gan_node_html.php
function getAttribute($attr, $compare = 'total', $case_sensitive = false) {
		$f = $this->findAttribute($attr, $compare, $case_sensitive);
		if (is_array($f) && $f){
			if (count($f) === 1) {
				return $this->attributes[$f[0][2]];
			} else {
				$res = array();
				foreach($f as $a) {
					$res[] = $this->attributes[$a[2]];
				}
				return $res;
			}
		} else {
			return null;
		}
	}
function getAttribute($attr, $compare = 'total', $case_sensitive = false) {
		$f = $this->findAttribute($attr, $compare, $case_sensitive);
		if (is_array($f) && $f){
			if (count($f) === 1) {
				return $this->attributes[$f[0][2]];
			} else {
				$res = array();
				foreach($f as $a) {
					$res[] = $this->attributes[$a[2]];
				}
				return $res;
			}
		} else {
			return null;
		}
	}
Gets value(s) of attribute(s)
@param string|int $attr Negative int to count from end
@param string $compare Find node using "namespace", "name" or "total"
@param bool $case_sensitive Compare with case sensitivity
@return string|array