Error message

• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /var_www_html/www.pharmacognosy.upatras.gr/includes/common.inc).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2405 of /var_www_html/www.pharmacognosy.upatras.gr/includes/menu.inc).