/* * Patch for filter_var() */ if(!function_exists('filter_var')){ define('FILTER_VALIDATE_IP', 'ip'); define('FILTER_FLAG_IPV4', 'ipv4'); define('FILTER_FLAG_IPV6', 'ipv6'); define('FILTER_VALIDATE_EMAIL', 'email'); define('FILTER_FLAG_EMAIL_UNICODE', 'unicode'); function filter_var($variable, $filter, $option = false){ if($filter == 'ip'){ if($option == 'ipv4'){ if(preg_match("/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/", $variable, $matches)){ $variable = $matches[1]; return $variable; } } if($option == 'ipv6'){ if(preg_match("/\s*(([:.]{0,7}[0-9a-fA-F]{0,4}){1,8})\s*/", $variable, $matches)){ $variable = $matches[1]; return $variable; } } } if($filter == 'email'){ if($option == 'unicode' || $option == false){ if(preg_match("/\s*(\S*@\S*\.\S*)\s*/", $variable, $matches)){ $variable = $matches[1]; return $variable; } } } } }
'Sweet potato does not require processing or cooking before eating, and indeed was probably eaten raw as a source of both carbohydrates and water.'Interesting, thanks.
...analysis also found starch grains that matched those from modern sweet potatoes.
http://www.dailymail.co.uk/sciencetech/article-2875836/Tiny-fossils-embedded-dental-plaque-human-teeth-reveal-doomed-Easter-Island-civilisation-mainly-ate-sweet-potato.html (http://www.dailymail.co.uk/sciencetech/article-2875836/Tiny-fossils-embedded-dental-plaque-human-teeth-reveal-doomed-Easter-Island-civilisation-mainly-ate-sweet-potato.html)