CSSPropertyHandler(false, false); $this->_autoValue = ValueLeft::fromString('auto'); } function _getAutoValue() { return $this->_autoValue->copy(); } function default_value() { return $this->_getAutoValue(); } function parse($value) { return ValueLeft::fromString($value); } function get_property_code() { return CSS_LEFT; } function get_property_name() { return 'left'; } } CSS::register_css_property(new CSSLeft); ?>