render_block_core_post_title( array $attributes, string $content, WP_Block $block ): string

19function render_block_core_post_title( $attributes, $content, $block ) {20	if ( ! isset( $block->context['postId'] ) ) {21		return '';22	}23 24	/**25	 * The `$post` argument is intentionally omitted so that changes are reflected when previewing a post.26	 * See: https://github.com/WordPress/gutenberg/pull/37622#issuecomment-1000932816.27	 */28	$title = get_the_title();29 30	if ( ! $title ) {31		return '';32	}33 34	$tag_name = 'h2';35	if ( isset( $attributes['level'] ) ) {36		$tag_name = 0 === $attributes['level'] ? 'p' : 'h' . (int) $attributes['level'];37	}38 39	if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {40		$rel   = ! empty( $attributes['rel'] ) ? 'rel="' . esc_attr( $attributes['rel'] ) . '"' : '';41		$title = sprintf( '<a href="%1$s" target="%2$s" %3$s>%4$s</a>', esc_url( get_the_permalink( $block->context['postId'] ) ), esc_attr( $attributes['linkTarget'] ), $rel, $title );42	}43 44	$classes = array();45	if ( isset( $attributes['textAlign'] ) ) {46		$classes[] = 'has-text-align-' . $attributes['textAlign'];47	}48	if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {49		$classes[] = 'has-link-color';50	}51	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );52 53	return sprintf(54		'<%1$s %2$s>%3$s</%1$s>',55		$tag_name,56		$wrapper_attributes,57		$title58	);59}