includes/Parser.php
private function isElementUpgraded(\DOMElement $el, $property) {
		if ( $this->upgraded->contains($el) ) {
			if ( in_array($property, $this->upgraded[$el]) ) {
				return true;
			}
		}

		return false;
	}
private function isElementUpgraded(\DOMElement $el, $property) {
		if ( $this->upgraded->contains($el) ) {
			if ( in_array($property, $this->upgraded[$el]) ) {
				return true;
			}
		}

		return false;
	}
private function isElementUpgraded ( \ DOMElement $ el , $ property ) { if ( $ this -> upgraded -> contains ( $ el ) ) { if ( in_array ( $ property , $ this -> upgraded [ $ el ] ) ) { return true ; } } return false ; }
Determine if the element's specified property has already been upgraded during backcompat
@param DOMElement $el
@param string $property
@return bool
Determine if the element s specified property has already been upgraded during backcompat