are already removed in current stable release:

page_menu()

use show_menu2() instead
show_menu()

use show_menu2() instead
show_breadcrumbs()

use show_menu2() instead
checkIPv4address()

n.a.
chmod_directory_contents()

n.a.
media_dirs_ro()

n.a.
register_frontend_modfiles[_body]()

use get_page_headers() / get_page_footers() instead
__additems()

use additems() instead
valid_lepton_template()

n.a.
class.database

use lepton_database instead with autoload
class.wbmailer, class.lepmailer

use lepton_mailer instead with autoload
bind_jquery()

n.a.
page_header()

use WEBSITE_HEADER instead.
page_footer()

use WEBSITE_FOOTER instead.
all function files referring to utf-8 and iso

not needed any longer
class.admin.php
class.admin_phplib.php
class.admin_twig.php
class.frontend.php
class.lepton.filemanager.php
class.login.php
class.order.php
class.securecms.php
class.validate.request.php
class.wb.php
summary.droplets.php
var.date_formats.php
var.time_formats.php
var.timezones.php
function.get_addon_page_description.php
function.get_addon_page_keywords.php
function.get_addon_page_title.php
function.get_droplet_headers.php
function.is_registered_addon_header.php
function.is_registered_droplet.php
function.page_filename.php

use function.save_filename.php instead.
function.register_addon_header.php
function.register_droplet.php
function.unregister_addon_header.php
function.unregister_droplet.php
function.sortPreCheckArray.php
validate_email( \\$email )

use 'filter_var' instead