public static function is_block_tag( \DOMNode $node ) {
		return $node instanceof \DOMElement && isset( self::$block_tags[ $node->tagName ] );
	}
public static function is_block_tag( \DOMNode $node ) {
		return $node instanceof \DOMElement && isset( self::$block_tags[ $node->tagName ] );
	}
public static function is_block_tag ( \ DOMNode $ node ) { return $ node instanceof \ DOMElement && isset ( self :: $ block_tags [ $ node -> tagName ] ) ; }
Determines if a node is a block tag.

@since 6.0.0

@param  \DOMNode $node Required.

@return bool
Determines if a node is a block tag .