- f -

• file_delete() : filestore.php
• file_get_general_file_type() : filestore.php
• filter_string() : deprecated-1.8.php
• filter_tags() : input.php
• find_active_users() : users.php
• find_metadata() : deprecated-1.8.php
• find_plugin_settings() : deprecated-1.8.php
• find_plugin_usersettings() : deprecated-1.8.php
• force_user_password_reset() : users.php
• forward() : elgglib.php
• friendly_time() : deprecated-1.8.php
• friendly_title() : deprecated-1.8.php
• full_url() : deprecated-1.9.php