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block_core_heading_render › WordPress Function

Since6.2.0
Deprecatedn/a
› block_core_heading_render ( $attributes, $content )
Parameters: (2)
  • (array) $attributes Attributes of the block being rendered.
    Required: Yes
  • (string) $content Content of the block being rendered.
    Required: Yes
Returns:
  • (string) The content of the block being rendered.
Defined at:
Codex:

Adds a wp-block-heading class to the heading block content.

For example, the following block content:

Hello World

Would be transformed to:

Hello World



Related Functions: block_core_list_render, block_core_gallery_render, block_core_image_render_lightbox, register_block_core_heading, render_block_core_read_more

Source 

function block_core_heading_render( $attributes, $content ) {
	if ( ! $content ) {
		return $content;
	}

	$p = new WP_HTML_Tag_Processor( $content );

	$header_tags = array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' );
	while ( $p->next_tag() ) {
		if ( in_array( $p->get_tag(), $header_tags, true ) ) {
			$p->add_class( 'wp-block-heading' );
			break;
		}
	}

	return $p->get_updated_html();
}