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@billerickson billerickson/functions.php Secret
Last active May 30, 2019

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<?php
/**
* List post headings
* @see https://www.billerickson.net/access-gutenberg-block-data/
*/
function be_list_post_headings() {
global $post;
$blocks = parse_blocks( $post->post_content );
$headings = array();
foreach( $blocks as $block ) {
if( 'core/heading' === $block['blockName'] )
$headings[] = wp_strip_all_tags( $block['innerHTML'] );
}
if( !empty( $headings ) ) {
echo '<ol class="table-of-contents">';
foreach( $headings as $heading )
echo '<li>' . $heading . '</li>';
echo '</ol>';
}
}
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