src/Element.php
public function matches(string $selectors):bool {
		$matches = $this->getRootDocument()->querySelectorAll($selectors);
		$i = $matches->length;
		while(--$i >= 0 && $matches->item($i) !== $this) {
			;
		}

		return ($i >= 0);
	}
public function matches(string $selectors):bool {
		$matches = $this->getRootDocument()->querySelectorAll($selectors);
		$i = $matches->length;
		while(--$i >= 0 && $matches->item($i) !== $this) {
			;
		}

		return ($i >= 0);
	}
returns true if the element would be selected by the specified selector
string; otherwise, returns false.
@param string $selectors The CSS selector(s) to check against
@return bool True if this element is selectable by provided selector