event = "groups";
$page->name = "Food Groups";
$page->title = "Food Groups";
$page->body = "Food Groups
";
$page->body .= "Food group information is extracted from the USDA's National Nutrient Database, Standard Release 23. Each food group represents a class of foods with different characteristics. The database contains the following food groups:
";
$doc = new DOMDocument();
$doc->load("http://localhost:2020/books?query=".urlencode("PREFIX owl: PREFIX nndsr: PREFIX rdfs: SELECT ?s ?label WHERE { ?s a nndsr:FoodGroup . ?s rdfs:label ?label } ORDER BY ?label"));
$results = $doc->getElementsByTagName("result");
$len = $results->length;
for($i=0;$i<$len;$i++) {
$uri = ""; $label = "";
$bindings = $results->item($i)->getElementsByTagName("binding");
$blen = $bindings->length;
for($j=0;$j<$blen;$j++) {
$binding = $bindings->item($j);
if($binding->getAttribute("name")=="s") {
$uri = $binding->textContent;
}
if($binding->getAttribute("name")=="label") {
$label = $binding->textContent;
}
}
$page->body .= "- $label
";
}
$page->body .= "
";
$currentTheme->render($page);
?>