src/Subfission/Cas/CasManager.php
public function hasAttribute( $key ) {
		if ( $this->isMasquerading() ) {
			return array_key_exists( $key, $this->_attributes );
		}

		return phpCAS::hasAttribute( $key );
	}
public function hasAttribute( $key ) {
		if ( $this->isMasquerading() ) {
			return array_key_exists( $key, $this->_attributes );
		}

		return phpCAS::hasAttribute( $key );
	}
Check for the existence of a key in attributes.

@param $key

@return boolean