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EmptyStringParser{} WC 1.0

CSS selector class parser shortcut.

This shortcut ensure compatibility with previous version.

  • The parser fails to parse an empty string.
  • In the previous version, an empty string matches each tags.

This component is a port of the Python cssselect library, which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.

No Hooks.


null. Nothing.


$EmptyStringParser = new EmptyStringParser();
// use class methods


  1. parse($source)

Code of EmptyStringParser{} WC 5.3.0

class EmptyStringParser implements ParserInterface
     * {@inheritdoc}
    public function parse($source)
        // Matches an empty string
        if ($source == '') {
            return array(new SelectorNode(new ElementNode(null, '*')));

        return array();